Screw Terminal Aluminum Electrolytic Capacitors
ALS30/31, +85C
Overview Applications
KEMET's ALS30/31 Series of screw terminal capacitors Typical applications for KEMET's ALS30/31 capacitors
covers a wide range of case sizes and voltage ratings include smoothing, energy storage or pulse operation in
featuring high ripple currents and long-life performance. telecommunication demanding power supplies, process
They are ideally suited for industrial and commercial control, AC motor control, traction, welding, and measuring.
applications demanding high reliability and long-life
expectancy such as frequency converters, uninterruptible
power supply (UPS) systems and switch mode power
supplies (SMPS).
Benefits
Compact size
, I applied)
Long life, up to 20,000 hours at +85C (V
R R
High ripple current
Excellent surge voltage capability
Optimized designs available upon request
Part Number System
ALS3 0 A 153 DA 025
Capacitance Code
Series Stud Option Termination Size Code Rated Voltage (VDC)
(F)
Screw Terminal 0 = Plain can See Termination First two digits See Dimension 025 = 25 350 = 350
Aluminum 1 = Threaded Table represent Table 040 = 40 400 = 400
Electrolytic mounting stud significant 063 = 63 415 = 415
figures. Third digit 100 = 100 450 = 450
specifies number 200 = 200 500 = 500
of zeros. 250 = 250
One world. One KEMET
KEMET Electronics Corporation KEMET Tower One East Broward Boulevard A4031_ALS30_31 3/11/2020 1
Fort Lauderdale, FL 33301 USA 954-766-2800 www.kemet.comScrew Terminal Aluminum Electrolytic Capacitors ALS30/31, +85C
Performance Characteristics
Item Performance Characteristics
Capacitance Range 100 680,000 F
Rated Voltage 25 500 VDC
Operating Temperature 40 to +85C
Storage Temperature Range 55 to +85C
Capacitance Tolerance 20% at 100 Hz/+20C
Rated Voltage and Ripple
D (mm) Rated Voltage at +85C (hours)
Current at +85C (hours)
36 11,000 22,000
Operational Lifetime
51 18,000 36,000
63.5, 66 19,000 38,000
77, 90 20,000 40,000
End of Life Requirement C/C < 10%, ESR < 2 x initial ESR value, IL < initial specified limit
Shelf Life 2,000 hours at +85C or 30,000 hours at +40C 0 VDC
I = 0.006 CV or 6,000 (A, whichever is smaller)
Leakage Current
C = rated capacitance (F), V = rated voltage (VDC). Voltage applied for 5 minutes at +20C.
Procedure Requirements
0.75 mm displacement amplitude
or 10 G maximum acceleration.
Case Length < 220 mm Vibration applied for three 2-hour
No leakage of electrolyte
sessions at 10 55 Hz
or other visible damage.
Vibration Test Specifications
(Capacitor clamped by body).
Deviations in capacitance from
0.35 mm displacement amplitude
initial measurements must not
or 5 G maximum acceleration.
exceed: C/C < 5%
Case Length 220 mm Vibration applied for three 0.5
hour sessions at 10 55 Hz
(Capacitor clamped by body).
Standards IEC 603844 long life grade 40/85/56
Surge Voltage
Voltage (VDC)
Test Condition
25 40 63 100 200 250 350 400 450 500
30s Surge followed by a no load
28.75 46 72.5 115 230 288 385 440 495 550
period of 330s, 1,000 cycles at +85C
KEMET Electronics Corporation KEMET Tower One East Broward Boulevard A4031_ALS30_31 3/11/2020 2
Fort Lauderdale, FL 33301 USA 954-766-2800 www.kemet.com