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DS502ST Datasheet, PDF (4/7 Pages) Dynex Semiconductor – Rectifier Diode
DS502ST
CURVES
3000
2500
2000
1500
1000
500
Tj = 175ºC
Tj = 25ºC
0
0.7 0.8 0.9
1 1.1 1.2 1.3 1.4 1.5 1.6
Instantaneous forward voltage, VF - (V)
800
dc
1/2 wave
700
3 phase
6 phase
600
500
400
300
200
100
0
0 100 200 300 400 500 600 700 800
Mean on-state current, IT(AV) - (A)
Fig.2 Maximum (limit) forward characteristics
VFM Equation:-
VFM = A + Bln (IF) + C.IF+D.√IF
Fig.3 Dissipation curves
Where
A = 0.504353
B = 0.056611
C = 0.000639
D = –0.0011
these values are valid for Tj = 125˚C for IF 500A to 2500A
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