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© KEMET Electronics Corporation • One East Broward Boulevard

A4036_ALS40_41 • 5/30/2024

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

Screw Terminal Aluminum Electrolytic Capacitors – ALS40/41, +105°C

Performance Characteristics

Item

Performance Characteristics

Capacitance Range

150 – 680,000 µF

Rated Voltage

25 – 500 VDC

Operating Temperature

−40 to +105°C

Storage Temperature Range

−55 to +105°C

Capacitance Tolerance

±20% at 100 Hz/+20°C

Operational Lifetime

D (mm)

Rated Voltage and Ripple

Current at +105°C (hours)

Rated Voltage at +105°C

(hours)

36

6,000

10,000

51

7,000

11,000

66

8,000

13,000

77, 90

9,000

15,000

End of Life Requirement

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

Shelf Life

2,000 hours at +85°C or 30,000 hours at +40°C 0 VDC

Leakage Current

I = 0.003 CV or 6,000 (µA, whichever is smaller)

C = rated capacitance (µF), V = rated voltage (VDC). Voltage applied for 5 minutes at +20°C.

Vibration Test Specifications

Procedure

Requirements

Case Length < 220 mm

0.75 mm displacement amplitude

or 10 G maximum acceleration.

Vibration applied for three 2-hour

sessions at 10 – 55 Hz

(Capacitor clamped by body).

No leakage of electrolyte

or other visible damage.

Deviations in capacitance from

initial measurements must not

exceed: ∆ C/C < 5%

Case Length ≥ 220 mm

0.35 mm displacement amplitude

or 5 G maximum acceleration.

Vibration applied for three 0.5

hour sessions at 10 – 55 Hz

(Capacitor clamped by body).

Standards

IEC 60384–4 long life grade 40/105/56

Surge Voltage

Condition

Voltage (VDC)

25

40

63

100

200

250

350

400

415

450

500

≤ 30s Surge followed by a no load

period of 330s, 1,000 cycles at +85°C

28.75

46

72.45

115

230

287.5

385

440

456.5

495

550