Powerex, Inc., Hillis Street , Youngwood, Pennsylv ania 15697 (724) 925-7272 POW-R-BLOKTM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD42__50
Ordering Information:
Select the complete eight-digit
module part number from the table
below.
Example: LD421650 is a 1600Volt,
500 Ampere Dual SCR/Diode
Isolated POW-R-BLOKTM Module.
Type
Voltage
Volts
(x100)
Current
Amperes
(x10)
LD42 08
10
12
14
16
50
LD42__50
Dual SCR/Diode
POW-R-BLOKTM Module
500 Amperes / 800-1600 Volts
LD42 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.
Description:
Powerex Dual SCR/Diode 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
J F
C
B
A
R
L H
Q - DIA. (4 TYP.) P - M10 THD (3 TYP.)
K D
G
M
N
S
E
T - (2 TYP.)
1
2
3
OUTLINE DRAWIN
G
4
5
CONNECTI O N DIAGRAM
12
45
3
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Powerex, Inc., Hillis Street , Youngwood, Pennsylv ania 15697 (724) 925-7272 POW-R-BLOKTM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD42__50
Absolute Maximum Ratings
Characteristics Conditions Symbol Units
Repetitive Peak Forward and Reverse Blocking
Voltage
V
DRM & VRRM up to 1600 V
Non-Repetitive Peak Blocking Voltage
(t < 5 msec)
V
RSM V
RRM + 100 V
RMS Forward Current 180° Conduction, TC=86°C IT(RMS) /IF(RMS) 785 A
Average Forward Current 180° Conduction, TC=86°C IT(AV) /IF(AV) 500 A
Peak One Cycle Surge Current, Non-Repetitive 60 Hz, 100% VRRM reapplied
50 Hz, 100% VRRM reapplied
ITSM/IFSM
ITSM/IFSM
17,000
16,300
A
A
Peak Three Cycle Surge Current, Non-Repetitive 60 Hz, 100%VRRM reapplied ITSM/IFSM 12,250 A
Peak Ten Cycle Surge Current, Non-Repetitive 60 Hz, 100% VRRM reapplied ITSM/IFSM 10,500 A
I2t for Fusing for One Cycle 8.3 milliseconds
10 milliseconds
I2t
I2t
1.20 x 10 6
1.33 x 10 6
A2 sec
A2 sec
Maximum Rate-of-Rise of On-State Current,
(Repetitive)
Per JEDEC Standard 397 5.2.2.6 di/dt 200 A/µs
Operating Temperature TJ -40 to +130 °C
Storage Temperature Tstg -40 to +150 °C
Max. Mounting Torque, M6 Mounting Screw 55
6
in. – Lb.
Nm
Max. Mounting Torque, M10 Terminal Screw 110
12
in. – Lb.
Nm
Module Weight, Typical 1500 g
3.30 lb
V Isolation @ 25C Vrms 3000 V
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Powerex, Inc., Hillis Street , Youngwood, Pennsylv ania 15697 (724) 925-7272 POW-R-BLOKTM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD42__50
Electrical Characteristics, TJ=25°C unless otherwise specified
Characteristics Symbol Test Conditions Min. Max.
