
CM421290
CM421690
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
SCR/Diode
POW-R-BLOK? Modules
90 Amperes/1200-1600 Volts
Description:
A1K2
A
B
K1
A2
K1 G1
H D
Powerex SCR/Diode
POW-R-BLOK? Modules are
designed for use in applications
requiring Half-Control and
isolated packaging. The modules
G
L - DIA.
(2 TYP.)
E
E
M - M5 THD
(3 TYP.)
are isolated for easy mounting
with other components on
common heatsinks.
.110 TAB
J
Features:
C
K
F
CM421290, CM421690
SCR/Diode
POW-R-BLOK? Modules
90 Amperes/1200-1600 Volts
Isolated Mounting
Glass Passivated Chips
Metal Baseplate
A1K2
K1
A2
K1 G1
Low Thermal Impedance
Applications:
Outline Drawing
Battery Supplies
Bridge Circuits
Dimension
Inches
Millimeters
A
B
C
D
E
F
G
H
J
K
L
3.681 Max.
3.150
1.181 Max.
1.024 Max.
0.906
0.827
0.650
0.512
0.354
0.256
0.256 Dia.
93.5 Max.
80
30 Max.
26 Max.
23
21
16.5
13
9
6.5
Dia. 6.5
AC and DC Motor Control
Tap Changers
Lighting Control
Ordering Information:
Select the complete eight digit
module part number you desire
from the table below.
Example: CM421290 is a
1200 Volt, 90 Ampere SCR/Diode
POW-R-BLOK? Module.
M
M5 Metric
M5
Type
Voltage
Volts (x100)
Current Rating
Amperes (90)
CM42
12
90
16
SD-21