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LD431850 Datasheet, PDF (1/4 Pages) Powerex Power Semiconductors – POW-R-BLOK Dual SCR Isolated Module (500 Amperes / 1800 Volts)
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
LD431850
POW-R-BLOKTM
Dual SCR Isolated Module
500 Amperes / 1800 Volts
OUTLINE DRAWING
A
R
B
C
J
F
3
L
Q - DIA. (4 TYP.)
2
1
H
P - M10 THD (3 TYP.)
K GD
M
LD431850
Dual SCR
POW-R-BLOKTM Module
500 Amperes / 1800 Volts
T - (4 TYP.)
S
47
E
56
N
54
2
1
67
3
CONNECTION DIAGRAM
Ordering Information:
Select the complete eight-digit
module part number from the table
below.
Example: LD431850 is a 1800V,
500 Ampere Dual SCR Isolated
POW-R-BLOKTM Module.
Type
LD43
Voltage
Volts
(x100)
18
Current
Amperes
(x10)
50
LD43 Outline Dimensions
Dimension
Inches
Millimeters
A
5.91
150.0
B
4.88
124.0
C
4.41
D
2.36
112.0
60.0
E
2.05
52.0
F
1.97
50.0
G
1.89
48.0
H
1.73
44.0
J
1.22
31.0
K
1.10
28.0
L
1.00
25.4
M
0.69
17.5
N
0.39
10.0
P
M10 Metric
M10
Q
0.26 Dia.
6.5 Dia.
R
0.24
6.0
S
0.12
3.0
T
.110 x .032
2.5 x 0.8
Note: Dimensions are for reference only.
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
components on a common heatsink.
POW-R-BLOKTM has been tested and
recognized by the Underwriters
Laboratories.
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
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: 5/3/2002