EPCOS B41231 User Manual
Aluminum electrolytic capacitors
Alu-X product lines
Snap-in capacitors
Series/Type: B41231, B43231
Data Sheet
Date: April 2008
© EPCOS AG 2008. Reproduction, publication and dissemination of this publication and the infor-
mation contained therein without EPCOS’ prior express consent is prohibited.
Snap-in capacitors B41231, B43231
Standard series – 85 °C
Snap-in capacitors B41231, B43231
Standard series – 85 °C
General-purpose grade capacitors
Applications
■ Switch-mode power supplies in industrial and entertainment electronics
Features
■ High ripple current capability
■ RoHS-compatible
■ Load life of 2000 h at 85 °C
Construction
■ Aluminum case, fully insulated
■ Snap-in solder pins to hold component in place on PC-board
■ Minus pole marking on the insulating sleeve
■ Case with safety vent
Please read Cautions and warnings and
Important notes at the end of this document.
2 04/08
Snap-in capacitors B41231, B43231
⎠
⎞
Standard series – 85 °C
Specifications and characteristics in brief
Rated voltage V
Operating temperature range
Rated capacitance C
R
R
10 … 500 V DC
≤ 250 V DC: –40 °C … +85 °C
V
R
V
≥ 315 V DC: –25 °C … +85 °C
R
56 … 68000 µF
(20 °C, 120 Hz)
Capacitance tolerance ±20% M
Load life
(85 °C, V
, I
R
AC,R
Leakage current I
(20 °C, after 5 minutes)
Dissipation factor
(max.)
(20 °C, 120 Hz)
Low temperature
stability
(impedance ratio)
(120 Hz)
2000 h Requirements:
)
leak
I
0.02 µA
leak
V
R
(V DC)
tan δ
V
(V DC)
R
Z 25 °C–()
--------------------------Z +20 °C()
Z40 °C–()
--------------------------Z +20 °C()
∆C/C ≤ ±20% of initial value
tan δ≤ 2 times initial specified limit
I
≤ initial specified limit
leak
V
C
R
R
⎛
-------
-------
⋅
⋅≤
⎝
µF
V
10 16 25 35 50 63 80 100 1 60 ...
0.50 0.50 0.40 0.40 0.30 0.25 0.20 0.15 0.12 0.15 0.20
10 16 ... 160 200 ... 250 315 ... 400 450 ... 500
5478 8
18 15 12
––
200
250 ...
400
450 ...
500
Shelf life After storage for 1000 h at 85 °C, the capacitors shall meet the requirement
Frequency multiplier
for rated ripple current
Temperature multiplier
for rated ripple current
of load life test after reforming process. After test: V
30 minutes, 24 to 48 hours before measurement.
50 Hz 120 Hz 1 kHz 10 kHz 20 kHz
≤50 V 0.95 1.00 1.10 1.15 1.15
63 ... 100 V 0.95 1.00 1.16 1.30 1.33
≥160 V 0.90 1.00 1.20 1.50 1.55
+40 °C +55 °C +70 °C +85 °C
<160 V 2.1 2.1 1.5 1.0
≥160 V 1.7 1.5 1.3 1.0
to be applied for
R
Please read Cautions and warnings and
Important notes at the end of this document.
3 04/08
Snap-in capacitors B41231, B43231
Standard series – 85 °C
Dimensional drawing
Minus pole marking
˚
±25
˚
41
Insulating
sleeve
Mounting
holes
KAL1095-Q-E
Base
0.8±0.1
Safety vent
on the base
d+1 max.
l+2 max.
6.0±1*
ø2±0.1
0.8±0.1
1.5±0.1
10±0.2
* = Shorter terminal (4.0 ± 0.5) is also available upon request.
Please read Cautions and warnings and
Important notes at the end of this document.
4 04/08
Snap-in capacitors B41231, B43231
Standard series – 85 °C
Overview of available types B41231
V
R
(V DC)
10 16 25 35
Case dimensions d × l (mm)
C
(µF)
R
4700 22 × 30
25.4 × 25
5600 22 × 25 22 × 35
25.4 × 30
6800 22 × 30
25.4 × 25
8200 22 × 35
25.4 × 30
10000 22 × 25 22 × 40
25.4 × 30
22 × 40
25.4 × 30
30 × 25
22 × 45
25.4 × 35
30 × 30
22 × 50
25.4 × 40
30 × 30
12000 22 × 25 22 × 30
15000 22 × 30
25.4 × 25
18000 22 × 35
25.4 × 25
25.4 × 25
22 × 35
× 30
25.4
30 × 25
22 × 40
25.4 × 35
22 × 45
25.4 × 35
30 × 25
22 × 50
25.4 × 40
30 × 30
25.4 × 45
30 × 35
25.4 × 45
30 × 35
35 × 30
30 × 40
35 × 35
30 × 45
35 × 40
30 × 30
22000 22 × 40
25.4 × 30
30 × 25
27000 22 × 45
25.4 × 35
30 × 30
33000 22 × 50
39000 25.4 × 45
25.4 × 40
30 × 30
35 × 25
30 × 35
22 × 50
25.4 × 40
30 × 30
25.4 × 45
30 × 35
35 × 25
30 × 40
35 × 30
30 × 45
35 × 35
30 × 35
35 × 30
30 × 45
35 × 35
30 × 50
35 × 40
35 × 45
35 × 45
35 × 30
47000 25.4 × 50
30 × 40
30 × 50
35 × 40
35 × 30
56000 30 × 45
35 × 35
35 × 45
68000 35 × 40 35 × 50
Please read Cautions and warnings and
Important notes at the end of this document.
