ARF322 Datasheet, PDF (3/4 Pages) Power Semiconductors – FAST RECOVERY DIODE

ARF322 FAST RECOVERY DIODE
FINAL SPECIFICATION ott 97 - ISSUE : 04
SWITCHING CHARACTERISTICS
FORWARD RECOVERY VOLTAGE
10.00
9.00
8.00
7.00
6.00
Tj = 125 °C
5.00
4.00
VFR
3.00
2.00
1.00
0.00
0
50 100 150 200 250 300 350
di/dt [A/µs]
ANSALDO
IF
VF
REVERSE RECOVERY CHARGE
Tj = 125 °C
180
1000 A
160
500 A
140
120
250 A
100
80
60
40
20
0
0
100
200
300
400
di/dt [A/µs]
REVERSE RECOVERY CURRENT
Tj = 125 °C
250
1000 A
500 A
250 A
200
150
100
50
0
0
100
200
300
400
di/dt [A/µs]
ta = Irr / (di/dt) tb = trr - ta
IF
Softness (s factor) s = tb / ta
Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2 )
d i/d t
ta tb
Irr
Vr