Page 26 - Power Electronics Handbook

Power rectifier operation 19

-

Anode v2
I
VI Voltage
f Reverse Forward
(a) (condensed

* F'
switch-on
t DC forward
Load conduction drop
current 1
b JL
Time t Time

L -
I I

Forward current - trr I
CI
lime

-

Peak reverse- I
t,
current I

"t
Forward voltage - I
*
lime

DC blocking-
voltage

Figure 1.8 Diode characteristics: (a) diode symbol; (b) static characteristic; (c) turn-on
characteristic - current curve; (d) turn-oa characteristic - voltage curve; (e) turn-off
characteristic - current curve; (f) turn-off characteristic - voltage curve