EPCOS B43254 User Manual
Aluminum electrolytic capacitors
Alu-X product lines
Snap-in capacitors
Series/Type: B43254
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 B43254
Standard series – 105 °C
Snap-in capacitors B43254
Standard series – 105 °C
Long life grade capacitors
Applications
■ Switch-mode power supplies in industrial and entertainment electronics
Features
■ High ripple current capability
■ RoHS-compatible
■ Long load life of 3000 h at 105 °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
Specifications and characteristics in brief
Rated voltage V
R
Operating temperature
range
Rated capacitance C
(20 °C, 120 Hz)
160 … 450 V DC
V
R
V
R
47 … 2700 µF
R
≤ 250 V DC: –40 °C … +105 °C
≥ 350 V DC: –25 °C … +105 °C
Capacitance tolerance ±20% M
Load life
, I
(105 °C, V
Leakage current I
)
R
AC,R
leak
(20 °C, after 5 minutes)
Dissipation factor (max.)
(20 °C, 120 Hz)
Low temperature stability
(impedance ratio)
(120 Hz)
3000 h Requirements:
∆C/C ≤ ±20% of initial value
tan δ≤ 2 times initial specified limit
I
≤ initial specified limit
leak
V
C
R
R
-------
-------
I
3µA
leak
V
(V DC) 160 ... 400 450
R
µF
⋅⋅≤
V
tan δ 0.15 0.20
V
(V DC) 160 ... 400 450
R
Z 25 °C–()
--------------------------Z +20 °C()
48
Shelf life After storage for 1000 h at 105 °C, the capacitors shall meet the re-
Frequency multiplier
for rated ripple current
Temperature multiplier
for rated ripple current
quirement of load life test after reforming process. After test: V
applied for 30 minutes, 24 to 48 hours before measurement.
50 Hz 120 Hz 1 kHz 10 kHz 20 kHz
0.90 1.00 1.20 1.50 1.55
+40 °C+55 °C +70 °C+85 °C +105 °C
2.7 2.5 2.1 1.7 1.0
to be
R
Please read Cautions and warnings and
Important notes at the end of this document.
2 04/08
Snap-in capacitors B43254
Standard series – 105 °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.
3 04/08
Snap-in capacitors B43254
Standard series – 105 °C
Overview of available types B43254
V
R
(V DC)
160 200 250 350 400 450
Case dimensions d × l (mm)
C
(µF)
R
47 22 × 20
56 22 × 20 22 × 20
22 × 25
25.4 × 20
68 22 × 20
25.4 × 20
82 22 × 25
25.4 × 20
22 × 25
25.4 × 20
22 × 25
25.4 × 25
22 × 30
25.4 × 25
22 × 30
25.4 × 25
30 × 20
100 22 × 25
25.4 × 25
30 × 20
120 22 × 20 22 × 30
25.4 × 25
30 × 20
150 22 × 20 22 × 25
25.4 × 20
22 × 35
25.4 × 30
30 × 25
35 × 20
180 22 × 20
25.4 × 20
22 × 25
25.4 × 20
22 × 40
25.4 × 30
30 × 25
35 × 20
220 22 × 20 22 × 25
25.4 × 20
22 × 25
25.4 × 25
30 × 20
22 × 45
25.4 × 35
30 × 30
35 × 25
270 22 × 25
25.4 × 20
22 × 25
25.4 × 25
30 × 20
22 × 30
25.4 × 25
30 × 20
22 × 50
25.4 × 40
30 × 30
22 × 30
25.4 × 25
30 × 20
22 × 35
25.4 × 25
× 25
30
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
× 30
35
22 × 35
25.4 × 30
30 × 25
22 × 40
25.4 × 30
30 × 25
35 × 25
22 × 45
25.4 × 40
30 × 30
35 × 25
22 × 50
25.4
30 × 30
35 × 25
25.4 × 50
30 × 35
35 × 25
30 × 40
35 × 30
35 × 25
330 22 × 25
25.4 × 20
22 × 30
25.4 × 25
30 × 20
22 × 35
25.4 × 30
30 × 25
25.4 × 45
30 × 35
35 × 30
25.4 × 50
30 × 40
35 × 30
30 × 45
35 × 35
35 × 20
390 22 × 25
25.4 × 25
30 × 20
470 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 × 25
22 × 45
25.4 × 35
30 × 30
35 × 25
25.4 × 50
30 × 40
35 × 35
30 × 45
35 × 35
30 × 45
35 × 35
30 × 50
35 × 40
30 × 50
35 × 40
35 × 45
× 40
Please read Cautions and warnings and
Important notes at the end of this document.
4 04/08
Snap-in capacitors B43254
Standard series – 105 °C
Overview of available types B43254
V
R
(V DC)
160 200 250 350 400 450
Case dimensions d × l (mm)
C
(µF)
R
560 22 × 35
25.4 × 30
30 × 25
35 × 20
680 22 × 40
25.4 × 30
30 × 25
35 × 20
820 22 × 45
25.4 × 35
30 × 30
22 × 40
25.4 × 30
30 × 25
35 × 25
22 × 45
25.4 × 35
30 × 30
35 × 25
25.4 × 45
× 30
30
35 × 25
22 × 50
25.4 × 40
30 × 30
35 × 25
25.4 × 50
30 × 35
35 × 30
30 × 40
35 × 35
30 × 50
35 × 45 35 × 50
35 × 40
35 × 50 35 × 50
35 × 25
1000 22 × 50
25.4 × 40
30 × 30
25.4 × 50
30 × 35
35 × 30
30 × 50
35 × 40
35 × 25
1200 25.4 × 45
30 × 35
30 × 40
35 × 35
30 × 60
35 × 45
35 × 30
1500 25.4 × 50
30 × 40
30 × 50
35 × 40
35 × 50
35 × 30
1800 30 × 45
35 × 45
35 × 35
2200 30 × 50
35 × 50
35 × 45
2700 35 × 50
Please read Cautions and warnings and
Important notes at the end of this document.
5 04/08
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