LD43__50
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
Dual SCR Isolated Module
500 Amperes / Up to 1600 Volts
TM
OUTLINE DRAWING
A
R
B
C
J
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
components on a common heatsink.
TM
POW-R-BLOK
has been tested and
recognized by the Underwriters
Laboratories.
TM
K
G
D
3
2
1
L
Q - DIA. (4 TYP.)
H
P - M10 THD (3 TYP.)
LD43__50
M
Dual SCR Pow-R-Blok
Module
500 Amperes/ 600 – 1600 Volts
Features:
Electrically Isolated Heatsinking
Aluminum Nitride Insulator
Compression Bonded Elements
Metal Baseplate
Low Thermal Impedance
for Improved Current Capability
Quick Connect Gate Terminal
with Provision for Keyed Mating
Plug
UL Recognized
T - (4 TYP.)
LD43 Outline Dimensions
S
Dimension
E
4
5
7
6
Inches
5.91
4.88
4.41
2.36
2.05
1.97
1.89
1.73
1.22
1.10
1.00
0.69
0.39
M10 Metric
0.26 Dia.
0.24
0.12
.110 x .032
Millimeters
150.0
124.0
112.0
60.0
52.0
50.0
48.0
44.0
31.0
28.0
25.4
17.5
10.0
M10
6.5 Dia.
6.0
3.0
2.5 x 0.8
A
B
N
C
D
E
F
5 4
6 7
3
2
1
Benefits:
No Additional Insulation
Components Required
Easy Installation
No Clamping Components
Required
Reduce Engineering Time
G
H
J
CONNECTION DIAGRAM
K
L
Ordering Information
:
Example: Select the complete
eight-digit module part number
from the table below.
Example: LD431650 is a
1600Volt, 500 Ampere Dual SCR
TM
Isolated
POW-R-BLOK
Module
M
N
P
Q
R
S
T
Applications:
Bridge Circuits
AC & DC Motor Drives
Battery Supplies
Power Supplies
Large IGBT Circuit Front Ends
Note: Dimensions are for reference only.
Type
LD43
Voltage
Volts
(x100)
06
08
10
12
14
16
Current
Amperes
(x10)
50
11/4/1999
LD43__ 50
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
Dual SCR Isolated Module
500 Amperes / up to 1600
TM
Volts
Absolute Maximum Ratings
Characteristics
Repetitive Peak Forward and Reverse Blocking
Voltage
Non-Repetitive Peak Blocking Voltage
(t < 5 msec)
RMS Forward Current
Average Forward Current
Peak One Cycle Surge Current, Non-Repetitive
Peak Three Cycle Surge Current, Non-Repetitive
Peak Ten Cycle Surge Current, Non-Repetitive
I t for Fusing for One Cycle
Maximum Rate-of-Rise of On-State Current,
(Repetitive)
Operating Temperature
Storage Temperature
Max. Mounting Torque, M6 Mounting Screw
Max. Mounting Torque, M10 Terminal Screw
Module Weight, Typical
V Isolation @ 25C
2
Conditions
Symbol
V
DRM
& V
RRM
V
RSM
I
T(RMS)
up to 1600
V
RRM
+ 100
900
500
17,000
16,300
12,250
10,500
1.20 x 10
1.33 x 10
200
6
6
Units
V
V
A
A
A
A
A
A
A sec
2
A sec
A/
m
s
°
C
°
C
in. – Lb.
Nm
in. – Lb.
Nm
g
lb
V
2
180
°
Conduction, T
C
=86
°
C
60 Hz, 100% V
RRM
reapplied
50 Hz, 100% V
RRM
reapplied
60 Hz, 100%V
RRM
reapplied
60 Hz, 100% V
RRM
reapplied
8.3 milliseconds
10 milliseconds
Per JEDEC Standard 397 5.2.2.6
I
T(AV)
I
TSM
I
TSM
I
TSM
I
TSM
It
2
It
di/dt
T
J
T
stg
2
-40 to +130
-40 to +150
55
6
110
12
1500
3.30
3000
V
rms
11/4/1999
LD43__50
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
Dual SCR Isolated Module
500 Amperes / up to 1600
TM
Volts
Electrical Characteristics, T
J
=25
°
C unless otherwise specified
Characteristics
Repetitive Peak Forward Leakage Current
Repetitive Peak Reverse Leakage Current
Peak On-State Voltage
Threshold Voltage, Low-level
Slope Resistance, Low-level
Threshold Voltage, High-level
Slope Resistance, High-level
V
TM
Coefficients, Full Range
Symbol
I
DRM
I
RRM
V
FM
V
(TO)1
r
T1
V
(TO)2
r
T2
Test Conditions
Up to 1600V, T
J
=130
°
C
Up to 1600V, T
J
=130
°
C
I
TM
=1500A
T
J
= 130
°
C, I = 15%I
T(AV)
to
π
I
T(AV)
T
J
= 130
°
C, I =
π
I
T(AV)
