Specifications

O W N E R S M A N U A L
Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com
RoHS
Compliant
ALS30 Series 85°C
• Compact size
• Long life, 20000 hours at 85°C (Ur, Ir applied)
• High ripple current
• Excellent surge voltage capability
• Optimized designs available on request
APPLICATION BASIC DESIGN
Smoothing, energy storage, or pulse opera-
tion in telecommunication demanding
power supplies, process control, AC-motor
control, traction, welding and measuring.
Standards IEC 60384-4 Long Life Grade 40/85/56,
Capacitance range 100 – 680000 µF
Capacitance tolerance –20 to +20%
Rated voltage U
R
25–500 VDC
Surge voltage U
S
1.15 x U
R
(for U
R
< 250 VDC)
1.10 x U
R
(for U
R
> 350 VDC)
Surge voltage U
SS
(Short duration)
Leakage current I
L
= 0.006 x C
R
x U
R
(µA) or 6mA whichever
is the smaller. Note, C
R
is in µF.
Operational life time
+85°C, U
R
, I
R
+85°C, U
R
Shelf Life 2000 hrs at 0V +85°C, or 30000 hrs at 0V +40°C
Temperature range –40 to +85°C (Operating) -55°C to +85°C (Storage)
The ALS30/31 series of screw terminal
capacitors cover a wide range of case
sizes and voltage ratings featuring high
ripple currents and long life performance.
They are ideally suited for industrial and
Can Diameter
36 11000 hrs
51 18000 hrs
66 19000 hrs
77, 90 20000 hrs
End of Life requirement:
C/C < ±10%
ESR < 2 x initial ESR value
I
L
< initial specified limit
Can Diameter
36 22000 hrs
51 36000 hrs
66 38000 hrs
77, 90 40000 hrs
U
R
U
SS
200 350
250 400
350 500
400 520
415 530
450 550
500 600
Test Condition:
< 500ms surge, 100 cycles @ 20°C
Test Condition:
< 30s surge, 1000 cycles @ 85°C
Test Condition:
U
R
, 5mins., 20°C
commercial applications demanding high
reliability and long life expectancy such as
frequency converters, UPS systems and
switch mode power supplies.
SPECIFICATION