DCR1674SZ
CURVES
10000
10000
8000
6000
4000
2000
0
Measured under pulse conditions
Tj = 125˚C
1. 6 phase
2. 3 phase
3. Halfwave
4. d.c.
1.
2. 3.
4.
8000
6000
4000
2000
0
0.5
1.0
1.5
2.0
2.5
0
2000
4000
6000
8000
Instantaneous on-state voltage, VT - (V)
Mean on-state current, IT(AV) - (A)
Fig.3 Dissipation curves
Fig.2 Maximum (limit) on-state characteristics
VTM Equation:-
TM = A + Bln (IT) + C.IT+D.√IT
V
Where
A = 0.6844942
B = –0.02958434
C = 7.203702 x 10–5
D = 0.01015201
these values are valid for Tj = 125˚C for IT 500A to 10000A
5/8
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