B41821 View Datasheet(PDF) - EPCOS AG

Part Name

Description

Manufacturer

B41821

Aluminum electrolytic capacitors Single-ended capacitors(Standard series  -85 °C)

EPCOS AG 

B41821, B43821

Standard series  85 °C

Specifications and characteristics in brief

Series

Rated voltage VR

Surge voltage VS

Rated capacitance CR

Capacitance tolerance

Dissipation factor tan δ

(20 °C, 120 Hz)

B41821

B43821

6.3 ... 100 V DC

160 ... 450 V DC

1.15  VR

0.1 ... 10000 µF

1.1  VR

0.47 ... 680 µF

±20%  M

±20%  M

For capacitance higher than 1000 µF add 0.02 for every increase of

1000 µF.

Leakage current Ileak

(20 °C, 5 min)

Self-inductance ESL

Useful life

85 °C; VR; IAC,R

40 °C; VR; 1.3  IAC,R

40 °C; VR; 1.6  IAC,R

Requirements

Voltage endurance test

85 °C; VR

VR (V DC)

tan δ (max.)

6.3 10 16 25 35 50 63 100 160 ...

450

0.28 0.24 0.20 0.16 0.14 0.12 0.12 0.10 0.20

or 3 µA, whichever is greater

Diameter (mm) ≤ 6.3

8 ... 12.5 16

18

ESL (nH)

15

20

26

34

> 2000 h

> 100000 h



> 3000 h



> 100000 h

∆C/C

tan δ

Ileak

≤ ±45% of initial value

≤ 3 times initial specified limit

≤ initial specified limit

2000 h

2000 h

20 ...

25

40

Post test requirements

Vibration resistance test

IEC climatic category

Sectional specification

∆C/C ≤ ±30% of initial value

tan δ ≤ 2 times initial specified limit

Ileak

≤ initial specified limit

To IEC 60068-2-6, test Fc:

Frequency range 10 Hz ... 2 kHz, displacement amplitude 1.5 mm,

acceleration max. 20 g, duration 3 × 2 h.

Capacitor rigidly clamped by the aluminum case.

To IEC 60068-1:

VR ≤ 250 V: 40/085/56 (40 °C/+85 °C/56 days damp heat test)

VR ≥ 350 V: 25/085/56 (25 °C/+85 °C/56 days damp heat test)

IEC 60384-4

Please read Cautions and warnings and

Important notes at the end of this document.

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