FAQ｜Littelfuse 直播：如何提高物联网时代智能楼宇电子设备的安全与可靠性

EEWORLD社区 发表于 2019-8-30 11:47

直播详情：<a href="https://www.eeworld.com.cn/huodong/Littelfuse_webinar_20190815/?sid=102" target="_blank">如何提高物联网时代智能楼宇电子设备的安全与可靠性</a>

 

直播主题：如何提高物联网时代智能楼宇电子设备的安全与可靠性

 

直播讲师：李晓辉

 

直播FAQ摘录：

<table height="9280" style="border-collapse:collapse; width:1533.78pt; border:none" width="2045">
<colgroup>
<col style="width:1533.75pt" width="2045" />
</colgroup>
<tbody>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; width:1533.75pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" width="2045" x:str="">1、智能楼宇电子设备安全性的主要挑战？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：雷击感应浪涌，交流搭接，以及静电，干扰</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">2、智能楼宇电子设备安全性隐患主要来自哪些方面？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：您好，来自过压，雷击和静电的威胁，过流来自短路，过载。 Littelfuse提供全方位的保护方案，保证我们的电子设备安全，可靠的工作。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">3、智能楼宇电子设备可靠性指标主要有哪些?</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：期间可靠性和系统可靠性能，最低采用行业的规范满足，IEC61000系列是参考的</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">4、智能楼宇的传输方式</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：485,CAN,Ethernet,NBIoT 等</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">5、智能楼宇电子设备如何处理多机通信冲突问题？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：采用总线传输就会解决</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">6、Littelfuse公司有MOV吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有，我们还有特色的MOV，如高浪涌，高温125C，太温度保险的MOV。 MOV模块等。带温度保险的MOV。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">7、针对智能楼宇电子设备 Littelfuse提供那些方面的产品了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：过流，过压保护，温度及磁传感器件，以及一些功率器件</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">8、自恢复保险丝，高温下长期使用，会不会直流电阻慢慢变大？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：会，长时间会失效</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">9、在防雷击方面Littelfuse能抗击多少伏的雷击了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：MOV能做到60KA 以上了。 TVS 能做到15~20KA。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">10、Littelfuse的保护器件跟同行业厂家比有什么优点了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：产品线全面，销售和技术服务到位，交期好，性价比高。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">11、怎么来定位物联网时代智能楼宇？或者说什么样的模式才叫物联网时代智能楼宇？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：个人认为智能主要表现在，绿色能源，人机交互界面简单友好，通讯系统稳定快捷等</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">12、对USB供电线怎样保护？防止线材烧坏？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：用PPTC可以USB电源线的保护，对于Type C数据线，也可以用SetP产品保护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">13、Littelfuse 在楼宇方案中都有哪些传感器应用</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：主要是位置，包含位置和液位等感应。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">14、Littelfuse的自恢复保险丝选型上注意那些？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：要注意电源的电压，工作电流以及工作最高温度，保护时间等</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">15、Littelfuse带温度保险的MOV跟普通MOV 有什么差别？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：TMOV老化失效是脱扣；而普通的MOV老化失效是短路失效</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">16、Littelfuse主要是保护型器件，同行业优势在哪里</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：力特在过流保护，过压保护方面的产品系列是同行最齐全的，在力特你可以找到你想要的保护的全套方案，另外还有过温保护，传感，功率控制器件等其他元器件。具体可以和我们销售团队具体咨询。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">17、电路都有哪些保护方式</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：过压surge保护，ESD保护，过流保护，过温保护等</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">18、有没有两线制的通讯方式？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：如果两线制是指差分信号传输，那么很多；can,485啊都是</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">19、对于楼宇电子设备是否有防过压器件并可以保护和恢复的功能？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：目前的过压防护都是失效，没有恢复的功能。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">20、电路板输入电压是DC24V，如果为了防止+24和GND反接，能推荐个方案，或者元件吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：防反接通常在线路中串个二极管就能解决</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">21、自恢复保险丝最大的电流目前有多大的啊？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：自恢复保险丝电流越大所能承受电压就越小，因此两者是紧密相关，目前最大能做到几十安培。最大可以达到15A </td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">22、智能楼宇供电输入，Littelfuse有哪些浪涌元器件型号</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：类别来区分：陶瓷类保护器件---GDT,MOV;半导体类保护器件---TVS,TSS</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">23、浪涌电流有不同的来源，怎么样合理的选择保护器件了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：最主要就是从源头和端口来解决</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">24、物联网前景如何？跟5G有什么关系</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：V2X是未来的趋势</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">25、有替代玻璃管的自恢复保险丝吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们有250V和600V的PTC</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">26、除了提供保护器件外，Littelfuse还提供那些种类的传感器了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：负温度传感器，磁传感器（干簧管)</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">27、Littelfuse有没有这个方面的商用案例？