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Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
Dual SCR Isolated Module
POW-R-BLOK
40 Amperes / Up to 1800 Volts
OUTLINE DRAWING
A
C
B
D
1
"U" THREAD
M
~
G HF
1
2
2
+
CONNECTION DIAGRAM
3
L
67
45
"S" FASTON TAB
3
-
T
N
J
K
Q
P
CD43__40B
Dual SCR Isolated
POW-R-BLOKTM Module
40 Amperes / Up to 1800 Volts
6
7
5
4
Ordering Information:
Select the complete nine digit module
CD43 Outline Dimensions
Dimension Inches Millimeters
A 3.66 93
B 0.79 20
C 3.15 80
D 1.18 30
F 0.61 15.5
G 0.79 20
H 0.79 20
J 0.16 4
K 0.22 5.7
L 0.59 15
M 1.10 28
N 0.31 8
P 0.94 24
Q 1.16 29.4
S 0.11 x .03 2.8 x 0.8
T 0.25 6.4
U M5 M5
Note: Dimensions are for reference only.
part number from the table below.
Example: CD431640B is a 1600Volt,
40 Ampere Dual SCR Isolated
POW-R-BLOK
TM
Module
Type
CD43 08
Voltage
Volts
(x100)
12
14
16
18
Current
Amperes
40
Version
B
CD43__40B
Description:
Powerex Dual SCR Modules are
designed for use in applications
requiring phase control and isolated
packaging. The modules are isolated
for easy mounting with other
components on a common heatsink.
POW-R-BLOK
recognized by the Underwriters
Laboratories.
Features:
Electrically Isolated Heatsinking
DBC Alumina (Al
Copper Baseplate
Low Thermal Impedance
for Improved Current Capability
UL Recognized (E78240)
Benefits:
No Additional Insulation
Components Required
Easy Installation
No Clamping Components
Required
Reduce Engineering Time
Applications:
Bridge Circuits
AC & DC Motor Drives
Battery Supplies
Power Supplies
Large IGBT Circuit Front Ends
Lighting Control
Heat & Temperature Control
Welders
TM
TM
has been tested and
) Insulator
2O3
Revision Date: 04/28/2009