Owner's manual

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOK
TM
www.pwrx.com Dual Diode Isolated Module
260 Amperes / Up to 2400 Volts
Revision Date: 05/17/2010
ND41__26
Absolute Maximum Ratings
Characteristics Conditions Symbol Units
Repetitive Peak Reverse Blocking Voltage V
RRM
up to 2400 V
Non-Repetitive Peak Reverse Blocking Voltage
(t < 5 msec)
V
RSM
V
RRM
+ 200 V
RMS Forward Current 180° Conduction, T
C
=112°C I
F(RMS)
408 A
A
verage Forward Current 180° Conduction, T
C
=112°C I
F(AV)
260 A
Peak One Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
RRM
reapplied I
FSM
8000 A
Peak Three Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
RRM
reapplied I
FSM
5750 A
Peak Ten Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
RRM
reapplied I
FSM
4975 A
I
2
t for Fusing for One Cycle, 8.3 milliseconds I
2
t 266,000 A
2
sec
Operating Temperature T
J
-40 to +150 °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