PSKD250 Datasheet, PDF (3/3 Pages) Powersem GmbH – Diode Modules

Circuit
B6
3 x PSKD 250
Fig. 5 Three phase rectifier bridge:
Power dissipation versus direct
output current and ambient
temperature
0.15
K/W
Z_thJC
0.10
0.05
Fig. 6 Transient thermal impedance
30°
junction to case (per diode)
DC
R_thJC for various conduction angles d:
d
DC
180°
120°
60°
30°
R_thJC (K/W)
0.129
0.131
0.132
0.132
0.133
Constants for Z_thJC calculation:
i
R_thi (K/W)
t_i (s)
1
0.0035
0.0099
0.000
10^-3
10^-2
10^-1
10⁰
10¹
s
t
10²
2
3
0.0165
0.1091
0.168
0.456
0.20
K/W
Z_thJK
0.15
0.10
Fig. 7 Transient thermal impedance
junction to heatsink (per diode)
30°
DC
R_thJK for various conduction angles d:
d
DC
180°
120°
60°
30°
R_thJK (K/W)
0.169
0.171
0.172
0.172
0.173
0.05
Constants for Z_thJK calculation:
i
R_thi (K/W)
t_i (s)
1
0.0035
0.0099
0.00
2
0.0165
0.168
10^-3
10^-2
10^-1
10⁰
10¹
s
t
10²
3
4
0.1091
0.04
0.456
1.36
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