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Solution
? 方案滿足IEC61000-4-5、GBT17626.5等浪(lang)涌測試標(biao)準(zhun); ? 在差模防護(hu)中,采(cai)用(yong)(yong)鉗位器件壓(ya)敏電(dian)(dian)阻(zu)MOV,響應(ying)速(su)度快,降低(di)L與N線之間的(de)浪(lang)涌電(dian)(dian)壓(ya); ? 在共模防護(hu)中,采(cai)用(yong)(yong)壓(ya)敏電(dian)(dian)阻(zu)MOV和陶(tao)瓷氣(qi)體(ti)放電(dian)(dian)管GDT串聯到(dao)PCB地或者設備外殼(ke),阻(zu)止壓(ya)敏電(dian)(dian)阻(zu)MOV的(de)漏(lou)電(dian)(dian)流,滿足安規要求; ? 電(dian)(dian)源(yuan)方案可通(tong)過(guo)1.2/50-8/20μS組合波差模、共模6.0KV浪(lang)涌測試; PS:在有絕(jue)緣等級耐壓(ya)測試AC1500V要求時,陶(tao)瓷氣(qi)體(ti)放電(dian)(dian)管GDT建議(yi)選(xuan)用(yong)(yong)DC3500V電(dian)(dian)壓(ya);
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