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#电源开关选型#

我想请教一个问题:由于输入存在比较大的电容,在电源插头处经常会出现电火花,我想用一个电源开关来解决这个问题,不过我不知道选择哪种电源开关(MOS管外置即可),希望你们能给我推荐一个型号。感谢!!!