POWEREX LD431850 Datasheet
LD431850
Powerex, Inc., Hillis Street, Youngwood, Pennsy l vania 15697 (724) 925-7272
Dual SCR Isolated Module
R
OUTLINE DRAWING
A
B
C
J F
POW-R-BLOK
500 Amperes / 1800 Volts
Description:
Powerex Dual SCR Modules are
designed for use in applications
requiring phase control and isolated
TM
packaging. The modules are isolated
for easy mounting with other
3
Q - DIA. (4 TYP.)
E
45
7
6
CONNECTION DIAGRAM
2
L H
4
56
7
3
P - M10 THD (3 TYP.)
T - (4 TYP.)
Ordering Information
1
K DG
M
S
N
12
:
Select the complete eight-digit
module part number from the table
below.
Example: LD431850 is a 1800V,
500 Ampere Dual SCR Isolated
POW-R-BLOK
TM
Module.
Type
LD43
Voltage
Volts
(x100)
18
Current
Amperes
(x10)
50
LD431850
Dual SCR
POW-R-BLOK
TM
Module
500 Amperes / 1800 Volts
LD43 Outline Dimensions
Dimension Inches Millimeters
A 5.91 150.0
B 4.88 124.0
C 4.41 112.0
D 2.36 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.
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 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
LD431850
Powerex, Inc., Hillis Street, Youngwood, Pennsy l vania 15697 (724) 925-7272
Dual SCR Isolated Module
POW-R-BLOK
500 Amperes / 1800 Volts
TM
Absolute Maximum Ratings
Characteristics Conditions Symbol Units
Repetitive Peak Forward and Reverse Blocking
Voltage
Non-Repetitive Peak Blocking Voltage
(t < 5 msec)
RMS Forward Current I
Average Forward Current 180° Conduction, TC=84°C
180° Conduction, T
Peak One Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
50 Hz, 100% V
Peak Three Cycle Surge Current, Non-Repetitive 60 Hz, 100%V
Peak Ten Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
I2t for Fusing for One Cycle 8.3 milliseconds
Maximum Rate-of-Rise of On-State Current,
Per JEDEC Standard 397 5.2.2.6 di/dt 200 A/µs
(Repetitive)
Operating Temperature TJ -40 to +130 °C
Storage Temperature T
Max. Mounting Torque, M6 Mounting Screw 55
Max. Mounting Torque, M10 Terminal Screw 110
Module Weight, Typical 1500 g
3.30 lb
V Isolation @ 25C
V
V
=80°C
C
reapplied
RRM
reapplied
RRM
reapplied I
RRM
reapplied I
RRM
10 milliseconds
& V
DRM
RRM
1900 V
RSM
900 A
T(RMS)
I
T(AV)
I
T(AV)
I
TSM
I
TSM
12,250 A
TSM
10,500 A
TSM
I2t
2
I
t
-40 to +150 °C
stg
V
rms
1800 V
500
540
17,000
16,300
1.20 x 10
1.33 x 10
6
6
A
A
A
A
2
sec
A
2
A
sec
in. – Lb.
6
Nm
in. – Lb.
12
Nm
3000 V
Revision Date: 5/3/2002
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