DSF20545SF
CURVES
4000
Measured under pulse conditions
3500
3000
2500
Tj = 150˚C
2000
1500
Tj = 25˚C
1000
500
Measured under pulse conditions
400
300
Tj = 150˚C
200
Tj = 25˚C
5010.0
1.5
2.0
2.5
3.0
Instantaneous forward voltage VF - (V)
Fig.2 Maximum (limit) forward characteristics
100
0.75
1.0
1.25
1.5
Instantaneous forward voltage VF - (V)
Fig.3 Maximum (limit) forward characteristics
250
VFR
200
δy
δx
150
Current
waveform
Voltage
waveform
di = δy
dt δx
Tj = 125˚C limit
100
Tj = 25˚C limit
50
100000
10000
IF
50µs
QS = 0
tp = 1ms
dIR/dt
QS
IRR
Conditions:
Tj = 150˚C,
VR = 100V
1000
IF = 2000A
IF = 1000A
IF = 500A
IF = 200A
IF = 100A
0
0
500
1000
1500
2000
Rate of rise of forward current dIF/dt - (A/µs)
Fig.4 Transient forward voltage vs rate of rise of
forward current
4/7
100
1
10
100
Rate of rise of reverse current dIR/dt - (A/µs)
Fig.5 Recovered charge
1000
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