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Solution
? 方案滿足IEC61000-4-5、GBT17626.5等浪涌(yong)測(ce)試(shi)標準; ? 在差(cha)(cha)模(mo)(mo)防護(hu)中(zhong),采用(yong)鉗位(wei)器件壓敏電(dian)(dian)阻(zu)(zu)MOV,響(xiang)應速度快,降低L與N線之間的(de)浪涌(yong)電(dian)(dian)壓; ? 在共模(mo)(mo)防護(hu)中(zhong),采用(yong)壓敏電(dian)(dian)阻(zu)(zu)MOV和陶(tao)瓷氣(qi)體放(fang)電(dian)(dian)管GDT串聯到PCB地或者設備外殼,阻(zu)(zu)止壓敏電(dian)(dian)阻(zu)(zu)MOV的(de)漏電(dian)(dian)流,滿足安規要求(qiu); ? 電(dian)(dian)源方案可(ke)通過1.2/50-8/20μS組合波差(cha)(cha)模(mo)(mo)、共模(mo)(mo)6.0KV浪涌(yong)測(ce)試(shi); PS:在有絕緣等級耐壓測(ce)試(shi)AC1500V要求(qiu)時,陶(tao)瓷氣(qi)體放(fang)電(dian)(dian)管GDT建(jian)議選用(yong)DC3500V電(dian)(dian)壓;
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