DCR1476SY
CURVES
8000
Measured under pulse conditions
Tj = 125˚C
6000
7000
6000
5000
4000
4000
3000
2000
2000
1000
0
0
1.0
2.0
3.0
4.0
0
Instantaneous on-state voltage, VT - (V)
Fig.2 Maximum (limit) on-state characteristics
VTM Equation:-
VTM = A + Bln (IT) + C.IT+D.√IT
Where
A = 0.8659641
B = 0.03698496
C = 3.245389 x 10–4
D = –2.597435 x 10–3
these values are valid for Tj = 125˚C for IT 500A to 7000A
d.c.
Half wave
3 phase
6 phase
1000
2000
3000
Mean on-state current, IT(AV) - (A)
Fig.3 Dissipation curves
4000
5/8
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