Ld43 – C&H Technology LD43__50 User Manual
Page 3
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR Isolated Module
500 Amperes / Up to 1600 Volts
Revision Date: 12/04/2002
LD43__50
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 Blocking Voltage
(t < 5 msec)
V
RSM
V
RRM
+ 100
V
RMS Forward Current
I
T(RMS)
900 A
Average Forward Current
180° Conduction, T
C
=86°C I
T(AV)
500 A
Peak One Cycle Surge Current, Non-Repetitive
60 Hz, 100% V
RRM
reapplied
50 Hz, 100% V
RRM
reapplied
I
TSM
I
TSM
17,000
16,300
A
A
Peak Three Cycle Surge Current, Non-Repetitive
60 Hz, 100%V
RRM
reapplied
I
TSM
12,250 A
Peak Ten Cycle Surge Current, Non-Repetitive
60 Hz, 100% V
RRM
reapplied
I
TSM
10,500
A
I
2
t for Fusing for One Cycle
8.3 milliseconds
10 milliseconds
I
2
t
I
2
t
1.20 x 10
6
1.33 x 10
6
A
2
sec
A
2
sec
Maximum Rate-of-Rise of On-State Current,
(Repetitive)
Per JEDEC Standard 397 5.2.2.6
di/dt
200
A/µs
Operating Temperature
T
J
-40
to
+130 °C
Storage Temperature
T
stg
-40
to
+150 °C
Max. Mounting Torque, M6 Mounting Screw
55
6
in. – Lb.
Nm
Max. Mounting Torque, M10 Terminal Screw
110
12
in. – Lb.
Nm
Module Weight, Typical
1500
g
3.30
lb
V Isolation @ 25C
V
rms
3000 V