DSF8025SE
4/8
500
Measured under pulse conditions
400
300
Tj = 150˚C
200
Tj = 25˚C
100
0
1.00
1.25
1.50
1.75
2.00
Instantaneous forward voltage VF - (V)
Fig. 2 Maximum (limit) forward characteristics
250
VFR
200
δy
150
δx
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