Epcos B 43303 Service Manual

www.DataSheet4U.com

Snap-In Capacitors B41303

Standard – 85 °C

B43303

B41303, B43303

General-purpose grade capacitors

Applications

■ Switch-mode power supplies in industrial and

entertainment electronics

Features

■ High ripple current capability

■ Different case sizes available for

each capacitance value

Construction

■ Charge-discharge proof, polar

■ Aluminum case, fully insulated

■ Snap-in solder pins to hold component in place on PC-board

■ Minus pole marking on case surface

■ Minus pole not insulated from case

■ Overload protection (safety vent)

Terminals

■ Standard version with 2 terminals

2 lengths available: 6,3 and 4,5 mm

■ 3 terminals: length 4,5 mm

(terminal arrangement ensures correct insertion)

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Specifications and characteristics in brief

B41303 B43303 (not for new design)

Rated voltage

Surge voltage

Rated capacitance

Capacitance tolerance

Leakage current

(5 min, 20 °C)

Self-inductance

U

U

R

S

I

L

ESL

10 … 100 VDC

1,15 ·

680 … 47 000 µF

C

R

± 20 % M

I

L

Approx. 20 nH

U

R

C

0,3 µA

≤ 4 µA+

æö

⋅

-------

èø

µF

0,7

U

R

R

⋅

------­V

Useful life

U

85 °C,
40 °C,

; I~

R

U

; 1,15 · I~

R

R

Requirements: ∆

R

> 2 000 h
> 100 000 h

C/C

≤ ± 45 % of initial value

ESR

≤ 3 times initial spec. limit

I

≤ initial specified limit

L

Failure percentage: ≤ 1 %
Failure rate: ≤ 100 fit (≤ 100 · 10
(for definiton “fit”, refer to chapter

Voltage endurance test

U

85°C;

R

Post test requirements: ∆

2 000 h 2 000 h

C/C

≤ ± 15 % of initial value

ESR

≤ 1,3 times initial spec. limit

I

≤ initial specified limit

L

Vibration resistance To IEC 60068-2-6, test Fc:

displacement amplitude 0,35 mm, frequency range 10 … 55 Hz,

g

acceleration max. 5

, duration 3 × 2 h

IEC climatic category To IEC 60068-1:

40/085/56 (– 40°C/+ 85°C/56 days
damp heat test)

Detail specification

Sectional specification

Similar to CECC 30301-806

IEC 60384-4

B41303 / B43303

Standard – 85 °C

200 … 500 VDC

U

(for

U

(for

≤ 250 VDC)

R

U

≥ 385 VDC)

R

1,15 ·
1,10 ·

R

U

R

22 … 1 500 µF

± 20 % M

> 2 000 h
> 100 000 h

C/C

≤ ± 30 % of initial value

∆

ESR

≤ 3 times initial spec. limit

I

≤ initial specified limit

L

–9

/h)

“Quality”

, page 62)

∆

C/C

≤ ± 10 % of initial value

ESR

≤ 1,3 times initial spec. limit

I

≤ initial specified limit

L

25/085/56 (– 25°C/+ 85 °C/56 days
damp heat test)

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B41303 / B43303

Standard – 85 °C

Dimensional drawings

Minus pole marking

Mounting
holes

Minus pole marking

Mounting
holes

KAL0140-J

Snap-in terminals, standard (length 6,3
Also available in a shorter version with a length

± 1 mm).

of 4,5 –1 mm. For packing mode and ordering
example see next page

Dimensions (mm) Approx.

d

+ 1

22
22
22
22
22

25
25
25
25
25

l

± 2

25
30
35
40
45

25
30
35
40
45

.

weight (g)

9
12
15
18
20

13
17
19
22
25

Packing units
(pieces)

160
160
160
160
160

130
130
130
130
130

Snap-in capacitors are also available with
3 terminals (length 4,5 –1mm).
For packing mode and ordering example see
next page

Dimensions (mm) Approx.

d

+ 1

30
30
30
30
30
30
30

35
35
35
35
35

.

l

20
25
30
35
40
45
50

20
40
45
50
55

± 2

weight (g)

14
17
23
29
36
41
46

19
44
52
59
66

Packing units
(pieces)

80
80
80
80
80
80
80

60
60
60
60
60

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KAL0324-F

Packing of snap-in capacitors

B41303 / B43303

Standard – 85 °C

For ecological reasons the packing is pure cardboard. Components can be withdrawn (in full or in
part) in the correct position for insertion.

Ordering codes

Snap-in terminals
Version

Standard terminals (6,3 ± 1) mm M000

Short terminals (4,5 −1) mm M007

3 terminals (4,5 −1) mm M002

Ordering example:

B41303A3109M007

B41303A3109M002

snap-in capacitor with short terminals

}

snap-in capacitor with 3 terminals

}

Identification in 3rd block of ordering code

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B41303 / B43303

Standard – 85 °C

Overview of available types

Type B41303

U

(VDC) 10 16 25 40 63 100

R

C

(µF) Case dimensions d × l (mm)

R

680

1 000

1 500

2 200

3 300

4 700

6 800

10 000

15 000

22 000

22 × 30
25 × 25

22 × 35
25 × 30

25 × 40
30 × 30

22 × 30
25 × 25

22 × 30
25 × 25

22 × 35
25 × 30

25 × 40
30 × 30

22 × 35
25 × 30

25 × 35
30 × 30

30 × 35 30 × 50

30 × 35 30 × 45

22 × 30
25 × 25

22 × 35
25 × 30

25 × 40
30 × 30

30 × 35

22 × 30
25 × 25

22 × 35
25 × 30

25 × 35
30 × 30

30 × 35

30 × 45

33 000 30 × 35 30 × 45

47 000 30 × 45

22 × 30
25 × 25

22 × 35
25 × 30

25 × 35
30 × 30

30 × 35

30 × 45

The capacitance and voltage ratings listed above are available in different cases upon request.

Other voltage and capacitance ratings are also available upon request.

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