DSF20545SF
500
Measured under pulse conditions
400
Tj = 150˚C
300
200
Tj = 25˚C
100
0.5
0.75
1.0
1.25
1.5
Instantaneous forward voltage VF - (V)
Fig.2 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
0
0
500
1000
1500
2000
Rate of rise of forward current dIF/dt - (A/µs)
Fig.3 Transient forward voltage vs rate of rise of forward current
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