PSKT220 Datasheet, PDF (4/4 Pages) Powersem GmbH – Thyristor/Diode Modules

Circuit
W3
3xPSKT 220 or
3xPSKH 220
Fig. 7 Three phase AC-controller:
Power dissipation versus RMS
output current and ambient
temperature
0.15
K/W
Z_thJC
0.10
0.05
Fig. 8 Transient thermal impedance
30°
junction to case (per thyristor or
DC
diode)
R_thJC for various conduction angles d:
d
DC
180°C
120°C
60°C
30°C
R_thJC (K/W)
0.139
0.141
0.142
0.142
0.143
Constants for Z_thJC calculation:
i
R_thi (K/W)
t_i (s)
1
0.0037
0.0099
0.000
10^-3
10^-2
10^-1
10⁰
10¹
s
10²
2
0.0177
0.168
t
3
0.1175
0.456
0.20
K/W
Z_thJK
0.15
0.10
Fig. 9 Transient thermal impedance
30°
junction to heatsink (per thyristor
DC
or diode)
R_thJK for various conduction angles d:
d
DC
180°C
120°C
60°C
30°C
R_thJK (K/W)
0.179
0.181
0.182
0.183
0.183
0.05
Constants for Z_thJK calculation:
i
R_thi (K/W)
t_i (s)
0.00
1
0.0037
0.0099
10^-3
10^-2
10^-1
10⁰
10¹
s
10²
2
0.0177
0.168
t
3
0.1175
0.456
4
0.04
1.36
POWERSEM GmbH, Walpersdorfer Str. 53  2002 POWERSEM reserves the right to change limits, test conditions and dimensions
D - 91126 Schwabach
Phone: 09122 - 9764 - 0 FAX: 09122 - 9764 - 20