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在整流电路中怎样选择整流二极管?

问答题
2022-02-27 17:15
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正确答案

选用整流二极管时,要根据整流电路的特点,首先计算出流过二极管的平均电流Ip和二极管截止时实际承受的最高反向电压Um。然后依以下两个原则选取:(1)二极管最大整流电流大于Ip;(2)二极管最高反向电压大于Um,一般取1.5~2倍的Um。最后查手册,选择整流二极管的型号。


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