ALS34 Datasheet, PDF (1/8 Pages) Kemet Corporation – IEC 60384-4 Long Life Grade 40/85/56

ALS34 Series 85°C
• Imperial case sizes and terminals for the North American Market
• Long Life, 20000 hours at 85°C (Ur, Ir applied)
• High ripple current
• Excellent surge voltage capability
• Optimized designs available on request
application
• Industrial and commercial
applications.
• Power supplies including switch
mode.
• UPS systems.
• Variable speed drives.
• Frequency Inverters.
• Welding equipment.
• Energy storage in pulse discharge
applications.
Basic design
The ALS34/35 series of screw terminal
capacitors meets the
requirements of the North American
market. This range offers high CV per
unit volume coupled with high ripple
currents and long life performance.
Specification
RoHS
Compliant
Standards
IEC 60384-4 Long Life Grade 40/85/56,
Capacitance range
150 – 470000 µF
Capacitance tolerance –10 to +30%
Rated voltage U_R
25–500 VDC
Surge voltage U_S U_R 25 40 50 63 75 100 160 200 250 350 400 450 500 _{Test Condition:}
U_S 30 50 65 67 95 125 200 250 300 400 450 500 550 ^{< 30s surge, 1000 cycles @ 25°C}
Surge
(Short
voltage U_SS
duration)
U_R
U_SS
200 350
250 400
350 500
400 520
415 530
450 550
500 600
Test Condition:
< 500ms surge, 1000 cycles @ 20°C
Leakage current I_L

Operational life time
+85°C, U_R , I_R
+85°C, U_R
Shelf Life
= 0.006 x C_R x U_R (µA) or 6mA whichever
is the smaller. Note, C_R is in µF.
Can Diameter (inches)

1.375
11000 hrs
2
18000 hrs
2.5
19000 hrs
3
20000 hrs

Can Diameter (inches)

1.375
22000 hrs
2
36000 hrs
2.5
38000 hrs
3
40000 hrs

2000 hrs at 0V +85°C, or 30000 hrs at 0V +40°C
Test Condition:
U_R, 5mins., 20°C
End of Life requirement:

∆C/C < ±10%
ESR < 2 x initial ESR value
I_L
< initial specified limit

Temperature range
–40 to +85°C (Operating) -55°C to +85°C (Storage)
BHC and Evox Rifa Electrolytic Capacitors
63