5 04/08
Snap-in capacitors B41231, B43231
Standard series – 85 °C
Overview of available types B41231
V
R
(V DC)
50 63 80 100
Case dimensions d × l (mm)
C
(µF)
R
1200 22 × 25 22 × 30
25.4 × 25
1500 22 × 30 22 × 35
25.4 × 30
30 × 25
1800 22 × 25 22 × 30
25.4 × 25
22 × 40
25.4 × 35
30 × 30
2200 22 × 30
25.4 × 25
2700 22 × 35
25.4 × 30
3300 22 × 30
25.4 × 25
22 × 35
25.4 × 30
30 ×
3900 22 × 40
4700 22 × 40
25.4 × 35
30 × 25
35 × 25
5600 22 × 45
25.4 × 40
30 × 30
35 × 25
6800 22 × 50
25.4 × 45
30 × 35
35 × 30
8200 25.4 × 50
30 × 40
35 × 30
10000 30 × 45
12000 30 × 50
35 × 35
35 × 40
25.4 × 35
30 × 30
22 × 50
25.4 × 40
30 × 35
35 × 30
25.4 × 45
30 × 35
35
25.4 × 50
30 × 40
35 × 30
30 × 45
35 × 35
30 × 50
35 × 40
35 × 45
25
× 30
22 × 35
25.4 × 30
30 × 25
22 × 40
25.4 × 35
30 × 30
22 × 45
25.4 × 40
30 × 30
22 × 50
25.4 × 45
30 × 35
25.4 × 50
30 × 40
35 × 30
30 × 45
35 × 35
35 × 40
35 × 45
22 × 45
25.4 × 40
30 × 30
25.4 × 45
30 × 35
35 × 30
25.4 × 50
30 × 40
35 × 35
30 × 45
35 × 35
30 × 50
35 × 40
35 × 45
15000 35 × 45
18000 35 × 50
Please read Cautions and warnings and
Important notes at the end of this document.
6 04/08
Snap-in capacitors B41231, B43231
Standard series – 85 °C
Overview of available types B43231
V
R
(V DC)
160 200 250 315
Case dimensions d × l (mm)
C
(µF)
R
100 22 × 20
120 22 × 25
150 22 × 25
25.4 × 20
180 22 × 20 22 × 25
220 22 × 20 22 × 25
25.4 × 20
25.4 × 20
22 × 25
25.4 × 25
30 × 20
270 22 × 25
330 22 × 25
390 22 × 25
25.4 × 20
25.4 × 20
25.4 × 25
30 × 20
470 22 × 30
560 22 × 35
680 22 × 40
25.4 × 25
× 20
30
25.4 × 30
30 × 25
35 × 20
25.4 × 30
30 × 25
35 × 20
820 22 × 45
25.4 × 35
30 × 30
35 × 25
22 × 25
25.4 × 25
30 × 20
22 × 30
25.4 × 25
30 × 20
22 × 30
25.4 × 25
30 × 25
35 × 20
22 × 35
25.4 × 30
30 × 25
35 × 20
22 × 40
25.4 × 35
30 × 25
35 × 20
22 × 45
25.4 × 40
30 × 30
35 × 25
22 × 50
25.4 × 45
30 × 35
35 × 30
22 × 30
25.4 × 25
20
30 ×
22 × 35
25.4 × 30
30 × 25
35 × 20
22 × 40
25.4 × 30
30 × 25
35 × 20
22 × 45
25.4 × 35
30 × 30
35 × 25
22 × 50
25.4 × 40
30 × 30
35 × 25
25.4 × 45
30 × 35
35 × 30
30 × 40
35 × 35
25.4 × 20
22 × 30
25.4 × 25
30 × 20
22 × 35
25.4 × 30
30 × 25
35 × 20
22 × 40
25.4 × 30
30 × 25
35 × 20
22 × 45
25.4 × 35
30 × 30
35 × 25
22 × 50
25.4 × 40
30 × 35
35 × 30
25.4 × 45
30 × 35
35 × 30
35 × 35
30 × 40
35 × 40
35 × 45
35 × 50
Please read Cautions and warnings and
Important notes at the end of this document.
7 04/08
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