Thermal impedance FAST DIODE MODULE
FINAL SPECIFICATION apr 17 - ISSUE : 1
SWITCHING CHARACTERISTICS
FORWARD RECOVERY VOLTAGE
160
140
120
100
80
Tj =125 °C
IF
VFR
60
40
VF
20
0
0
200
400
600
800
1000
1200
di/dt [A/µs]
REVERSE RECOVERY CHARGE
REVERSE RECOVERY CURRENT
Tj = 125 °C
Tj = 125 °C
400
400
350
300
250
200
150
100
50
200 A
350
300
250
200
150
100
50
200 A
0
0
0
100
200
300
400
0
100
200
300
400
di/dt [A/µs]
di/dt [A/µs]
IF
d i/d t
ta = Irr / (di/dt)
tb = trr - ta
Softness (s factor) s = tb / ta
Energy dissipation during recovery Er = Vr · (Qrr - Irr ·ta / 2
)
Irr
Vr
POSEICO [ POWER SEMICONDUCTORS ]
