Ld43, Pow-r-blok – C&H Technology LD43__50 User Manual
Page 6
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![background image](/manuals/266531/6/background.png)
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD43__50
Six-Pulse Bridge Circuit Total Power Dissipation & Maximum Rated Output Current With Sink to Ambient
Resistance of Heatsink as a Parameter.
Total Power Dissipation vs Maximum Rated Output Current
0
500
1000
1500
2000
2500
3000
3500
4000
0
200
400
600
800
1000
1200
1400
Maximum Bridge Output Current (A)
0
500
1000
1500
2000
2500
3000
3500
4000
Tot
al
P
ow
er
D
issi
pat
ion (
W
)
Powerex
LD43--50 Pow-R-Blok 6-Pulse Bridge
0
500
1000
1500
2000
2500
3000
3500
4000
10
30
50
70
90
110
130
Ambient Temperature (C)
Tot
al
Pow
er
D
iss
ipat
ion
(W
)
0.30
0.20
0.15
0.12
0.10
0.08
0.06
0.05
0.04
0.03
0.025
0.02
0.015
0.01
Rth S-A (C/W)
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