Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
CD43__90B
POW-R-BLOKTM
Dual SCR Isolated Module
90 Amperes / Up to 1800 Volts
OUTLINE DRAWING
A
C
F
G
H
T
B
"U" THREAD
J
K
"S" FASTON TAB
L
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-BLOKTM has been tested and
recognized by the Underwriters
Laboratories.
DM
1~
2
+
CONNECTION DIAGRAM
Q
P
N
6
7
-3
5
4
CD43__90B
Dual SCR Isolated
POW-R-BLOKTM Module
90 Amperes / Up to 1800 Volts
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.
Ordering Information:
Select the complete nine digit module
part number from the table below.
Example: CD431690B is a 1600Volt,
90 Ampere Dual SCR Isolated
POW-R-BLOKTM Module
Voltage Current
Type
Volts
(x100)
Amperes
Version
CD43
08
90
B
12
14
16
18
Features:
Electrically Isolated Heatsinking
DBC Alumina (Al2O3) Insulator
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
Revision Date: 04/28/2009