PRELIMINARY
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
LDR3__54
POW-R-BLOKTM
Dual SCR Isolated Module
540 Amperes / Up to 1800 Volts
OUTLINE DRAWING
LDR3__54
Dual SCR
POW-R-BLOKTM Module
540 Amperes / 800-1800 Volts
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.
Features:
Ordering Information:
LDR3 Outline Dimensions
Select the complete eight-digit
module part number from the table
below.
Example: LDR31654 is a 1600V,
540 Ampere Dual SCR Isolated
TM
POW-R-BLOK Module.
Type
LDR3
Voltage
Volts
(x100)
Current
Amperes
(x10)
08
10
12
14
16
18
54
Dimension
Inches
Millimeters
A
5.87
149
B
4.88
124
C
4.41
112
D
2.36
60
E
2.05
52
F
1.97
50
G
1.89
48
H
1.73
44
J
1.22
31
K
1.10
28
L
1.02
26
M
0.67
17
N
0.39
10
P
M10 Metric
M10
Q
0.26 Dia.
6.5 Dia.
R
0.20
5
S
0.12
3
T
.110 x .032
2.8 x 0.8
Electrically Isolated Heatsinking
Compression Bonded Elements
Metal Baseplate
Low Thermal Impedance
for Improved Current Capability
Includes Gate Lead Kits and
M10 Terminal Hardware
UL Recognition Pending
RoHS Compliant
Benefits:
No Additional Insulation
Components Required
Easy Installation
No Clamping Components
Required
Reduce Engineering Time
Applications:
Bridge Circuits
AC & DC Motor Drives
Battery Supplies
Power Supplies
Large IGBT Circuit Front Ends
Note: Dimensions are for reference only.
Revision Date: 6/8/2017
PRELIMINARY
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
LDR3__54
POW-R-BLOKTM
Dual SCR Isolated Module
540 Amperes / Up to 1800 Volts
Absolute Maximum Ratings
Characteristics
Conditions
Repetitive Peak Forward and Reverse Blocking
Voltage
Symbol
Units
VDRM & VRRM
up to 1800
V
VRSM
VRRM + 100
V
845
A
Non-Repetitive Peak Blocking Voltage
(t < 5 msec)
RMS Forward Current
180° Conduction, TC=85°C, 50 Hz
IT(RMS)
Average Forward Current
180° Conduction, TC=85°C, 50 Hz
IT(AV)
540
A
60 Hz, 0V reapplied, Tj= Tj max
ITSM
17,000
A
60 Hz, 0V reapplied, Tj= 25 °C
ITSM
20,000
A
A
Peak One Cycle Surge Current, Non-Repetitive
2
I t for Fusing for One Cycle
50 Hz, 0V reapplied Tj= Tj max
ITSM
15,500
50 Hz, 0V reapplied, Tj= 25 °C
ITSM
18,000
60 Hz, 0V reapplied, Tj= Tj max
2
It
1.19 x 10
60 Hz, 0V reapplied, Tj= 25 °C
It
2
1.66 x 10
50 Hz, 0V reapplied Tj= Tj max
2
It
1.20 x 10
2
1.62 x 10
4
A
6
6
6
6
2
A sec
2
A sec
2
A sec
50 Hz, 0V reapplied, Tj= 25 °C
It
PG(AV)
T= Tj max, VD= 0.67 VDRM,
ITM= 2 ITAV,
Gate Pulse: IG= 2 A, tGP= 50 µs,
diG/dt>= 1 A/µs
di/dt
400
A/µs
Operating Temperature
TJ
-40 to +130
°C
Storage Temperature
Tstg
-40 to +125
°C
55
6
110
12
1.5
in. – Lb.
Nm
in. – Lb.
Nm
kg
3.30
lb
3000
V
Average Forward Gate Power
Maximum Rate-of-Rise of On-State Current,
(Repetitive)
Max. Mounting Torque, M6 Mounting Screw
Max. Mounting Torque, M10 Terminal Screw
Module Weight, Typical
V Isolation @ 25C
t= 1 minute, 50 Hz
Vrms
2
A sec
W
Information presented is based upon manufacturers testing and projected capabilities.
This information is subject to change without notice.
The manufacturer makes no claim as to the suitability of use, reliability, capability,
or future availability of this product.
