Screw Terminal Aluminum Electrolytic Capacitors
ALS32/33 Series, +85C
Overview Applications
KEMETs ALS32/33 Series of screw terminal capacitors KEMETs ALS32/33 Series of capacitors is designed for
meets the requirements of the Asian market. This range industrial and commercial applications such as switch
offers high CV per unit volume coupled with high ripple mode power supplies (SMPS), uninterruptible power supply
currents and long-life performance. (UPS) systems, variable speed drives, frequency inverters,
welding equipment, and energy storage in pulse discharge
applications.
Benefits
Case sizes and terminals for the Asian market
, 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 2 A 391 D2C 350
Series Stud Option Termination Capacitance Code (F) Size Code Rated Voltage (VDC)
Screw Terminal 2 = Plain Can See Termination Table First two digits See Dimension Table 350 = 350
Aluminum Electrolytic 3 = Threaded mounting represent significant 400 = 400
stud figures. Third digit 450 = 450
specifies number of 500 = 500
zeros.
One world. One KEMET
KEMET Electronics Corporation P.O. Box 5928 Greenville, SC 29606 864-963-6300 www.kemet.com A4032_ALS32_33 4/27/2017 1Screw Terminal Aluminum Electrolytic Capacitors ALS32/33 Series, +85C
Performance Characteristics
Item Performance Characteristics
Capacitance Range 220 18,000 F
Rated Voltage 350 500 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 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)
Condition
350 400 450 500
30s Surge followed by a no load
385 440 495 550
period of 330 s, 1,000 cycles at +85C
500 ms surge, 100 cycles
at 20C, occurring randomly 500 520 550 600
throughout the life of the capacitor
KEMET Electronics Corporation P.O. Box 5928 Greenville, SC 29606 864-963-6300 www.kemet.com A4032_ALS32_33 4/27/2017 2