ND42__25
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
POW-R-BLOK TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
Description:
OUTLINE DRAWING
M K
T - M8 THD. (3 TYP.)
U - DIA. (4 TYP.)
Powerex Dual SCR/Diode Modules are
designed for use in applications
G J
K1
G1
A
AK
N
requiring phase control and isolated
packaging. The modules are isolated
for easy mounting with other
K
components on a common heatsink.
has been tested and
POW-R-BLOK
V
C
B
P
A
Q
S
W
W
TM
recognized by the Underwriters
Laboratories.
D E
K1
G1
K
SCR 1
R
L
AK
H
F
ND42__25
Dual SCR/Diode Isolated
POW-R-BLOK TM Module
250 Amperes / 600-1600 Volts
Features:
Electrically Isolated Heatsinking
Aluminum Nitride Insulator
Compression Bonded Elements
Metal Baseplate
Low Thermal Impedance
A
DIODE 2
for Improved Current Capability
Quick Connect Gate Terminal
with Provision for Keyed Mating
CONNECTION DIAGRAM
ND42 Outline Dimensions
Ordering Information :
Plug
UL Recognized
Module
Isolated POW-R-BLOK
Dimension
A
B
C
D
E
F
Inches
4.57
3.66
3.15
2.17
2.06
2.07
Millimeters
116
93
80.0
55.1
52.3
52.0
Select the complete eight digit
module part number from the table
below.
Example: ND421625 is a 1600Volt,
250 Ampere Dual SCR/Diode
TM
Benefits:
No Additional Insulation
Components Required
Easy Installation
No Clamping Components
Required
Reduce Engineering Time
G
H
J
K
L
M
1.97
1.90
1.50
1.38
1.26
1.122
50.0
48.3
38.1
35.0
32.0
28.5
Type
ND42
Voltage
Volts
(x100)
06
08
10
12
Current
Amperes
(x 10)
25
Applications:
Bridge Circuits
AC & DC Motor Drives
Battery Supplies
Power Supplies
Large IGBT Circuit Front Ends
N
P
Q
R
S
T
U
V
W
.71
.57
.625
.394
.350
M8 Metric
.250 Dia.
.110 x .032
.12
18.0
14.5
15.9
10.00
8.9
M8
6.35 Dia.
2.8 x 0.8
3.0
14
16
Note: Dimensions are for reference only.
Revision Date: 05/17/2010
相关PDF资料
ND431225 SCR MOD ISO DUAL 1200V 250A
ND431821 SCR MOD ISO DUAL 1800V 210A
ND471625 SCR MOD ISO DUAL 1600V 250A
NE18 2U EE 6AMP SWITCH PUSHBUTTON DPDT 6A 250V
NF-6610 BOX NEMA FBRGLS 7.74X7.74X4.50"
NF-6611 BOX NEMA FBRGLS 9.64X7.76X4.50"
NF-6612 BOX NEMA FBRGLS 11.78X9.90X6.50"
NF-6613 BOXNEMA FBRGLS 13.78X11.90X6.50"
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