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MDD142 Datasheet(PDF) 3 Page - IXYS Corporation

Part # MDD142
Description  HIgh Power Diode Modules
PDF  3 Pages
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Manufacturer  IXYS [IXYS Corporation]
Direct Link  http://www.ixys.com
Logo IXYS - IXYS Corporation

MDD142 Datasheet(HTML) 3 Page - IXYS Corporation

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© 2000 IXYS All rights reserved
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Fig. 5 Three phase rectifier bridge:
Power dissipation versus direct
output current and ambient
temperature
Fig. 6 Transient thermal impedance
junction to case (per diode)
Fig. 7 Transient thermal impedance
junction to heatsink (per diode)
R
thJK for various conduction angles d:
d
R
thJK (K/W)
DC
0.31
180
°
0.323
120
°
0.333
60
°
0.360
30
°
0.395
Constants for Z
thJK calculation:
iR
thi (K/W)
t
i (s)
1
0.0087
0.001
2
0.0163
0.065
3
0.185
0.4
4
0.1
1.29
MDD 142
R
thJC for various conduction angles d:
d
R
thJC (K/W)
DC
0.210
180
°
0.223
120
°
0.233
60
°
0.260
30
°
0.295
Constants for Z
thJC calculation:
iR
thi (K/W)
t
i (s)
1
0.0087
0.001
2
0.0163
0.065
3
0.185
0.4



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