DFS454 Datasheet, PDF (4/8 Pages) Dynex Semiconductor – Fast Recovery Diode

DFS454
4/8
500
Measured under
pulse conditions
400
T_j = 150˚C
300
200
T_j = 25˚C
100
0
1.0
1.5
2.0
2.5
3.0
Instantaneous forward voltage V_F - (V)
Fig. 2 Maximum (limit) forward characteristics
250
V_FR
200
δy
150
δx
Current
waveform
Voltage
waveform
di = δy
dt δx
T_j = 100˚C limit
100
T_j = 25˚C limit
50
0
0
500
1000
1500
2000
Rate of rise of forward current dI_F/dt - (A/µs)
Fig. 3 Transient forward voltage vs rate of rise of forward current