音特电子无线CPE系统的防护方案设计成功通过车载设备使用评估，具备防雷击浪涌的功能
1、 CPE Customer Premise Equipment
无线CPE就是一种接收wifi信号的无线终端接入设备，可取代无线网卡等无线客户端设备。可以接收无线路由器，无线AP，无线基站等的无线信号，是一种新型的无线终端接入设备。
同时，它也是一种将高速4G信号转换成WiFi信号的设备，不过需要外接电源，但可支持同时上网的移动终端数量也较多。CPE可大量应用于农村，城镇，医院，单位，工厂，小区等无线网络接入，能节省铺设有线网络的费用。由于CPE通常用于室外，所以要具备防雷击浪涌的功能。
2、CPE System的防护方案
3、方案中专用保护器件
4、车载设备使用评估实验报告
测试步骤：
1.测试仪器调试及校验完毕后，将C12版本的CPE与发生器连接，并供电，CPE工作正常，然后进行浪涌测试，参数为US 40V,tD 50ms,Ri 50ms,测量次数5次，并使用示波器查看电源端的波形，如下：
测试浪涌时，CPE会重启，样品无损坏。
2.将SMBJ15CA更换为SMBJ18CA,做同样等级的测试，波形如下所示：
3.将TVS更换为1.0SMB24CA,做同样等级的测试，波形如下所示：
测试浪涌时，CPE会重启，样品无损坏。
由于1.0SMB24CA抗浪涌能力较强，故做更高等级的测试，等级和波形如下：
4.试C11 CPE,参数为US 40V,tD 50ms,Ri 50ms,测量次数5次，不同TVS对于的波形如下所示：
结论：CPE系统的防护方案设计方案有效。
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本文由ll转载自Yint音特电子公众号，原文标题为:CPE系统的防护方案设计，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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音特电子（Yint Electronics）压敏电阻（MOV）选型指南
描述- The body of the varistor is a matrix structure composed of oxide particles. The grain boundary between the particles is similar to the electrical features of the bidirectional PN junction. When the voltage is low, these grain boundaries are in a high impedance state, when the voltage is high, they turn into the breakdown state. MOV is a nonlinear device.
型号- 14D181K,32D142K,10D,MVR0805-2R0,25D301K,5D391K,5D270K,10D951K,20D621K,34S122K,14D821K,20D470K,34S,20D361K,14D102K,7D271K,32D511K,MVR1206-3R3,25D271K,25D162K,32D361K,MVR0805-220,14D180L,5D271K,20D511K,34S951K,10D220K,10D221K,10D112K,10D680K,14D820K,14D101K,14D331K,14D561K,25D751K,MVR1206-420,32D621K,7D270K,7D391K,MVR1206-300,25D391K,MVR0805-3R3,32D241K,32D471K,34S241K,34S471K,34S621K,10D241K,10D471K,20D121K,14D431K,14D201K,MVR1206-650,5D201K,25D,14D182K,7D151K,5D431K,10D121K,25D911K,7D301K,20D471K,5D390K,20D241K,14D781K,32D122K,25D361K,14D,34S821K,25D511K,34S102K,10D511K,34S182K,20D151K,32D951K,MVR1206-9R0,7D821K,MVR1206-470,25D142K,7D181K,20D911K,MVR0805-300,34S781K,7D101K,10D621K,20D301K,32D SERIES,7D820K,20D271K,10D361K,10D470K,7D331K,7D561K,MVR1206-220,32D221K,14D121K,5D301K,32D681K,34S681K,5D151K,34S221K,10D751K,34S SERIES,7D201K,7D431K,14D221K,14D112K,14D560K,14D681K,32D331K,MVR1206-2R0,MVR1206-450,7D390K,14D330K,25D471K,25D241K,14D SERIES,20D751K,32D561K,25D621K,34S561K,34S331K,14D951K,32D821K,20D152K,MVR1206-680,32D102K,7D781K,14D680K,MVR1206-560,MVR0805-5R5,14D220K,32D182K,5D SERIES,10D911K,MVR1206-270,20D431K,10D271K,20D201K,5D121K,10D301K,34S162K,34S271K,20D781K,20D SERIES,25D681K,34S911K,MVR1206-260,25D122K,7D121K,32D781K,34S301K,10D151K,MVR0805-180,20D182K,32D201K,32D431K,MVR1206-140,14D751K,5D511K,25D561K,25D331K,34S201K,34S431K,5D470K,MVR0805-270,5D361K,20D391K,14D621K,20D270K,10D390K,7D221K,7D330K,7D560K,14D471K,7D681K,14D241K,7D180L,32D391K,25D221K,10D270K,MVR0805-160,5D471K,5D241K,5D621K,20D390K,34S391K,14D511K,10D391K,25D951K,MVR1206-240,7D220K,7D680K,MVR1206-360,14D470K,14D361K,32D271K,14D270K,14D391K,32D162K,10D182K,20D112K,34S142K,5D820K,5D561K,5D101K,5D331K,MVR1206-5R5,20D220K,20D680K,5D181K,7D SERIES,32D301K,25D182K,32D911K,14D390K,25D102K,MVR1206-180,20D951K,MVR0805-140,MVR0805-260,34S361K,34S511K,10D431K,10D201K,10D781K,20D122K,7D751K,25D SERIES,20D821K,5D680K,32D,20D,10D180K,10D820K,20D102K,5D220K,10D331K,10D330K,10D560K,10D681K,7D621K,10D101K,20D181K,25D821K,32D751K,20D331K,20D561K,7D241K,7D471K,5D681K,14D271K,20D820K,25D431K,MVR1206-160,25D201K,MVR0805-240,MVR0805-360,10D181K,20D101K,10D821K,5D560K,5D330K,5D221K,34S751K,MVR1206-600,10D561K,7D511K,10D102K,10D SERIES,5D180L,14D911K,20D560K,20D221K,20D681K,20D330K,7D470K,7D361K,14D301K,20D180L,25D781K,14D151K,MVR0805-9R0
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整体外形尺寸小至0.6*0.3*0.3mm (DFN0603)，工作电压范围覆盖2.5V~36V，电容值低至0.2pF，浪涌能力最高可达240安培，静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。
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测试等级：空气放电30KV±5%；接触放电30KV±5%，适用标准：GB/T 17626.2、IEC61000-4-2、ISO10605、GB/T 19951；给用户产品出电路保护设计方案建议及整改。点击预约，支持到场/视频直播测试，资深专家全程指导。
实验室地址： 深圳/上海 提交需求>
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