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Re: 如何量測triac好壞
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資深會員
 
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感謝大大的回覆,受益良多,謝謝!
發表於: 2009/7/7 11:56
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Re: 如何量測triac好壞
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高級會員
 
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triac可用三用表作簡易的測試，先找出t1及t2兩支腳，用三用表的二極體檔位量良品正反都應該都是斷路的，另外找一個觸發電壓如乾電池類的，對g極觸發一下，此時t1及t2兩支腳應該要導通，在側試棒離開前應一直保持導通，正反向皆相同，試棒離開後又恢復斷路，此處用二極體檔位是因為電阻檔位的電流太小，會因未達保持電流而在無觸發信號時自動斷路無法保持導通
發表於: 2009/7/3 8:04
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如何量測triac好壞
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資深會員
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請教各高手,有方式可以判斷triac是否故障嗎?
還是如何與良品比較?
發表於: 2009/7/2 18:03
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