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们的网站上面有完整的应用方案，都是关于端口保护的www.littelfuse.com</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">28、对于5V的稳压电路，应该使用多少伏的TVS管来保护，比较合理？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：5V~6V即可 5V工作电路，TVS选型电压要高于5V即可，另外钳位电压要小于所需要保护的后级器件</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">29、Littelfuse的功率保护器件有那些，能提供下型号么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有源钳位主要是TVS</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">30、Littelfuse有智能楼宇解决方案下载吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：力特的保护方案可以上网站下载</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">31、智能网关，littelfuse有解决方案吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：SP2522,SP3374</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">32、littelfuse有ESD防护方面的被动器件吗？以及隔离器件吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：力特的防静电被动器件很广泛，具体参看https://www.littelfuse.com/products/tvs-diode-arrays.aspx</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">33、过压保护用TVS器件的选择有哪些要求</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：工作电压Vr ，启动电压，钳位电压</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">34、智能楼宇电子设备过压保护设计的缺陷是什么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：没有保护就是缺陷</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">35、如果在防雷防护中，如果要实现三级防护，应该怎么来实现？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：通常在前端是使用MOV 或气体放电管来吸收或泄放大的浪涌，后端用TVS等来压低嵌位电压。 
方案有很多种，我们有一级大电流的TVS低钳位方案，有MOV+SIDACtor/GDT的组合低钳位方案，也有两级或三级钳位方案，如果多级防护，需要在MOV与MOV或TVS之间添加空心电感做退藕，具体要看客户的防护要求来定，力特有很多成熟方案。 
MOV/GDT---------TVS/Sidactor---------SPA/TVS</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">36、如果直接在+24线路上串一个二极管防反接的话，反向击穿电压选多大比较保险？另外，我看到有人在正电压和GND直接并接一个SMBJ28ACA，这样做的目的是什么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：1：做防反，一定是放在浪涌保护模块后面，根据浪涌保护模块的残压考虑快回二极管的耐压 2：TVS做浪涌防护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">37、对于无线发射的天线部分电路有什么专门的保护电路方案吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有带emi滤波的TVS Array做静电保护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">38、请问在静电防护方面，贵司的产品性能如何，是否有参数提供？并且成本呢？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：力特的防静电被动器件很广泛，具体参看https://www.littelfuse.com/products/tvs-diode-arrays.aspx</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">39、在通讯接口中，使用光耦隔离能有效的进行保护吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：光耦是实现隔离，过压还要TVS</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">40、智能楼宇设备一般是选用多大电流的保险丝？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：选择fuse要根据负载的要求及浪涌能量的大小选型</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">41、Littelfuse 有600W瞬态抑制二极管吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有， SMBJ 或 P6SMBJ系列都可以</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">42、第一级残留电压后的器件如何选择，有没有推荐的器件表</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：需要告诉我们具体的一级钳位电压，和你的钳位波形，脉宽，和你需要的二级钳位电压要求来选择合适功率的TVS</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">43、最近发现现场产品外壳上有220V的静电，这个是什么原因导致？怎么来解决？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可能你的外壳地接地端导电性有问题。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">44、如何从设计避免雷击对电子设备的影响</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：电路的防雷设计以及EOS事件防护，考虑差模和共模保护，具体保护等级要看客户的防护等级需要来选择合适功率的器件。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">45、在电路中用到了保护元件，怎么来验证它的可靠性了，如防雷，防浪涌</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们的器件都会有可靠性测试数据，根据产品的浪涌防护等级选择合适的保护器件及方案</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">46、如何购买</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：ydu@littelfuse.com，我们的网站上有代理列表，</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">47、电路保护器件例如TVS，对低功耗有何影响</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：减少器件的漏电流</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">48、力特的熔断器都是国外生产吗？交货期多久？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：力特的管状保险丝是在苏州生产的</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">49、PTC器件在经过回流焊后有一定的损坏率，力特PTC会有同样问题吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们有专门的回流焊器件，并且我们有焊接曲线可以参考</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">50、针对保护电路中的器件的可靠性测试主要指哪些？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们的规格书里面有标准MIL系列</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">51、过电压或雷击浪涌都有哪些保护措施</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：MOV, GDT, TVS等</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">52、怎么样合理的泄放雷击中的电流？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：这里讲的雷击浪涌通常指的是雷击感应浪涌，这需要看室外室内环境而定浪涌等级，通常室外电源线需要考虑从6kV~20kV 1.2/50uS不等雷击浪涌，可以选择MOV一类的器件，室外通信线要考虑1.5kV~6kV 1.2/50uS 浪涌和6kV 10/700 浪涌，可选择SIDACtor或TVS类器件，具体还是需要联系我们的销售和FAE，把保护需求告诉我们，我们再推荐详细保护方案。