Aluminum electrolytic capacitors
Alu-X product lines
Snap-in capacitors
Series/Type:
Date:
Data Sheet
B41231, B43231
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.
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
Snap-in capacitors
Standard series – 85
°C
Snap-in capacitors
Standard series – 85
°C
B41231, B43231
B41231, B43231
Please read
Cautions and warnings
and
Important notes
at the end of this document.
2
04/08
Snap-in capacitors
Standard series – 85
°C
Specifications and characteristics in brief
Rated voltage V
R
Operating tempera-
ture range
10 … 500 V DC
V
R
≤
250 V DC: –40
°C
… +85
°C
V
R
≥
315 V DC: –25
°C
… +85
°C
B41231, B43231
Rated capacitance C
R
56 … 68000
µF
(20
°C,
120 Hz)
Capacitance tolerance
±20%
Load life
(85
°C,
V
R
, I
AC,R
)
2000 h
M
Requirements:
∆C/C ≤ ±20%
of initial value
tan
δ ≤
2 times initial specified limit
I
leak
≤
initial specified limit
Leakage current I
leak
⎛
C
R
V
R
⎞
-
(20
°C,
after 5 minutes) I
leak
≤
0.02 µA
⋅
⎝
-------
⋅
------
⎠
µF V
Dissipation factor
(max.)
(20
°C,
120 Hz)
Low temperature
stability
(impedance ratio)
(120 Hz)
V
R
(V DC)
tan
δ
V
R
(V DC)
Z
(
–
25 °C
)
--------------------------
-
Z
(
+20 °C
)
Z
(
–
40 °C
)
--------------------------
-
Z
(
+20 °C
)
10
0.50
16
0.50
10
5
18
25
35
50
63
80
100 160 ... 250 ... 450 ...
200
400
500
0.15
8
0.20
0.40 0.40 0.30 0.25 0.20 0.15 0.12
16 ... 160
4
15
200 ... 250
7
12
315 ... 400
8
450 ... 500
–
–
Shelf life
After storage for 1000 h at 85
°C,
the capacitors shall meet the requirement
of load life test after reforming process. After test: V
R
to be applied for
30 minutes, 24 to 48 hours before measurement.
50 Hz
0.95
0.95
0.90
+40
°C
2.1
1.7
120 Hz
1.00
1.00
1.00
+55
°C
2.1
1.5
1 kHz
1.10
1.16
1.20
+70
°C
1.5
1.3
10 kHz
1.15
1.30
1.50
+85
°C
1.0
1.0
20 kHz
1.15
1.33
1.55
Frequency multiplier
for rated ripple current
≤50
V
63 ... 100 V
≥160
V
Temperature multiplier
for rated ripple current
<160
V
≥160
V
Please read
Cautions and warnings
and
Important notes
at the end of this document.
3
04/08
Snap-in capacitors
Standard series – 85
°C
Dimensional drawing
Minus pole marking
d+1 max.
B41231, B43231
Base
l+2 max.
6.0±1*
0.8
±0.
1
0.8±0.1
1.5±0.1
Mounting
holes
Safety vent
on the base
ø2±0.1
±
10
0.
2
KAL1095-Q-E
* = 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.
41 ±
˚
25
˚
Insulating
sleeve
4
04/08
Snap-in capacitors
Standard series – 85
°C
Overview of available types B41231
V
R
(V DC)
C
R
(µF)
4700
5600
6800
8200
10000
12000
15000
18000
22000
27000
33000
22
×
25
22
×
25
22
×
25
10
Case dimensions d
×
l (mm)
16
25
B41231, B43231
35
22
×
30
25.4
×
25
22
×
35
25.4
×
30
22
×
40
25.4
×
30
30
×
25
22
×
45
25.4
×
35
30
×
30
22
×
50
25.4
×
40
30
×
30
25.4
×
45
30
×
35
35
×
30
30
35
30
35
35
×
40
×
35
×
45
×
40
×
45
22
×
30
25.4
×
25
22
×
35
25.4
×
30
22
×
40
25.4
×
30
22
×
45
25.4
×
35
30
×
25
22
×
50
25.4
×
40
30
×
30
25.4
×
45
30
×
35
30
35
30
35
30
35
35
×
35
×
30
×
45
×
35
×
50
×
40
×
45
22
×
30
25.4
×
25
22
×
35
25.4
×
30
30
×
25
22
×
40
25.4
×
35
30
×
30
22
×
50
25.4
×
40
30
×
30
25.4
×
45
30
×
35
35
×
25
30
35
30
35
30
35
35
35
×
40
×
30
×
45
×
35
×
50
×
40
×
45
×
50
22
×
30
25.4
×
25
22
×
35
25.4
×
25
22
×
40
25.4
×
30
30
×
25
22
×
45
25.4
×
35
30
×
30
22
25.4
30
35
×
50
×
40
×
30
×
25
39000
47000
56000
68000
25.4
×
45
30
×
35
35
×
30
25.4
×
50
30
×
40
35
×
30
30
35
35
×
45
×
35
×
40
Please read
Cautions and warnings
and
Important notes
at the end of this document.
5
04/08
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