L081 Datasheet, PDF (4/4 Pages) IXYS Corporation – Thyristor Modules Thyristor/Diode Modules

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MCC 162
MCD 162
Fig. 7 Three phase AC-controller:
Power dissipation versus RMS
output current and ambient
temperature
Fig. 8 Transient thermal impedance
junction to case (per thyristor or
diode)
R for various conduction angles d:
thJC
d
DC
180°
120°
60°
30°
R_thJC (K/W)
0.155
0.167
0.176
0.197
0.227
Constants for Z_thJC calculation:
i
R (K/W) t (s)
thi
i
1
0.0072
0.001
2
0.0188
0.08
3
0.129
0.2
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 (K/W)
thJK
0.225
0.237
0.246
0.267
0.297
Constants for Z_thJK calculation:
i
R_thi (K/W)
t_i (s)
1
0.0072
0.001
2
0.0188
0.08
3
0.129
0.2
4
0.07
1.0
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