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">53、littlefuse 关于锂电池保护的芯片有吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们主要提供保护器件，比如fuse，TVS，PTC等，不提供芯片</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">54、系统钳位抑制及电磁兼容方面怎样解决</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：防护器件的钳位电压需要低于系统最大允许瞬态电压，防护器件的耐压需要高于系统工作电压。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">55、智能楼宇供电系统应用在防雷电路Littelfuse有哪些推荐型号</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：根据具体的端口而定</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">56、防雷击的保护器件一般有那些，根据那些参数来选择保护器件了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：MOV, GDT, TVS等，主要看工作电压，钳位电压以及浪涌电流</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">57、电源除了过流和过压，还需要考虑哪些防护？可以通过提升元件性能来做到吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：电源失效模式通常是过压或过流，但是起因有很多种，Littefuse提供全方位的过压过流保护器件，同时在设计上也可以添加电压电流检测回路来起到保护作用，软硬件结合。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">58、目前贵司的TVS能做到多大电流的防护等级</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：15kA 8/20uS, 如果需要更大，可以并联使用扩展</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">59、Littelfuse带温度保险的MOV 有几中封装形式，有SMT贴片的么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：仅插件的</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">60、1808封装的贴片保险丝能做到多少A多少V？我的需求是100V15A,LF没有找到这个型号。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：2410封装有；451015</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">61、TVS器件在选择的时候有哪些考量？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：Vr，Vbr，功率，封装等</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">62、TMOV 是可恢复的保险吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：不能恢复</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">63、提供的保护器件其质量等级？能应用到军用上么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：后缀带HR</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">64、有防护12KV产品么</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：ESD可以到30KV</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">65、选型手册在哪边可以下载到啊</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：力特官网可以下载</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">66、12V电源供电带电机的产品，TVS应该选多大的？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：考虑到电压误差范围，可以考虑1反向截止电压15V</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">67、智能楼宇电子设备一般485 CAN 都存有，针对这两种通迅方式，是不是采用一样的保护器件了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：是的，可以考虑同一种保护方案</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">68、能否提供产品（保护器件）的样本吗？我选型时参考。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：网站可以直接下载</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">69、可以达到多大KA的放电保护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：常用的20mm MOV可达5KA I_norminal.</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">70、防浪涌选用是选单向TVS合适还是双向TVS合适呢？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：根据端口的电平特性，电源一般采用单向的，模拟一般采用双向</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">71、LinkedIn USB3.0接口控制电路有哪些保护电子元器件推荐</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：SP3012-06  电源spa 003</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">72、楼宇自动化对各种通信方式，防护是否不同？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：是的，不同通讯端口有不同的防护等级及指标</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">73、怎么联系Littelfuse的代理商了，可以索取样品么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可以在官网上找寻对应的区域，我们有专门人员对接并提供代理信息</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">74、Littelfuse 最近是否推出有新PPTC过流保护器件型号</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：esep</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">75、NTC温度传感器精度能达多少？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：+-0.05C</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">76、RB系列和SM系列DO-35系列在使用中不会兼容通用的？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：不兼容，参考技术规格</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">77、为什么现在的智能楼宇都是小区新入住前几年好用，后面就慢慢不用了</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：器件失效，可靠性问题</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">78、PT热敏电阻系列有表贴的么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">79、LITTELFUSE温度传感器的精度受什么因素影响？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：本身的材料决定了精度高低</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">80、在楼宇电子设备也有以太网，这种通迅方式怎么样选择保护器件了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们有专门针对以太网的保护技术文档，里面有详细的保护方案，需要的话留下邮箱，我们可以发给你们参考。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">81、楼宇电子设备最大的风险是什么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：雷击着火，安全问题</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">82、楼宇电子产品中的浪涌防护设计和一般开关电源设计中的，是否是一样的，有什么区别？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：防护等级会有差异</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">83、在我们现场产品中RS485接线口经常被击坏,冬天也会有，应该不是雷击。但是485芯片还是好的。