ND47__25
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
OUTLINE DRAWING
T - M8 THD. (3 TYP.)
M
K
U - DIA. (4 TYP.)
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.
TM
POW-R-BLOK
has been tested and
recognized by the Underwriters
Laboratories.
ND47__25
Dual SCR/Diode Isolated
POW-R-BLOK
TM
Module
250 Amperes / 600-1600 Volts
A
G J
G2
K2
AK
N
K
C
B
A
V
P
D E
L
R
Q
W
S
W
F
H
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
DIODE 1
K
AK
SCR 2
A
G2
K2
CONNECTION DIAGRAM
ND47 Outline Dimensions
Dimension
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
S
T
U
V
W
Inches
4.57
3.66
3.15
2.17
2.06
2.07
1.97
1.90
1.50
1.38
1.26
1.122
.71
.57
.625
.394
.350
M8 Metric
.250 Dia.
.110 x .032
.12
Millimeters
116
93
80.0
55.1
52.3
52.0
50.0
48.3
38.1
35.0
32.0
28.5
18.0
14.5
15.9
10.00
8.9
M8
6.35 Dia.
2.8 x 0.8
3.0
Ordering Information:
Select the complete eight digit
module part number from the table
below.
Example: ND471625 is a 1600Volt,
250 Ampere Dual SCR/Diode
TM
Isolated
POW-R-BLOK
Module
Benefits:
No Additional Insulation
Components Required
Easy Installation
No Clamping Components
Required
Reduce Engineering Time
Type
ND47
Voltage
Volts
(x100)
06
08
10
12
14
16
Current
Amperes
(x 10)
25
Applications:
Bridge Circuits
AC & DC Motor Drives
Battery Supplies
Power Supplies
Large IGBT Circuit Front Ends
Note: Dimensions are for reference only.
Revision Date: 05/17/2010
ND47__25
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
Absolute Maximum Ratings
Characteristics
Repetitive Peak Forward and Reverse Blocking
Voltage
Non-Repetitive Peak Reverse 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, 8.3 milliseconds
Maximum Rate-of-Rise of On-State Current,
(Non-Repetitive)
Peak Gate Power Dissipation
Average Gate Power Dissipation
Peak Forward Gate Current
Peak Forward Gate Voltage
Peak Reverse Gate Voltage
Operating Temperature
Storage Temperature
Max. Mounting Torque, M6 Mounting Screw
Max. Mounting Torque, M8 Terminal Screw
Module Weight, Typical
V Isolation @ 25C
V
rms
T
j
=25°C, I
G
=500mA,
V
D
=0.67 V
DRM (Rated),
I
TM
=
πI
T(AV)
,
T
r
< 0.5µ
s
, t
p
> 6µs
P
GM
P
G(AV)
I
GFM
V
GFM
V
GRM
T
J
T
stg
16
3
4
10
5
-40 to +130
-40 to +150
45
5
110
12
840
1.85
2500
W
W
A
V
V
°C
°C
in.-Lb.
Nm
in.-Lb.
Nm
g
lb
V
2
Conditions
Symbol
V
DRM
& V
RRM
V
RSM
up to 1600
1600
393
250
8800
4685
4040
320,000
800
Units
V
V
A
A
A
A
A
A sec
A/µs
2
180° Conduction, T
C
=89°C
180° Conduction, T
C
=89°C
60 Hz, 100% V
RRM
reapplied
60 Hz, 100%V
RRM
reapplied
60 Hz, 100% V
RRM
reapplied
I
T(RMS)
I
T(AV)
/I
F(AV)
I
TSM
/I
FSM
I
TSM
/I
FSM
I
TSM
/I
FSM
It
di/dt
2
Revision Date: 05/17/2010
ND47__25
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 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
TM
/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
/I
FM
=625A
T
J
= 130°C, I = 15%I
T(AV)
to
πI
T(AV)
T
J
= 130°C, I =
πI
T(AV)
to I
TSM
T
J
= 130°C, I = 15%I
T(AV)
to I
TSM
V
TM
/V
FM
= A+ B Ln I +C I + D Sqrt I
Minimum dV/dt
Turn-On Time (Typical)
Turn-Off Time (Typical)
dV/dt
t
on
t
off
Exponential to 2/3 V
DRM
T
j
=130°C, Gate Open
I
TM
= 100A, V
D
= 100V
T
J
= 130°C, I
T
= 250A
Re-Applied dV/dt = 20V/µs
Linear to 0.8 V
DRM
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=
500
7
150
(Typical)
(Typical)
Min.
