STT130 Просмотр технического описания (PDF) - Sirectifier Electronics
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STT130 Datasheet PDF : 4 Pages
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MTC130
Thyristor-Thyristor Modules
Fig. 7 Three phase AC-controller:
Power dissipation versus RMS
output current and ambient
temperature
3 x STT130
Fig. 8 Transient thermal impedance
junction to case (per thyristor or
diode)
RthJC for various conduction angles d:
d
DC
180oC
120oC
60oC
30oC
R (K/W)
thJC
0.230
0.244
0.255
0.283
0.321
Constants for ZthJC 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)
RthJK for various conduction angles d:
d
DC
180oC
120oC
60oC
30oC
RthJK (K/W)
0.330
0.344
0.355
0.383
0.421
Constants for ZthJK calculation:
i
Rthi (K/W)
ti (s)
1
0.0095
0.001
2
0.0175
0.065
3
0.203
0.4
4
0.1
1.29
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