SSAC60GK18 View Datasheet(PDF) - Sirectifier Electronics
Part Name
Description
Manufacturer
SSAC60GK18
Sirectifier Electronics
SSAC60GK18 Datasheet PDF : 4 Pages
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SSAC60
Solid State AC Controller(Anti-Parallel Thyristor-Thyristor Modules)
Fig. 7 Three phase AC-controller:
Power dissipation versus RMS
output current and ambient
temperature
3 x SSAC60
SSAC60
SSAC60
Fig. 8 Transient thermal impedance
junction to case (per thyristor or
diode)
RthJC for various conduction angles d:
d
DC
180oC
120oC
60oC
30oC
RthJC (K/W)
0.45
0.47
0.49
0.505
0.52
Constants for ZthJC calculation:
i
Rthi (K/W)
ti (s)
1
0.014
0.015
2
0.026
0.0095
3
0.41
0.175
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)
0.65
0.67
0.69
0.705
0.72
Constants for ZthJK calculation:
i
Rthi (K/W)
ti (s)
1
0.014
0.015
2
0.026
0.0095
3
0.41
0.175
4
0.2
0.67
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