MCD56 IXYS Corporation, MCD56 Datasheet - Page 4

• Manufacturer Part Number: MCD56
• Description: Thyristor Modules /diode Modules
• Manufacturer: IXYS Corporation

4 - 4
Fig. 7 Three phase AC-controller:
Fig. 8 Transient thermal impedance
R
Constants for Z
Fig. 9 Transient thermal impedance
R
Constants for Z
thJC
thJK
d
1
2
3
1
2
3
4
DC
i
i
180°
120°
180°
120°
DC
d
60°
30°
for various conduction angles d:
60°
30°
for various conduction angles d:
Power dissipation versus RMS
output current and ambient
temperature
junction to case (per thyristor or
diode)
junction to heatsink (per thyristor
or diode)
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R
0.014
0.026
0.41
R
0.014
0.026
0.41
0.2
thi
thi
R
0.45
0.47
0.49
0.505
0.52
thJC
(K/W)
R
0.65
0.67
0.69
0.705
0.72
(K/W)
thJK
thJC
thJK
calculation:
calculation:
(K/W)
(K/W)
MCC 56
MCD 56
t
0.015
0.0095
0.175
t
0.015
0.0095
0.175
0.67
i
i
(s)
(s)