#业余无线电 逻辑电平 MOSFET 导通 5 V, 2 A 电流,压降居然 2 V,我可能买到了假 MOSFET :doge:

#业余无线电 又买了一个逻辑电平的 PMOS,Rds(on) 比 datasheet 大两倍。华强北的假 MOSFET 可真多啊。

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@niconiconi 是不是外围电路有问题,是不是G极电压低了?

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