试题详情

如某晶闸管的正向阻断重复峰值电压为745V ,反向重复峰值电压为825V ,则该晶闸管的额定电压应为( )

A700V

B750V

C800V

D850V

E0o-90°

F0o-120°

G0o-150°

H0o-180°