Page 1
Powerex, Inc., Hillis S treet, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
ND47__25
ND47 Outline Dimensions
Dimension Inches Millimeters
A 4.57 116
B 3.66 93
C 3.15 80.0
D 2.17 55.1
E 2.06 52.3
F 2.07 52.0
G 1.97 50.0
H 1.90 48.3
J 1.50 38.1
K 1.38 35.0
L 1.35 34.3
M 1.122 28.5
N .71 18.0
P .57 14.5
Q .625 15.9
R .394 10.00
S .350 8.9
T M8 Metric M8
U .22 Dia. 5.6 Dia.
V .110 x .032 2.8 x 0.8
W .12 3.0
Note: Dimensions are for reference only.
ND47__25
Dual SCR/Diode Isolated
POW-R-BLOK
TM
Module
250 Amperes / 600-1600 Volts
Ordering Information
:
Select the complete eight digit
module part number from the table
below.
Example: ND471625 is a 1600Volt,
250 Ampere Dual SCR/Diode
Isolated
POW-R-BLOK
TM
Module
Type
Voltage
Volts
(x100)
Current
Amperes
(x 10)
ND47 06
08
10
12
14
16
25
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 Insulator
T Compression Bonded Elements
T Metal Baseplate
T Low Thermal Impedance
for Improved Current Capability
T Quick Connect Gate Terminal
with Provision for Keyed Mating
Plug
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
CONNECTION DIAGRAM
A
K2
G2
K
AK
DIODE 1
SCR 2
M K
G
A
B
N
R
V
T - M8 THD. (3 TYP.)
U - DIA. (4 TYP.)
OUTLINE DRAWING
A
K
AK
J
C
S
P
Q
F
H
W
L
D
E
G2
K2
W
Page 2
Powerex, Inc., Hillis S treet, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
ND47__25
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 Reverse Blocking Voltage
(t < 5 msec)
V
RSM
1600 V
RMS Forward Current 180° Conduction, TC=89°C I
T(RMS)
393
A
Average Forward Current 180° Conduction, TC=89°C I
T(AV) /IF(AV)
250 A
Peak One Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
RRM
reapplied I
TSM/IFSM
8800 A
Peak Three Cycle Surge Current, Non-Repetitive 60 Hz, 100%V
RRM
reapplied I
TSM/IFSM
4685 A
Peak Ten Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
RRM
reapplied I
TSM/IFSM
4040 A
I2t for Fusing for One Cycle, 8.3 milliseconds I2t 320,000 A2 sec
Maximum Rate-of-Rise of On-State Current,
(Non-Repetitive)
T
j
=25°C, IG=500mA,
V
D
=0.67 V
DRM (Rated), ITM
= πI
T(AV)
,
T
r
< 0.5µs, tp > 6µs
di/dt 800 A/µs
Peak Gate Power Dissipation PGM 16 W
Average Gate Power Dissipation P
G(AV)
3 W
Peak Forward Gate Current I
GFM
4 A
Peak Forward Gate Voltage V
GFM
10 V
Peak Reverse Gate Voltage V
GRM
5 V
Operating Temperature TJ -40 to +130 °C
Storage Temperature T
stg
-40 to +150 °C
Max. Mounting Torque, M6 Mounting Screw 45
5
in.-Lb.
Nm
Max. Mounting Torque, M8 Terminal Screw 110
12
in.-Lb.
Nm
Module Weight, Typical 840 g
1.85 lb
V Isolation @ 25C V
rms
2500 V
Page 3
Powerex, Inc., Hillis S treet, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
ND47__25
Electrical Characteristics, TJ=25°C unless otherwise specified
Characteristics Symbol Test Conditions Min. Max.
