PSKD142 Datasheet, PDF (3/3 Pages) Powersem GmbH – Diode Modules

Circuit
B6
3 x PSKD 142
Fig. 5 Three phase rectifier bridge:
Power dissipation versus direct
output current and ambient
temperature
Fig. 6 Transient thermal impedance
junction to case (per diode)
R_thJC for various conduction angles d:
d
DC
180°
120°
60°
30°
R_thJC (K/W)
0.210
0.223
0.233
0.260
0.295
Constants for Z_thJC calculation:
i
R_thi (K/W)
t_i (s)
1
0.0087
0.001
2
0.0163
0.065
3
0.185
0.4
Fig. 7 Transient thermal impedance
junction to heatsink (per diode)
R_thJK for various conduction angles d:
d
DC
180°
120°
60°
30°
R_thJK (K/W)
0.31
0.323
0.333
0.360
0.395
Constants for Z_thJK calculation:
i
R_thi (K/W)
t_i (s)
1
0.0087
0.001
2
0.0163
0.065
3
0.185
0.4
4
0.1
1.29
POWERSEM GmbH, Walpersdorfer Str. 53
 2003 POWERSEM reserves the right to change limits, test conditions and dimensions
D - 91126 Schwabach
Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20