Revision Date: 6/8/2017
PRELIMINARY
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
LDR3__54
POW-R-BLOKTM
Dual SCR Isolated Module
540 Amperes / Up to 1800 Volts
Electrical Characteristics, TJ=25°C unless otherwise specified
Characteristics
Symbol
Test Conditions
Repetitive Peak Forward Leakage Current
IDRM
VD= VDRM, , TJ=130°C
70
mA
Repetitive Peak Reverse Leakage Current
IRRM
VR= VRRM, TJ=130°C
70
mA
VFM
ITM=1570A
1.50
V
V(TO)1
rT1
TJ = 130°C, I = 0.5 πIT(AV) to 1.5 πIT(AV)
0.85
0.32
V
mΩ
Peak On-State Voltage
Threshold Voltage, Low-level
Slope Resistance, Low-level
VTM Coefficients, Full Range
Min.
TJ = 130°C, I = 0.5 πIT(AV) to 1.5 πIT(AV)
VTM = A+ B Ln I +C I + D Sqrt I
Critical Rate of Rise of Off-State Voltage
Gate Trigger Current
A=
B=
C=
D=
Max.
Units
1.2779
-0.1106
2.12E-04
1.41E-02
dV/dt
VD= 0.67 VDRM , Tj=130°C, Gate Open
1000
V/µs
IGT
Tj=25°C, VD=12V
250
mA
Gate Trigger Voltage
VGT
Tj=25°C, VD=12V
2.5
V
Non-Triggering Gate Voltage
VGDM
Tj=130°C, VD= 0.67 VDRM
0.25
V
Peak Forward Gate Current
IGTM
4.0
A
Peak Reverse Gate Voltage
VGRM
Latching Current
IL
Tj= 25 °C, VD= 12 V,
5
V
1000
mA
Gate Pulse: IG= 2 A, tGP= 50 µs, diG/dt>=
1 A/µs
Holding Current
IH
Tj= 25 °C, VD= 0.67 VDRM, Gate Open
300
mA
Turn-Off Time
tq
Itm=ITAV, dI/dt=10 A/us, dVD/dt=50 V/us,
o
VD=0.67 Vdrm, VR= 100 V, Tj=130 C
250
µs
Thermal Characteristics
Characteristics
Symbol
Max.
Units
0.0325
0.0650
°C/W
°C/W
Thermal Resistance, Junction to Case
RΘJ-C
Per Module, both conducting
Per Junction, both conducting
Thermal Impedance Coefficients
ZΘJ-C
ZΘJ-C= K1 (1-exp(-t/1))
K1 = 7.42E-04
1 = 3.33E-04
+ K2 (1-exp(-t/2))
K2 = 9.52E-04
2 = 4.74E-03
+ K3 (1-exp(-t/3))
K3 = 1.02E-02
3 = 9.60E-02
+ K4 (1-exp(-t/4))
Per Module
K4 = 5.23E-02
4 = 1.719
0.01
Thermal Resistance, Case to Sink Lubricated
RΘC-S
°C/W
Revision Date: 6/8/2017
PRELIMINARY
LDR3__54
POW-R-BLOKTM
Dual SCR Isolated Module
540 Amperes / Up to 1800 Volts
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
Maximum Transient Thermal Impedance
Maximum On-State Forward Voltage Drop
(Junction to Case)
( Tj = 130 °C )
0.07
Thermal Impedance - Rjc - °C/W
On-State Voltage - Vtm - Volts
5
4
3
2
0.06
0.05
0.04
0.03
0.02
1
0.01
0
100
1000
10000
0
0.001
100000
0.01
0.1
Instantaneous On-State Current - Itm - Amperes
(Sinusoidal Waveform)
100
(Sinusoidal Waveform)
140
180°
700
Max. Case Temperature - Tcase - °C
Maximum Power Dissipation Per Diode - Watts
10
Maximum Allowable Case Temperature
Maximum On-State Power Dissipation
800
120°
600
90°
60°
500
30°
400
15°
300
200
130
120
110
15°
100
30°
60°
90
90°
120°
180°
80
100
0
70
0
100
200
300
400
500
600
0
100
200
400
500
Average On-State Current - If(av) - Amperes
Maximum On-State Power Dissipation
Maximum Allowable Case Temperature
140
360°
900
130
Max. Case Temperature - Tcase - °C
270°
800
180°
700
120°
90°
600
60°
500
15°
600
(Rectangular Waveform)
1000
400
300
Average On-State Current - If(av) - Amperes
(Rectangular Waveform)
Maximum Power Dissipation Per Diode - Watts
1
Time - t - Seconds
30°
300
200
120
110
100
15°
30°
90
60°
90°
80
120°
180°
270°
70
360° (DC)
60
100
0
50
0
100
200
300
400
500
600
700
Average On-State Current - If(av) - Amperes
800
900
0
100
200
300
400
500
600
700
800
Average On-State Current - If(av) - Amperes
Revision Date: 6/8/2017
900