MCC72-18IO8B 查看數據表（PDF） - IXYS CORPORATION
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MCC72-18IO8B Datasheet PDF : 4 Pages
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MCC 72
MCD 72
Fig. 7 Three phase AC-controller:
Power dissipation versus RMS
output current and ambient
temperature
IXYS reserves the right to change limits, test conditions and dimensions
4-4
Fig. 8 Transient thermal impedance
junction to case (per thyristor or
diode)
RthJC for various conduction angles d:
d
DC
180°
120°
60°
30°
RthJC (K/W)
0.3
0.31
0.33
0.35
0.37
Constants for ZthJC calculation:
i
Rthi (K/W)
ti (s)
1
0.008
0.0019
2
0.054
3
0.238
0.047
0.3
Fig. 9 Transient thermal impedance
junction to heatsink (per thyristor
or diode)
RthJK for various conduction angles d:
d
DC
180°
120°
60°
30°
RthJK (K/W)
0.5
0.51
0.53
0.55
0.57
Constants for ZthJK calculation:
i
Rthi (K/W)
ti (s)
1
0.008
2
0.054
3
0.238
4
0.2
0.0019
0.047
0.3
1.25
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