KBP208G使用中擊穿

1.KBP208G使用在30W AC的產品中出現擊穿現象,不良約為1%,
  測試浪湧電流均小於60A,8.3ms的規格 ,
2.另外出現不良的地方主要在Burn In,
如下是前端線路圖和正常工作的波行.
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