PSKT224 Datasheet, PDF (4/4 Pages) Powersem GmbH – Thyristor/Diode Modules

2000
W
P_{tot 1500}
1000
500
Circ_Cu_ii_rt_cuit
W 3_W3
3xP₃S_xK_MT_C2_C2₂4₂₄or
3xPSKH 224
R_thKA K/W
0.03
0.05
0.08
0.1
0.15
0.2
0.3
Fig. 7 Three phase AC-controller:
Power dissipation versus RMS
output current and ambient
temperature
0
0 100 200 300 400 500 A 0
I_RMS
25
50
75
100 125 °C 150
T_A
0.25
Fig. 8 Transient thermal impedance
K/W
junction to case (per thyristor or
diode)
0.20
R_thJC for various conduction angles d:
Z_{thJC 0.15}
0.10
0.05
d
R_thJC (K/W)
DC
0.139
180°
0.148
30°
120°
0.156
60°
120°
180°
60°
0.176
30°
0.214
DC
Constants for Z_thJC calculation:
i
R_thi (K/W)
t_i (s)
0.00
1
0.0067
0.00054
10^-3
10^-2
10^-1
10⁰
10¹
s
10²
2
0.0358
0.098
t
3
0.0832
0.54
4
0.0129
12
0.30
Fig. 9 Transient thermal impedance
K/W
junction to heatsink (per thyristor
0.25
or diode)
Z_thJK
0.20
0.15
0.10
0.05
R_thJK for various conduction angles d:
d
R_thJK (K/W)
DC
0.179
180°
0.188
30°
120°
0.196
60°
60°
0.216
120°
30°
0.256
180°
DC
Constants for Z_thJK calculation:
i
R_thi (K/W)
t_i (s)
0.00
10^-3
10^-2
10^-1
10⁰
10¹
s
10²
1
0.0067
0.00054
t
2
0.0358
0.098
3
0.0832
0.54
4
0.0129
12
5
0.04
12
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