DCR750F85 Datasheet, PDF (6/11 Pages) Dynex Semiconductor – Phase Control Thyristor

SEMICONDUCTOR
DCR750F85
125
125
d.c.
d.c.
180
180
120
120
100
90
100
60
90
30
60
30
75
75
50
50
25
25
0
0
500
1000
1500
2000
Mean on-state current, I_T(AV) - (A)
Fig.7 Maximum permissible case temperature,
double side cooled – rectangular wave
0
0
500
1000
1500
Mean on-state current, I_T(AV) - (A)
Fig.8 Maximum permissible heatsink temperature,
double side cooled – rectangular wave
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0.001
Double Side Cooled
Cathode Side Cooled
Anode Side Cooled
0.01
0.1
1
Time ( s )
Double side cooled
Anode side cooled
Cathode side cooled
Ri (°C/kW)
Ti (s)
Ri (°C/kW)
Ti (s)
Ri (°C/kW)
Ti (s)
i4
Z
th
[R_i (1
i1
1
7.5608
0.6877
6.7211
0.1910
11.5564
4.2216
2
4.0772
0.2537
4.6219
0.0158
8.5810
6.0269
3
3.8420
0.0614
15.5387
5.0011
4.7942
0.0166
exp(T
/
T
i
)]
4
2.8671
0.0101
14.8631
3.3169
8.3643
0.2255
ÁR_th(j-c) Conduction
Tables show the increments of thermal resistance R_th(j-c) when the device
operates at conduction angles other than d.c.
Double side cooling
Anode Side Cooling
Cathode Sided Cooling
ÁZth (z)
ÁZth (z)
ÁZth (z)
°
sine.
rect.
° sine.
rect.
° sine.
rect.
180
3.19
2.14
180 2.97
2.03
180 2.95
2.02
120
3.72
3.10
120 3.43
2.89
120 3.40
2.87
10
100
90
4.29
60
4.81
3.64
4.23
90 3.92
3.36
60 4.36
3.87
90 3.88
3.34
60 4.31
3.84
30
5.22
4.88
30 4.69
4.41
30 4.64
4.37
15
5.40
5.22
15 4.84
4.70
15 4.79
4.65
Fig.9 Maximum (limit) transient thermal impedance – junction to case (°C/kW)
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