
DCR1673SA
5/8
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CURVES
Fig.2 Maximum (limit) on-state characteristics
Fig.3 Dissipation curves
V
TM
Equation:-
V
TM
= A + Bln (I
T
) + C.I
T
+D.
√
I
T
Where
A = 0.6180535
B = 0.007965
C = 4.57 x 10
–5
D = 4.003 x 10
–3
these values are valid for T
j
= 125C for I
T
200A to 10000A
0
0.6
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
0.7
0.8
Instantaneous on-state voltage, V
T
- (V)
0.9
1
1.1
1.2
1.3
1.4
1.5
1.6
I
T
Measured under pulse conditions
T
j
= 125
C
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
0
1000
2000
Mean on-state current, I
T
- (A)
3000
4000
5000
6000
7000
M
dc
1/2 wave
3 phase
6 phase
12 phase