to I
TSM
T
J
= 130
°
C, I = 10A to 6kA
V
TM
= A+ B Ln I +C I + D Sqrt I
Minimum dV/dt
Gate Trigger Current
Gate Trigger Voltage
Non-Triggering Gate Voltage
Peak Forward Gate Current
Peak Reverse Gate Voltage
dV/dt
I
GT
V
GT
V
GDM
I
GTM
V
GRM
Exponential to V
DRM
T
j
=130
°
C, Gate Open
T
j
=25
°
C, V
D
=12V
T
j
=25
°
C, V
D
=12V
T
j
=130
°
C, V
D
= ½ V
DRM
A=
B=
C=
D=
1000 Typ.
200
3.0
0.25
4.0
5
Min.
Max.
80
80
1.30
0.81
0.32
0.90
0.26
0.8824
-4.46E-02
8.12E-05
1.54E-02
V/
m
s
mA
Volts
Volts
Amp
Volts
Units
mA
mA
V
V
m
Ω
V
m
Ω
Thermal Characteristics
Characteristics
Thermal Resistance, Junction to Case
Thermal Impedance Coefficients
Symbol
R
Θ
J-C
Z
Q
J-C
Per Module, both conducting
Per Junction, both conducting
Z
Q
J-C
= K
1
(1-exp(-t/
t
1
))
+ K
2
(1-exp(-t/
t
2
))
+ K
3
(1-exp(-t/
t
3
))
Thermal Resistance, Case to Sink Lubricated
R
Θ
C-S
+ K
4
(1-exp(-t/
t
4
))
Per Module
K
1
= 8.03E-04
K
2
= 1.03E-02
K
3
= 1.64E-02
K
4
= 3.75E-02
Max.
0.0325
0.0650
t
1
= 3.39E-04
t
2
= 3.15E-03
t
3
= 0.106
t
4
= 2.066
0.01
°
C/W
Units
°
C/W
°
C/W
11/4/1999
LD43__50
Dual SCR Module
500 Amperes / up to 1600 Volts
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
Maximum On-State Forward Voltage Drop
( Tj = 130 °C )
5.00
LD43N
Maximum Transient Thermal Impedance
(Junction to Case)
.07000
LD43N
On-State Voltage - Vtm - Volts
4.00
.06000
Thermal Impedance - Zjc - °C/W
10
100
1000
10000
100000
.05000
.04000
.03000
.02000
.01000
3.00
2.00
1.00
0.00
.00000
0.0001
0.001
0.01
0.1
1
10
100
Instantaneous On-State Current - Itm - Amperes
Time - t - Seconds
M axim u m O n -S tate P o w er D issip a tio n
(S in u so id al W av efo rm )
700
LD 43N
M axim um Allow able Case T em perature
(Sinusoidal W aveform )
130
180°
125
Max. Case Temperature - Tcase -°C_
600
Max. Power Dissipation Per SCR - Watts
500
60°
400
30°
300
200
0
180
120°
90°
120
115
110
105
100
95
90
85
LD43N
0
180
360
CONDUCTION ANGLE
15°
15°
30°
60°
90°
120°
180°
360
100
0
0
100
200
300
CONDUCTION ANGLE
80
400
500
600
0
100
200
300
400
500
600
A v erag e O n -S tate C u rren t - It(av ) - Am p eres
Average O n-State Current - It(av) - Am peres
Maximum On-State Power Dissipation
(Rectangular Waveform)
900
800
Max. Power Dissipation Per SCR - Watts
700
600
90°
500
400
300
200
0
LD43N
Maximum Allowable Case Temperature
(Rectangular Waveform)
140
270°
360°
180°
120°
Max. Case Temperature - Tcase -°C
130
120
110
100
90
80
70
LD43N
0
CONDUCTION ANGLE
180
360
60°
30°
15°
15°
30°
60°
90°
120°
180°
270°
360°C
100
0
0
100
200
300
400
500
CONDUCTION ANGLE
180
360
60
600
700
800
900
0
100
200
300
400
500
600
700
800
900
Average On-State Current - It(av) - Amperes
Average On-State Current - It(av) - Amperes
11/4/1999
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