PSKT132 Datasheet, PDF (4/4 Pages) Powersem GmbH – Thyristor/Diode Modules

Circuit
W3
3xPSKT132 or
3xPSKH 132
Fig. 7 Three phase AC-controller:
Power dissipation versus RMS
output current and ambient
temperature
Z_thJC(t)
Fig. 8 Transient thermal impedance
junction to case (per thyristor or
diode)
R_thJC for various conduction angles d:
d
DC
180°
120°
60°
30°
R_thJC (K/W)
0.230
0.244
0.255
0.283
0.321
Constants for Z_thJC calculation:
i
R_thi (K/W)
t_i (s)
1
0.0095
0.001
2
0.0175
0.065
3
0.203
0.4
Z_thJK(t)
Fig. 9 Transient thermal impedance
junction to heatsink (per thyristor
or diode)
R_thJK for various conduction angles d:
d
DC
180°
120°
60°
30°
R_thJK (K/W)
0.330
0.344
0.355
0.383
0.421
Constants for Z_thJK calculation:
i
R_thi (K/W)
t_i (s)
1
0.0095
0.001
2
0.0175
0.065
3
0.203
0.4
4
0.1
1.29
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D - 91126 Schwabach
Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20