可能是什么原因</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：端口损坏，除了雷击，也可能是ESD ，SM712</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">84、可以采用多模块并联使用的方案吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：多不建议</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">85、磁传应器（干簧管）是不是还要配合磁铁使用，两者的安装位置跟距离会影响感应的效果么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：是的 AI和距离有关系</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">86、智能门锁防护是不是更高，需要更可靠的运行</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：ESD的防护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">87、防止大电流冲击的器件，除了NTC还有什么可推荐的？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：NTC是做开机脉冲抑制，也可以考虑软起动</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">88、2410的贴片保险丝有相应的贴片座子吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有， 154 系列</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">89、12VDC 3A电源系统中自恢复保险丝选择那些？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可以参靠2920L系列PTC， 3.3A或4A的</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">90、楼宇电子设备目前组网的话，通常使用什么通信接口比较合适，485/422、CAN还是以太网？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：都有看到。主要是系统模块控制信号一般是485,422,can，通讯信号一般以太网</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">91、防雷击跟防ESD 是不是采用相同的保护器件了，在参数选择上要区别考虑么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：不是</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">92、过流、过压保护需要不同的器件吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：是</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">93、过压保护有哪些要求？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：保护器件工作电压大于系统工作电压，保护器件钳位电压低于系统允许最大瞬态耐压。瞬态波形的功率低于选择的钳位器件的最大功率。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">94、电源前段选用TVS是选用单向的还是双向的更好，为什么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：主要是功率，不是单双的问题</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">95、VBR大概60V左右</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：SR60</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">96、5V的稳压电路，后面的电路不能承受超过5.3V 有相对应的TVS管选型吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：没有</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">97、楼宇电子设备电路简单化好吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：一个器件解决所有问题</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">98、保护器件如果承受了超过了本身的电流和电压是不是都会永外失效？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：超过了器件本身的最大功率，可能会失效的永久损坏</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">99、Littelfuse 推出LVB系列自恢复型PPTC 型号，是否可以应用在智能楼宇电子设备保护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：LVR还真的可以</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">100、对于高速的USB保护电路选择TVS管，还有滤波EMI器件，主要要考虑的参数是什么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：结电容要低；干扰脉冲的频率</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">101、TVS器件的防雷参数（表贴）</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：表贴产品主要是用来防浪涌，雷击需要插件</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">102、Littelfuse热熔断路器和FUSE有哪些典型区别</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：过流保护和过热保护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">103、图中，TMOV和CQ2串联，击穿电压怎么算？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：击穿电压主要是gdt的脉冲击穿电压</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">104、功率多大？电容值多少？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：详见相应规格书</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">105、器件失效的原因有哪些？在设计的时候怎样考虑到？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：击穿  器件失效通常为过应力失效，设计尽量把相应浪涌考虑进去</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">106、电子设备的保护器件都有哪些？电源，通讯</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：fuse, ptc, tvs, mov, gdt等</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">107、气体放电管和压敏电阻相关参数如何选择，以便达到最快的保护速度</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：叠加的启动电压和钳位电压</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">108、在一个电子产品初始设计中，是不是根据产品的使用环境来考虑保护器件了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：是的，室外，室内或者高电磁干扰环境，保护器件的考虑都不一样，</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">109、哪里可以获取datasheet</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：官网https://www.littelfuse.com/products.aspx</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">110、5V 到6V之间的最低电压的TVS是多少呢？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：5.5</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">111、交流熔断器可以用在直流电路吗？交直流熔断器有啥区别？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：不行.</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">112、Littelfuse浪涌保护设备SPD2系列是应用在电箱和漏电开关并列吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有的串联有的并联</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">113、加一个PTC就可以保护了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：具体看需要什么保护，PPTC可以用于过流和过温保护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">114、在通讯接口上添加了防护器件后，对通讯速率是否有影响？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们有高速保护器件低容值，可以免除影响</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">115、压敏电阻反应时间比TVS慢，在什么设计中适合用压敏电阻，什么设计中适合用TVS?</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：交流端口的输入端用压敏电阻</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">116、自恢复保险丝什么情况下失效？