Powerex ND42__21 Data Sheet
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOK
www.pwrx.com Dual SCR/Diode Isolated Module
210 Amperes / Up to 2000 Volts
OUTLINE DRAWING
M K
A
K1
G1
J
G
G2
K2
C
B
V
P
D
E
K1
G1
A
CONNECTION DIAGRAM
T - M8 THD. (3 TYP.)
K
A
Q
SCR 1
K
DIODE 2
U - DIA. (4 TYP.)
AK
S
W
R
N
W
AK
ND42__21
F
H
L
Dual SCR/Diode Isolated
POW-R-BLOK
210 Amperes / Up to 2000 Volts
TM
Module
ND42 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 1.26 32.0
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 .250 Dia. 6.35 Dia.
V .110 x .032 2.8 x 0.8
W .12 3.0
Note: Dimensions are for reference only.
Ordering Information:
Select the complete eight digit
module part number from the table
below.
Example: ND422021 is a 2000Volt,
210 Ampere Dual SCR Isolated
POW-R-BLOK
TM
Module
Type
ND42 08
Voltage
Volts
(x100)
10
12
14
16
18
20
Current
Amperes
(x 10)
21
ND42__21
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
recognized by the Underwriters
Laboratories.
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 (E78240)
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
TM
TM
has been tested and
Revision Date: 05/17/2010
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Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOK
ND42__21
TM
www.pwrx.com Dual SCR/Diode Isolated Module
210 Amperes / Up to 2000 Volts
Absolute Maximum Ratings
Characteristics Conditions Symbol Units
Repetitive Peak Forward and Reverse Blocking
Voltage
Non-Repetitive Peak Reverse Blocking Voltage
(t < 5 msec)
RMS Forward Current 180° Conduction, TC=92°C I
verage Forward Current 180° Conduction, TC=92°C I
Peak One Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
60 Hz, No V
60 Hz, 100% V
60 Hz, No V
Peak Three Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
Peak Ten Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
I2t for Fusing for One Cycle, 8.3 milliseconds 60 Hz, 100% V
60 Hz, 100% V
Maximum Rate-of-Rise of On-State Current,
(Non-Repetitive)
V
D
T
=25°C, IG=500mA,
j
=0.67 V
T
Peak Gate Power Dissipation PGM 16 W
verage Gate Power Dissipation P
Peak Forward Gate Current I
Peak Forward Gate Voltage V
Peak Reverse Gate Voltage V
Operating Temperature TJ -40 to +130 °C
Storage Temperature T
Max. Mounting Torque, M6 Mounting Screw 45
Max. Mounting Torque, M8 Terminal Screw 110
Module Weight, Typical 840 G
1.85 Lb
V Isolation @ 25C V
V
V
& V
DRM
RRM
V
RSM
T(RMS)
210 A
T(AV)
reapplied,Tj=130C
RRM
reapplied,Tj=130C
RRM
reapplied,Tj=25C
RRM
reapplied,Tj=25C
RRM
reapplied,Tj=130C I
RRM
reapplied,Tj=130C I
RRM
reapplied,Tj=130C
RRM
reapplied,Tj=25C
RRM
I
TSM
I
TSM
I
TSM
I
TSM
4685 A
TSM
4040 A
TSM
2
t
I
2
I
t
di/dt 800 A/µs
DRM (Rated), ITM
= πI
T(AV)
,
< 0.5µs, tp > 6µs
3 W
G(AV)
4 A
GFM
10 V
GFM
5 V
GRM
-40 to +150 °C
stg
2500 V
rms
up to 2000 V
+ 100 V
RRM
330
8800
10,420
10,120
11,190
320,000
426,720
2
A
2
A
in.-Lb.
5
Nm
in.-Lb.
12
Nm
Revision Date: 05/17/2010
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