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LD43__43
POW-R-BLOK
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
TM
Dual SCR Isolated Module
430 Amperes / 1800-2200 Volts
R
J
OUTLINE DRAWING
A
B
C
F
Description:
Powerex Dual SCR Modules are
designed for use in applications
requiring phase control and isolated
packaging. The modules are isolated
for easy mounting with other
K
G
D
components on a common heatsink.
3
2
1
POW-R-BLOK
TM
has been tested and
recognized by the Underwriters
L
Q - DIA. (4 TYP.)
H
P - M10 THD (3 TYP.)
LD43__43
Laboratories.
POW-R-BLOK
Module
E
4
5
7
6
T - (4 TYP.)
S
M
Dual SCR
TM
430 Amperes / 1800-2200 Volts
LD43 Outline Dimensions
Dimension Inches Millimeters
Features:
T Electrically Isolated Heatsinking
T Aluminum Nitride Isolator
T Compression Bonded Elements
T Metal Baseplate
T Low Thermal Impedance
for Improved Current Capability
T UL Recognized
A
5.91
150.0
5 4
6 7
3
2
N
1
B
C
D
E
F
G
4.88
4.41
2.36
2.05
1.97
1.89
124.0
112.0
60.0
52.0
50.0
48.0
Benefits:
T No Additional Insulation
Components Required
T Easy Installation
T No Clamping Components
Required
T Reduce Engineering Time
H
1.73
44.0
CONNECTION DIAGRAM
J
1.22
31.0
K
1.10
28.0
Applications:
Ordering Information :
Select the complete eight-digit
module part number from the table
below.
Example: LD431843 is a 1800 Volt,
430 Ampere Dual SCR Isolated
L
M
N
P
Q
1.00
0.69
0.39
M10 Metric
0.26 Dia.
25.4
17.5
10.0
M10
6.5 Dia.
T
T
T
T
T
Bridge Circuits
AC & DC Motor Drives
Battery Supplies
Power Supplies
Large IGBT Circuit Front Ends
POW-R-BLOK
TM
Module
R
0.24
6.0
S
T
0.12
.110 x .032
3.0
2.5 x 0.8
Type
LD43
Voltage
Volts
(x100)
18
Current
Amperes
(x10)
43
Note: Dimensions are for reference only.
20
22
Revision Date: 11/1/2001
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