POWEREX ND411826, ND412026, ND411626, ND411226, ND410826 Datasheet
ND41__26
Powerex, Inc., Hillis Street, Youngwood, Pennsy l vania 15697 (724) 925-7272
Dual Diode Isolated Module
G
OUTLINE DRAWING
M
J
E
T - M8 THD. (3 TYP.)
K
A
C
B
A
Q
P
U - DIA. (4 TYP.)
AK
N
K
S
W
L
W
R
ND41__26
F
H
Dual Diode Isolated
POW-R-BLOK
TM
Module
260 Amperes / 600-2000 Volts
DIODE 1
K
A
DIODE 2
CONNECTION DIAGRAM
AK
ND41 Outline Dimensions
Dimension Inches Millimeters
A 4.57 116
B 3.66 93
C 3.15 80.0
E 2.06 52.3
F 2.05 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.
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: ND412026 is a 2000Volt,
260 Ampere Dual Diode Isolated
POW-R-BLOK
TM
Module
Type
ND41 06
Voltage
Volts
(x100)
08
10
12
14
16
18
20
:
Current
Amperes
(x10)
26
POW-R-BLOK
260 Amperes / Up to 2000 Volts
Description:
Powerex Dual Diode Modules are
designed for use in applications
requiring rectification 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:
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
TM
TM
has been tested and
Revision Date: 11/1/2001
ND41__26
Powerex, Inc., Hillis Street, Youngwood, Pennsy l vania 15697 (724) 925-7272
Dual Diode Isolated Module
POW-R-BLOK
260 Amperes / Up to 2000 Volts
TM
Absolute Maximum Ratings
Characteristics Conditions Symbol Units
Repetitive Peak Reverse Blocking Voltage V
Non-Repetitive Peak Reverse Blocking Voltage
V
(t < 5 msec)
RMS Forward Current 180° Conduction, TC=112°C I
Average Forward Current 180° Conduction, TC=112°C I
Peak One Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
Peak Three Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
Peak Ten Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
reapplied I
RRM
reapplied I
RRM
reapplied I
RRM
I2t for Fusing for One Cycle, 8.3 milliseconds I2t 266,000 A2 sec
Operating Temperature TJ -40 to +150 °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
up to 2000 V
RRM
V
RSM
F(RMS)
+ 200 V
RRM
408 A
260 A
F(AV)
8000 A
FSM
5750 A
FSM
4975 A
FSM
-40 to +150 °C
stg
in.-Lb.
5
Nm
in.-Lb.
12
2500 V
rms
Nm
Revision Date: 11/1/2001
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