Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD47__50
Ordering Information
:
Select the complete eight-digit
module part number from the table
below.
Example: LD471650 is a 1600Volt,
500 Ampere Dual SCR/Diode
Isolated
POW-R-BLOK
TM
Module.
Type
Voltage
Volts
(x100)
Current
Amperes
(x10)
LD47 06
08
10
12
14
16
50
LD47__50
Dual SCR/Diode
POW-R-BLOK
TM
Module
500 Amperes / 800-1600 Volts
LD47 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-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
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 DRAWING
6
7
CONNECTION DIAGRAM
1
2
3
6
7
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD47__50
Absolute Maximum Ratings
Characteristics Conditions
Symbol
Units
Repetitive Peak Forward and Reverse Blocking
Voltage
V
DRM
& V
RRM
up to 1600
V
Non-Repetitive Peak Blocking Voltage
(t < 5 msec)
V
RSM
V
RRM
+ 100
V
RMS Forward Current
180 Conduction, T
C
=86C I
T(RMS)
/I
F(RMS)
785
A
Average Forward Current
180 Conduction, T
C
=86C I
T(AV)
/I
F(AV)
500
A
Peak One Cycle Surge Current, Non-Repetitive
60 Hz, 100% V
RRM
reapplied
50 Hz, 100% V
RRM
reapplied
I
TSM
/I
FSM
I
TSM
/I
FSM
17,000
16,300
A
A
Peak Three Cycle Surge Current, Non-Repetitive
60 Hz, 100%V
RRM
reapplied
I
TSM
/I
FSM
12,250 A
Peak Ten Cycle Surge Current, Non-Repetitive
60 Hz, 100% V
RRM
reapplied
I
TSM
/I
FSM
10,500 A
I
2
t for Fusing for One Cycle
8.3 milliseconds
10 milliseconds
I
2
t
I
2
t
1.20 x 10
6
1.33 x 10
6
A
2
sec
A
2
sec
Maximum Rate-of-Rise of On-State Current,
(Repetitive)
Per JEDEC Standard 397 5.2.2.6
di/dt
200
A/s
Operating Temperature
T
J
-40
to
+130 C
Storage Temperature
T
stg
-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
V
rms
3000 V
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD47__50
Electrical Characteristics, T
J
=25C unless otherwise specified
Characteristics Symbol
Test
Conditions
Min.
Max.
Units
Repetitive Peak Forward Leakage Current
I
DRM
Up to 1600V, T
J
=130C
80
mA
Repetitive Peak Reverse Leakage Current
I
RRM
Up to 1600V, T
J
=130C
80
mA
Peak On-State Voltage
V
TM
/V
FM
I
TM
/I
FM
=1500A
1.30
V
Threshold Voltage, Low-level
Slope Resistance, Low-level
V
(TO)1
r
T1
T
J
= 130C, I = 15%I
T(AV)
to
I
T(AV)
0.81
0.32
V
m
Threshold Voltage, High-level
Slope Resistance, High-level
V
(TO)2
r
T2
T
J
= 130C, I =
I
T(AV)
to I
TSM
0.90
0.26
V
m
V
TM
Coefficients, Full Range
T
J
= 130C, I = 10A to 6kA
V
TM
/V
FM
= 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 V
DRM
T
j
=130C, Gate Open
1000 Typ.
V/s
Gate Trigger Current
I
GT
T
j
=25C, V
D
=12V
200
mA
Gate Trigger Voltage
V
GT
T
j
=25C, V
D
=12V
3.0
Volts
Non-Triggering Gate Voltage
V
GDM
T
j
=130C, V
D
= V
DRM
0.25
Volts
Peak Forward Gate Current
I
GTM
4.0
Amp
Peak Reverse Gate Voltage
V
GRM
5
Volts
Thermal Characteristics
Characteristics Symbol
Max.
Units
Thermal Resistance, Junction to Case
R
J-C
Per Module, both conducting
Per Junction, both conducting
0.0325
0.0650
C/W
C/W
Thermal Impedance Coefficients
Z
J-C
Z
J-C
= K
1
(1-exp(-t/
1
))
+ K
2
(1-exp(-t/
2
))
+ K
3
(1-exp(-t/
3
))
+ K
4
(1-exp(-t/
4
))
K
1
= 8.03E-04
K
2
= 1.03E-02
K
3
= 1.64E-02
K
4
= 3.75E-02
1
= 3.39E-04
2
= 3.15E-03
3
= 0.106
4
= 2.066
Thermal Resistance, Case to Sink Lubricated
R
C-S
Per Module
0.01
C/W
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD47__50
Maximum Transient Thermal Impedance
.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)
Maximum On-State Forward Voltage Drop
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 )
0
180
360
CONDUCTION ANGLE
M axim um O n-State Pow er Dissipation
15
30
60
90
120
180
0
100
200
300
400
500
600
700
0
100
200
300
400
500
600
Average On-State C urrent - It(av)/ If(av)- Am peres
M
a
x
.
Pow
e
r
D
i
s
s
i
pa
t
i
on Pe
r
J
unc
t
i
on -
Wa
t
t
s
(Sinusoidal W aveform )
0
180
360
CONDUCTION ANGLE
M aximum Allowable Case T em perature
120
90
60
30
15
180
80
85
90
95
100
105
110
115
120
125
130
0
100
200
300
400
500
600
Average On-State Current - It(av)/ If(av) - Am peres
M
ax.
C
ase Tem
p
er
at
ur
e -
Tcase -
C
_
(Sinusoidal Waveform )
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
90
60
30
120
180
270
15
360
0
100
200
300
400
500
600
700
800
900
0
100
200
300
400
500
600
700
800
900
Average On-State Current - It(av) / If(av) - Amperes
M
ax.
Pow
e
r
Di
ssi
pat
i
on Per
Junct
i
on -
W
a
t
t
s
(Rectangular Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270
180
120
90
60
30
15
360C
60
70
80
90
100
110
120
130
140
0
100
200
300
400
500
600
700
800
900
Average On-State Current - It(av) / If(av) - Amperes
Max. Case T
e
m
p
erat
u
r
e -
T
case -
C
(Rectangular Waveform)
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD47__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
Tot
a
l Power Dissipat
i
on
(W
)
Powerex
LD47--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 P
o
w
e
r
D
i
ss
i
pati
on (
W
)
0.30
0.20
0.15
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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