C&H Technology LD42__50 - Manual (Page 6)

Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD42__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
T
o
ta
l Po
wer
Di
ssi
pa
tion (
W
)
Powerex LD42--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)
T
ot
al
P
owe
r D
is
si
pat
io
n (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)