Units
Repetitive Peak Forward Leakage Current I
DRM
Up to 1600V, TJ=130°C 50 mA
Repetitive Peak Reverse Leakage Current I
RRM
Up to 1600V, TJ=130°C 50 mA
Peak On-State Voltage V
TM /VFM
I
TM /IFM
=625A 1.30 V
Threshold Voltage, Low-level
Slope Resistance, Low-level
V
(TO)1
r
T1
T
J
= 130°C, I = 15%I
T(AV)
to πI
T(AV)
0.819
0.589 V mΩ
Threshold Voltage, High-level
Slope Resistance, High-level
V
(TO)2
r
T2
T
J
= 130°C, I = πI
T(AV)
to I
TSM
0.47
0.731 V mΩ
VTM Coefficients, Full Range
TJ = 130°C, I = 15%I
T(AV)
to I
TSM
V
TM
/VFM = A+ B Ln I +C I + D Sqrt I
A =
B =
C =
D =
0.5849
0.1060
9.25 E-4
-0.0286
Minimum dV/dt dV/dt Exponential to 2/3 V
DRM
T
j
=130°C, Gate Open
500 V/µs
Turn-On Time (Typical) ton I
TM
= 100A, VD = 100V 7 (Typical) µs
Turn-Off Time (Typical) t
off
T
J
= 130°C, IT= 250A
Re-Applied dV/dt = 20V/µs
Linear to 0.8 V
DRM
150 (Typical) µs
Gate Trigger Current IGT T
j
=25°C, VD=12V 150 mA
Gate Trigger Voltage VGT T
j
=25°C, VD=12V 3.0 Volts
Non-Triggering Gate Voltage V
GDM
T
j
=130°C, VD= ½ V
DRM
0.15 Volts
Thermal Characteristics
Characteristics Symbol
Max. Units
Thermal Resistance, Junction to Case
R
ΘJ-C
Per Module, both conducting
Per Junction both conducting
0.07
0.14
°C/W
°C/W
Thermal Impedance Coefficients
Z
Θ
J-C
Z
Θ
J-C
= K1 (1-exp(-t/
τ
1
))
+ K
2
(1-exp(-t/
τ
2
))
+ K
3
(1-exp(-t/
τ
3
))
+ K
4
(1-exp(-t/
τ
4
))
K
1
= 5.27E-3
K2 = 1.17E-2
K3 = 5.26E-2
K4 = 6.97E-2
τ
1
= 1.69E-4
τ2
= 2.07E-2
τ3
= 2.37E-1
τ4
= 2.46
Thermal Resistance, Case to Sink Lubricated
R
ΘC-S
Per Module 0.03 °C/W
Page 4
Powerex, Inc., Hillis S treet, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
ND47__25
Maximum On-State Forward Voltage Drop
0.00
1.00
2.00
3.00
4.00
5.00
10 100 1000 10000
Instantaneous On-State Current - Itm/Ifm - Amperes
On-State Voltage - Vtm/Vfm - Volts
( Tj = 130 °C )
Maximum Transient Thermal Impedance
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.001 0.01 0.1 1 10 100
Time - t - Seconds
Thermal Impedance - Rjc - °C/W
(Junction to Case, Per Junction)
0
180
360
CONDUCTION ANGLE
Ma ximu m O n -S ta te P o w er Diss ip atio n
15°
30°
60°
90°
120°
180°
0
50
100
150
200
250
300
0 50 100 150 200 250 300
Averag e O n-State C u rren t - It / If (av) - A m peres
Max. Power Dissipation Per Junction - Watts
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temp erature
120°
90°
60°
30°
15°
180°
80
85
90
95
100
105
110
115
120
125
130
0 50 100 150 200 250 300
Average On-State Current - It / If (av) - Amperes
Max. Case Temperature - Tcase -°
C
(Sinusoi da l Wa v ef o rm)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
90°
60°
30°
120°
180°
270°
15°
360°
0
50
100
150
200
250
300
350
400
0 50 100 150 200 250 300 350 400 45 0
Average On-State Current - It / If (av) - Amperes
Max. Power Dissipation Per Junction - Watt s
(Rectangular Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°
90°
60°
30°
15°
360°
70
80
90
100
110
120
130
0 100 200 300 400 500
Average On-State Current - It / If (av) - Amperes
Max. Case Temperature - Tcase -°
C
(R ect angular Wav ef orm)
Page 5
Powerex, Inc., Hillis S treet, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
ND47__25
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
200
400
600
800
1000
1200
1400
1600
1800
2000
0 100 200 300 400 500 600 700 800
Maximum Bridge Output Current (A)
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Total Power Dissipation (W)
Powerex
ND47--25
Pow-R-Blok
6-Pulse Bridge
0
200
400
600
800
1000
1200
1400
1600
1800
2000
10 30 50 70 90 110 130
Ambient Temperature (C)
Total Power Dissipation (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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