Max.
50
50
1.30
0.819
0.589
0.47
0.731
0.5849
0.1060
9.25 E-4
-0.0286
V/µs
µs
µs
Units
mA
mA
V
V
mΩ
V
mΩ
Gate Trigger Current
Gate Trigger Voltage
Non-Triggering Gate Voltage
I
GT
V
GT
V
GDM
150
3.0
0.15
mA
Volts
Volts
Thermal Characteristics
Characteristics
Thermal Resistance, Junction to Case
Thermal Impedance Coefficients
Symbol
R
ΘJ-C
Z
Θ
J-C
Per Module, both conducting
Per Junction both conducting
Z
Θ
J-C
= K
1
(1-exp(-t/τ
1
))
+ K
2
(1-exp(-t/τ
2
))
+ K
3
(1-exp(-t/τ
3
))
Thermal Resistance, Case to Sink Lubricated
R
ΘC-S
+ K
4
(1-exp(-t/τ
4
))
Per Module
K
1
= 5.27E-3
K
2
= 1.17E-2
K
3
= 5.26E-2
K
4
= 6.97E-2
Max.
0.07
0.14
τ
1
= 1.69E-4
τ
2
= 2.07E-2
τ
3
= 2.37E-1
τ
4
= 2.46
0.03
°C/W
Units
°C/W
°C/W
Revision Date: 05/17/2010
ND47__25
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
Maximum On-State Forward Voltage Drop
( Tj = 130 °C )
5.00
0.14
0.12
Maximum Transient Thermal Impedance
(Junction to Case, Per Junction)
On-State Voltage - Vtm/Vfm - Volts
Thermal Impedance - Rjc - °C/W
4.00
0.1
0.08
0.06
0.04
0.02
0
3.00
2.00
1.00
0.00
10
100
1000
10000
0.001
0.01
0.1
1
10
100
Instantaneous On-State Current - Itm/Ifm - Amperes
Time - t - Seconds
M axim u m O n -S tate P o w e r D issip atio n
300
Max. Power Dissipation Per Junction - Watts
(S in u so id a l W av efo rm )
180°
250
60°
200
30°
150
15°
120°
90°
Maximum Allowable Case Temperature
(Sinusoidal Waveform)
130
125
Max. Case Temperature - Tcase -°C
120
115
110
105
100
95
90
85
15°
30°
60°
90°
120°
180°
0
180
360
CONDUCTION ANGLE
100
0
180
360
50
CONDUCTION ANGLE
0
0
50
100
150
200
250
300
A v erag e O n -S tate C u rren t - It / If (av ) - A m p eres
80
0
50
100
150
200
250
300
Average On-State Current - It / If (av) - Amperes
Maximum On-State Power Dissipation
(Rectangular Waveform)
400
270°
Max. Power Dissipation Per Junction - Watts
350
180°
300
250
200
15°
150
100
0
Maximum Allowable Case Temperature
(Rectangular Waveform)
130
360°
120°
90°
60°
30°
Max. Case Temperature - Tcase -°C
120
110
100
90
80
70
30°
15°
60° 90°
120°
180°
270°
0
100
200
300
360°
400
500
0
180
360
CONDUCTION ANGLE
50
0
0
50
100
150
200
250
CONDUCTION ANGLE
180
360
300
350
400
450
Average On-State Current - It / If (av) - Amperes
Average On-State Current - It / If (av) - Amperes
Revision Date: 05/17/2010
ND47__25
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
www.pwrx.com
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
Powerex
ND47--25
Pow-R-Blok
6-Pulse Bridge
2000
0.02
0.015
0.01
2000
0.025
0.03
Rth S-A (C/W)
1800
1600
0.04
1400
0.05
1200
1000
800
600
400
200
0
Total Power Dissipation vs Maximum Rated Output Current
2000
1800
1600
Total Power Dissipation (W)
1800
1600
Total Power Dissipation (W)
1400
1400
1200
1000
800
600
400
200
0
800
1200
0.06
1000
800
0.08
0.10
0.12
600
0.15
400
200
0
10
30
50
70
90
110
130
Ambient Temperature (C)
0.20
0.30
0
100
200
300
400
500
600
700
Maximum Bridge Output Current (A)
Six-Pulse Bridge Circuit Total Power Dissipation & Maximum Rated Output Current With Sink to Ambient
Resistance of Heatsink as a Parameter.
Revision Date: 05/17/2010
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