STD130 Datasheet, PDF (4/4 Pages) Sirectifier Semiconductors – Thyristor-Diode Modules, Diode-Thyristor Modules

STD/SDT130
Thyristor-Diode Modules, Diode-Thyristor Modules
Fig. 7 Three phase AC-controller:
Power dissipation versus RMS
output current and ambient
temperature
3 x STD/SDT130
Fig. 8 Transient thermal impedance
junction to case (per thyristor or
diode)
R_thJC for various conduction angles d:
d
DC
180^oC
120^oC
60^oC
30^oC
R (K/W)
thJC
0.230
0.244
0.255
0.283
0.321
Constants for Z_thJC calculation:
i
R (K/W) t (s)
thi
i
1
0.0095
0.001
2
0.0175
0.065
3
0.203
0.4
Fig. 9 Transient thermal impedance
junction to heatsink (per thyristor
or diode)
R_thJK for various conduction angles d:
d
DC
180^oC
120^oC
60^oC
30^oC
R_thJK (K/W)
0.330
0.344
0.355
0.383
0.421
Constants for Z_thJK calculation:
i
R_thi (K/W)
t_i (s)
1
0.0095
0.001
2
0.0175
0.065
3
0.203
0.4
4
0.1
1.29