A.穩(wěn)壓二極管 B.整流二極管 C.發(fā)光二極管 D.光電二極管
A.擊穿 B.電流為零 C.電流過大而損壞 D.正向電壓偏低而截止
A.VD-ID B.VD-rd C.ID-rd D.f-ID