Datasheet

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4 - 4
MCC 56
MCD 56
419
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)
Fig. 9 Transient thermal impedance
junction to
heatsink (per thyristor
or diode)
R
thJK
for various conduction angles d:
d R
thJK
(K/W)
DC 0.65
180° 0.67
120° 0.69
60° 0.705
30° 0.72
Constants for Z
thJK
calculation:
iR
thi
(K/W) t
i
(s)
1 0.014 0.015
2 0.026 0.0095
3 0.41 0.175
4 0.2 0.67
Constants for Z
thJC
calculation:
iR
thi
(K/W) t
i
(s)
1 0.014 0.015
2 0.026 0.0095
3 0.41 0.175
R
thJC
for various conduction angles d:
dR
thJC
(K/W)
DC 0.45
180° 0.47
120° 0.49
60° 0.505
30° 0.52