ND421825 Datasheet, PDF (1/4 Pages) Powerex Power Semiconductors – POW-R-BLOK Dual SCR/Diode Isolated Module (250 Amperes / 1800 Volts)

Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 [phone]
ND421825
POW-R-BLOK^TM
Dual SCR/Diode Isolated Module
250 Amperes / 1800 Volts
OUTLINE DRAWING
M
K
T - M8 THD. (3 TYP.)
U - DIA. (4 TYP.)
K1
G1
GJ
V
DE
A
K
C
B
A
Q
P
AK
N
S
W
W
H
F
L
R
K1
G1
SCR 1
K
AK
DIODE 2
A
ND421825
Dual SCR/Diode Isolated
POW-R-BLOK^TM Module
250 Amperes / 1800 Volts
CONNECTION DIAGRAM
ND42 Outline Dimensions
Dimension
Inches
Millimeters
A
4.57
116
B
3.66
93
C
3.15
80.0
D
2.17
55.1
E
2.06
52.3
F
2.07
52.0
G
1.97
50.0
H
1.90
48.3
J
1.50
38.1
K
1.38
35.0
L
1.35
34.3
M
1.122
28.5
N
.71
18.0
P
.57
14.5
Q
.625
R
.394
15.9
10.00
S
.350
8.9
T
M8 Metric
M8
U
.22 Dia.
5.6 Dia.
V
.110 x .032
2.8 x 0.8
W
.12
3.0
Note: Dimensions are for reference only.
Ordering Information:
Select the complete eight digit
module part number from the table
below.
Example: ND421825 is a 1800Volt,
250 Ampere Dual SCR/Diode
Isolated POW-R-BLOK^TM Module
Type
ND42
Voltage
Volts
(x100)
18
Current
Amperes
(x 10)
25
Description:
Powerex Dual SCR/Diode 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-BLOK^TM has been tested and
recognized by the Underwriters
Laboratories.
Features:
T Electrically Isolated Heatsinking
T Aluminum Nitride Insulator
T Compression Bonded Elements
T Metal Baseplate
T Low Thermal Impedance
for Improved Current Capability
T Quick Connect Gate Terminal
with Provision for Keyed Mating
Plug
T UL Recognized
Benefits:
T No Additional Insulation
Components Required
T Easy Installation
T No Clamping Components
Required
T Reduce Engineering Time
Applications:
T Bridge Circuits
T AC & DC Motor Drives
T Battery Supplies
T Power Supplies
T Large IGBT Circuit Front Ends
Revision Date: 11/1/2001