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：超过最大电压(V_max)或最大电流(I_max)时</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">117、目前USB3.0已经比较普及了，Littelfuse有针对它的保护方案没有了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：PTC应用很多,spa 还有USB3.1</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">118、室外的防雷有哪些方案吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有，SPD模组</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">119、针对这些浪涌保护过压保护等等，怎样才能把设计做到最简单？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们一个器件解决所有问题</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">120、有电磁感应速度传感器芯片么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：ReedSWITC</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">121、外部防雷设计设计案例能否分享？如耐冲击电压6kV, 8/50us, 冲击电流为20kA</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：很容易SPD系列</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">122、在过流保护器件中，怎么样合理的选择泄放通道了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：过流器件和负载共用回路，无法选择泄放通道，过压器件通常并联在被保护电路端口，泄放通道通常靠近端口位置。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">123、RS-485在保护上是否需要接地？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：需要</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">124、静电雷击有没有详细的方案</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们有针对于静电与雷击的对应方案，具体可以联系我们技术人员</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">125、通讯端口失效的防范措施目前有哪些？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：ESD或PTC进行过压过流防护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">126、请问SPD2哪一款浪涌保护器适合应用在智能楼宇电源</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：具体应用请联系我们技术人员，可以从官网寻找对应区域联系人</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">127、LITTELFUSE温度传感器可应用于哪些产品上？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：各类产品皆可应用如汽车, 家电, 工业产品等.</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">128、LITTELFUSE温度传感器跟竞品比，有哪些优势？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：高精度与定制服务</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">129、USB3.0的防护器件有推荐的吗？还有共模电感</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有ESD与PTC进行电压电流保护，我们不提供电感产品</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">130、需求TVS阵列器件</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：请参考官网 https://www.littelfuse.cn/products/tvs-diode-arrays.aspx</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">131、一个器件就可以做好各种保护，什么原因导致这种底气？不会有异常出现吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：事在人为，设计初期就要尽量考虑到可能的异常工况，从而添加对应防护措施</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">132、485室外使用，增加光耦来隔离，在加TVS进行防护，接口还是会被击坏，怎么来解决？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可能是电路设计不太合理，两级保护就可以</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">133、对于差分的信号线如485 音频信号怎么来选择保护器件了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：采用我们的双向TVS</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">134、usb或IO引脚的浪涌如何防护？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：SP0402B-ULC-01</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">135、静电防雷的有没有型号和防护参数</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：SPA样本</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">136、Littelfuse的高速保护器件有那些，它的主要参数是什么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：浪涌电流能力以及电容,我们的最小电容0.01</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">137、Littelfuse 推出POWR-BLOK模块式配电器能否应用在智能楼宇供电设备</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可以</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">138、室外POE供电设备如何防雷？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：须在48V加上TVS二极管，SMBJ58CA</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">139、以太网对100M和千兆网的防护器件，封装比较小的是什么型号？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：SP2554 sp1004，我们有专门的以太网参考设计，可以下载</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">140、保护器件有提供电路仿真的模型吗？对应什么软件？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有器件PSpice model</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">141、Littelfuse的保护产品里还有保护模组SPD么，它可以根据客户的需求来定制么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可以</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">142、有个直流供电的设备100V15A，2410的贴片保险丝应该怎么选型</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：881 0456</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">143、怎么防止设备接地线传进来干扰信号？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：共模电感，LC滤波，零欧姆电阻的使用有一定的阻隔作用，模拟地与数字地的节点布局优化</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">144、对于外置天线的BLE和WIFI的RF部分，有可供选择的成套解决方案吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：静电保护器需按照RF频段选择适合的电容值</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">145、有没有用例说明文件等？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：有的，可以上力特官网下载</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">146、PolyZen器件主要应用在哪些电路保护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可以用于低压5V或者12V电源侧进行过压过流，ESD，反接保护等</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">147、EFT快速脉冲防护，电路板不想改型，在接口处保护，有没有模块化产品开选型的？