Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOK
TM
www.pwrx.com Dual SCR Isolated Module
250 Amperes / Up to 1600 Volts
Revision Date: 05/17/2010
ND43__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, T
C
=89°C I
T(RMS)
393
A
verage Forward Current 180° Conduction, T
C
=89°C I
T(AV)
250 A
Peak One Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
RRM
reapplied I
TSM
8800 A
Peak Three Cycle Surge Current, Non-Repetitive 60 Hz, 100%V
RRM
reapplied I
TSM
4685 A
Peak Ten Cycle Surge Current, Non-Repetitive 60 Hz, 100% V
RRM
reapplied I
TSM
4040 A
I
2
t for Fusing for One Cycle, 8.3 milliseconds I
2
t 322,000 A
2
sec
Maximum Rate-of-Rise of On-State Current,
(Non-Repetitive)
T
j
=25°C, I
G
=500mA,
V
D
=0.67 V
DRM (Rated),
I
TM
=π I
T(AV)
,
T
< 0.5µs, t
> 6µs
di/dt 800 A/µs
Peak Gate Power Dissipation P
GM
16 W
verage 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 T
J
-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
