
CM4208A2
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
A
SCR/Diode
POW-R-BLOK? Modules
25 Amperes/800 Volts
Description:
Powerex SCR/Diode
A1K2
B
K1
A2
H
D
POW-R-BLOK? Modules are
designed for use in applications
requiring Half-Control and
L - DIA.
(2 TYP.)
G
F
F
K1 G1
M - M5 THD
(3 TYP.)
isolated packaging. The modules
are isolated for easy mounting
with other components on
C
.110 TAB
E
J
CM4208A2
common heatsinks.
Features:
Isolated Mounting
K
SCR/Diode
POW-R-BLOK? Modules
Glass Passivated Chips
A1K2
K1
A2
K1 G1
25 Amperes/800 Volts
Metal Baseplate
Low Thermal Impedance
Outline Drawing
Applications:
Battery Supplies
Dimension
A
B
C
D
E
F
G
H
J
K
Inches
3.681
3.150±0.012
1.181
1.024
0.827
0.787
0.689
0.492
0.354
0.256
Millimeters
93.5
80±0.3
30
26
21
20
17.5
12.5
9
6.5
Bridge Circuits
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: CM4208A2 is an
800 Volt, 25 Ampere SCR/Diode
L
0.256±0.008 Dia. Dia. 6.5±0.2
POW-R-BLOK? Module.
M
M5 Metric
M5
Voltage
Current Rating
Type
CM42
Volts (x100)
08
Amperes (25)
A2
SD-1