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：5kp</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">148、有什么器件可以抑制共模电压？变频器经常引起控制器件失灵</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：共模浪涌可选用MOV或GDT来防护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">149、现在的LED电源设计中是否都用模块或者集成化来取代？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：EMI 滤波器</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">150、如何安全吸收反复性ESD震击？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：TVS Array</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">151、可以提供对称数据线双向保护吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可以，TVS array, 有很多封装可以选择</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">152、在选择好保护器件后，摆放位田置不同，会影响保护效果么？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：电路上的位置会影响效果</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">153、目前瞬态抑制二极管覆盖的击穿电压范围是多大？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：3.3－－－－1000</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">154、Littelfuse的保护器件一般通过了那些方面的认证了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：ul IEC</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">155、雷击时的电磁干扰会影响没直接接线的设备吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：若没有电源线或信号线连接, 影响不大</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">156、如何最大限度地减少数据丢失？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：数据线上的保护器的电容值会影响，还有就是保护器件的漏电，选择漏电越小器件数据失真越小</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">157、TVS如何判断好坏？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：外观和短路</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">158、TVS根据什么条件进行选型？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：工作电压，保护电压以及浪涌电流</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">159、5V电源反相保护，推荐什么芯片?</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：SMF SP1003 SP4020，其实只要加颗肖特基二极管</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">160、针对电气威胁如何提供更加可靠的保护？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：需要考虑隔离，浪涌，静电，开关瞬态冲击等等</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">161、支持POE供电的设备同时用外部电源和POE供电时还能正常工作吗？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：PD设备设计时通常会考虑兼容PSE供电和外部供电，通常不影响</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">162、TVS和瞬态抑制二极管有什么差别</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：一样</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">163、有缺相保护的器件吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：我们GFCI</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">164、交流电源过压如何保护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：MOV， GDT可以提供保护</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">165、在车规产品上有小封装的产品吗？如5A防护要求。</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：440A，SLD8S产品系列可以满足5A load dump要求</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">166、TVS和气体放电管有什么区别？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：钳位和开关</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">167、抑制共模干扰常的保护器件有那些了？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：共模滤波器</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">168、网孔式样的电源外壳在以后会不会全面被尺寸小的集成化设计取代？比如外形会像个大芯片</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可以展望，未来可以，电源就是一个芯片，chip POWER</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">169、在汽车电子车联网方面有什么典型应用？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：汽车过ISO7637, 16750, 10605，力特都有保护产品对应，具体欢迎咨询我们的代理，销售或FAE</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">170、浪涌保护模块都是氧化锌的吗？有新型元件吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：MOV是氧化锌, 也有TVS二极管可以选用</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">171、如何防止下游电路的过流/短路故障在爆炸性环境中点燃火花？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可选用防爆型保险丝</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">172、可以试用吗</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：可以联系我们代理申请样品</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">173、我想问下方案比起TI同等产品有哪些优势？另外过了哪些认证？功耗如何？支持哪些协议？是否向下兼容？</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：Littelfuse提供最全面的保护器件产品，具体参数认证等可以官网查看</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">174、这种电源可否串并联使用</td>
</tr>
<tr height="26" style="height:20.00pt">
<td class="et2" height="26" style="border:none; background:#ffffff; height:20.00pt; text-align:left; vertical-align:middle; padding-top:1px; padding-left:1px; padding-right:1px; white-space:nowrap" x:str="">A：fuse可以并联使用，MOV可以串联，具体应用可以联系我们技术人员</td>
</tr>
</tbody>
</table>

richardwuday 发表于 2020-6-28 11:52

我们有NBIOT透传专用模块，不需要AT指令配置网络，不需要额外MCU，不增加成本，唤醒后直接透传，使用起来非常简单好用。支持ONENET和CTWING(LWM2M)，或者第3方平台TCP/UDP SOCKET直连。67412329@qq.com,13632950647

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FAQ｜Littelfuse 直播：如何提高物联网时代智能楼宇电子设备的安全与可靠性