AEC-C_B43254.book Seite 1 Mittwoch, 16. April 2008 1:53 13
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.AEC-C_B43254.book Seite 2 Mittwoch, 16. April 2008 1:53 13
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 160 … 450VDC
R
Operating temperature V ≤ 250 VDC: –40°C … +105°C
R
range V ≥ 350 VDC: –25°C … +105°C
R
Rated capacitance C 47 … 2700µF
R
(20°C, 120Hz)
Capacitance tolerance ±20% M
Load life 3000h Requirements:
(105°C, V , I ) ∆C/C ≤ ±20% of initial value
R AC,R
tanδ ≤ 2 times initial specified limit
I ≤ initial specified limit
leak
Leakage current I
leak C V
(20°C, after 5 minutes) I ≤3µA ⋅ -----R--⋅-----R--
leak µF V
Dissipation factor (max.) V (VDC) 160 ... 400 450
R
(20°C, 120 Hz) tanδ 0.15 0.20
Low temperature stability V (VDC) 160 ... 400 450
R
(impedance ratio) Z(–25 °C) 4 8
(120Hz) Z----- (-- +---- 2--- 0--- -- °-- C----- )-
Shelf life After storage for 1000h at 105°C, the capacitors shall meet the re-
quirement of load life test after reforming process. After test: V to be
R
applied for 30 minutes, 24 to 48 hours before measurement.
Frequency multiplier 50 Hz 120 Hz 1 kHz 10 kHz 20 kHz
for rated ripple current 0.90 1.00 1.20 1.50 1.55
Temperature multiplier +40 °C +55 °C +70 °C +85 °C +105 °C
for rated ripple current 2.7 2.5 2.1 1.7 1.0
Please read Cautions and warnings and
Important notes at the end of this document. 2 04/08Snap-in capacitors B43254
Standard series –105°C
Dimensional drawing
Minus pole marking
Mounting
holes
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. 3 04/08
.xam
1+d
0.8±0.1
*1±0.6
˚ 5
2
1˚±
Base 4
0.8±0.1
1.5±0.1
Safety vent
on the base
ø2±0.1
10±0.2
.xam
2+l
AEC-C_B43254.book Seite 3 Mittwoch, 16. April 2008 1:53 13
Insulating
sleeveAEC-C_B43254.book Seite 4 Mittwoch, 16. April 2008 1:53 13
Snap-in capacitors B43254
Standard series –105°C
Overview of available types B43254
V
R 160 200 250 350 400 450
(VDC)
Case dimensions d × l (mm)
C (µF)
R