C&H Technology ND413425 User Manual
Page 2
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
www.pwrx.com
Dual Diode Isolated Module
250 Amperes / Up to 3400 Volts
Revision Date: 07/13/2010
ND413425
ND41 Outline Dimensions
Dimension Inches
Millimeters
A 4.57 116
B 3.66
93
C 3.15 80.0
E 2.06 52.3
F 2.05 52.0
G 1.97 50.0
H 1.90 48.3
J 1.50 38.1
K 1.38 35.0
L 1.26 32.0
M 1.122 28.5
N .71 18.0
P .57 14.5
Q .625 15.9
R .394 10.00
S .350 8.9
T M8
Metric M8
U
.250 Dia.
6.35 Dia.
W .12
3.0
Note: Dimensions are for reference only.
ND413425
Dual Diode Isolated
POW-R-BLOK
TM
Module
250 Amperes / 2600 - 3400 Volts
Ordering Information
:
Select the complete eight digit
module part number from the table
below.
Example: ND413425 is a 3400 Volt,
250 Ampere Dual Diode Isolated
POW-R-BLOK
TM
Module
Type
Voltage
Volts
(x100)
Current
Amperes
(x10)
ND41 26
28
30
32
34
25
Description:
Powerex Dual Diode Modules are
designed for use in applications
requiring rectification and isolated
packaging. The modules are isolated
for easy mounting with other
components on a common heatsink.
POW-R-BLOK
TM
has been tested and
recognized by the Underwriters
Laboratories.
Features:
Electrically Isolated Heatsinking
Aluminum Nitride Isolator
Compression Bonded Elements
Metal Baseplate
Low Thermal Impedance
for Improved Current Capability
UL Recognized
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
CONNECTION DIAGRAM
A
K
AK
DIODE 1
DIODE 2
M
K
G
A
B
N
R
T - M8 THD. (3 TYP.)
U - DIA. (4 TYP.)
OUTLINE DRAWING
A
K
AK
J
C
S
P
Q
F
H
W
L
E
W