Units
Repetitive Peak Forward Leakage Current IDRM Up to 1600V, TJ=130°C 80 mA
Repetitive Peak Reverse Leakage Current IRRM Up to 1600V, TJ=130°C 80 mA
Peak On-State Voltage VTM /VFM I
TM /IFM =1500A 1.30 V
Threshold Voltage, Low-level
Slope Resistance, Low-level
V(TO)1
rT1
TJ = 130°C, I = 15%IT(AV) to πIT(AV) 0.81
0.32
V
mΩ
Threshold Voltage, High-level
Slope Resistance, High-level
V(TO)2
rT2
TJ = 130°C, I = πIT(AV) to ITSM 0.90
0.26
V
mΩ
VTM Coefficients, Full Range
TJ = 130°C, I = 10A to 6kA
VTM /VFM = A+ B Ln I +C I + D Sqrt I
A =
B =
C =
D =
0.8824
-4.46E-02
8.12E-05
1.54E-02
Minimum dV/dt dV/dt Exponential to VDRM
Tj=130°C, Gate Open
1000 Typ. V/µs
Gate Trigger Current IGT T
j=25°C, VD=12V 200 mA
Gate Trigger Voltage VGT T
j=25°C, VD=12V 3.0 Volts
Non-Triggering Gate Voltage VGDM T
j=130°C, VD= ½ VDRM 0.25 Volts
Peak Forward Gate Current IGTM 4.0 Amp
Peak Reverse Gate Voltage VGRM 5 Volts
Thermal Characteristics
Characteristics Symbol
Max. Units
Thermal Resistance, Junction to Case
RΘJ-C Per Module, both conducting
Per Junction, both conducting
0.0325
0.0650
°C/W
°C/W
Thermal Impedance Coefficients
ZΘJ-C Z
ΘJ-C= K1 (1-exp(-t/τ1))
+ K2 (1-exp(-t/τ2))
+ K3 (1-exp(-t/τ3))
+ K4 (1-exp(-t/τ4))
K1 = 8.03E-04
K2 = 1.03E-02
K3 = 1.64E-02
K4 = 3.75E-02
τ1 = 3.39E-04
τ2 = 3.15E-03
τ3 = 0.106
τ4 = 2.066
Thermal Resistance, Case to Sink Lubricated RΘC-S Per Module 0.01 °C/W
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Powerex, Inc., Hillis Street , Youngwood, Pennsylv ania 15697 (724) 925-7272 POW-R-BLOKTM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD42__50
Maximu m Tr ansient Therm al I mped ance
.00000
.01000
.02000
.03000
.04000
.05000
.06000
.07000
0.0001 0.001 0.01 0.1 1 10 100
Time - t - Seconds
Thermal Impedance - Zjc - °C/
W
(Junction to Case, Per Junction)
Maximu m On -S ta te Fo rward Vo l tag e Dro p
0.00
1.00
2.00
3.00
4.00
5.00
10 100 1000 10000 100000
Instantaneous On-State Current - Itm / Ifm - Amperes
On-State Voltage - Vtm / Vfm - Volts
( Tj = 130 °C )
0180 360
CONDUCTION ANGLE
Ma ximu m On-S ta te P ow er D iss ip atio n
15° 30°
60°
90°
120°
180°
0
100
200
300
400
500
600
700
0 100 200 300 400 500 600
Aver ag e O n -State Curren t - It(av)/ If(av)- Amperes
Max. Power Dissipation Per Junction - Watts
(Sinusoidal Waveform)
0180 360
CONDUCTION ANGLE
Maxi mu m Allo w able C ase Tem peratu re
120°
90°
60°
30°
15°
180°
80
85
90
95
100
105
110
115
120
125
130
0 100 200 300 400 500 600
Ave rag e O n- S ta te Cu r re nt - It (a v) / If (a v) - Ampe res
Max. Case Temperature - Tcase -°C
_
(Sinusoidal Waveform)
0180 360
CONDUCTION ANGLE
Maximum On-S tate Power Di ssipation
90°
60°
30°
120°
180°
270°
15°
360°
0
100
200
300
400
500
600
700
800
900
0 200 400 600 800 1000
A verage On-State C u rrent - I t(av) / I f(av) - Amperes
Max. Power Dissipation Per Junction - Watts
(Rectangular Waveform)
0180 360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°90°
60°
30°
15°
360°C
60
70
80
90
100
110
120
130
140
0 200 400 600 800 1000
Aver ag e O n-State Cu rr en t - I t(av) / I f(av ) - Amper es
Max. Case Temperature - Tcase -°
C
(R ectangul ar Wav eform)
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Powerex, Inc., Hillis Street , Youngwood, Pennsylv ania 15697 (724) 925-7272 POW-R-BLOKTM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD42__50
Six-Pulse Bridge Circuit Total Power Dissipation & Maximum Rated Output Current With Sink to Ambient
Resistance of Heatsink as a Parameter.
Total Power Dissipation vs Maximum Rated Output Current
0
500
1000
1500
2000
2500
3000
3500
4000
0 200 400 600 800 1000 1200 1400
Maximum Bridge Output Current (A)
0
500
1000
1500
2000
2500
3000
3500
4000
Total Power Dissipation (W)
Powerex LD42--50 Pow-R-Blok 6-Pulse Bridge
0
500
1000
1500
2000
2500
3000
3500
4000
10 30 50 70 90 110 130
Ambient Temperature (C)
Total Power Dissipation (W)
0.30
0.20
0
.1
5
0.12
0.10
0.08
0.06
0.05
0.04
0.03
0.025
0.02
0.015 0.01 Rth S-A (C/W)
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