
Aluminum electrolytic capacitors
Alu-X product lines
Single-ended capacitors
Series/Type: B43081
Data Sheet
Date: August 2008
© EPCOS AG 2008. Reproduction, publication and dissemination of this publication and the infor-
mation contained therein without EPCOS’ prior express consent is prohibited.

Single-ended capacitors B43081
High ripple current – 105 °C
Single-ended capacitors B43081
High ripple current – 105 °C
Long-life grade capacitors for professional applications
Applications
■ Electronic ballast applications
Features
■ RoHS-compatible
■ Very high ripple current
■ High reliability
■ Load life of 3000 h at 105 °C
Construction
■ Radial leads
■ Aluminum case, fully insulated
■ Charge-discharge proof
■ Minus pole marking on the insulating sleeve
■ Case with safety vent from diameter 8 mm
Delivery mode
■ Bulk
■ Taped, Ammo pack
■ Cut
■ Kinked
Please read Cautions and warnings and
Important notes at the end of this document.
2 08/08

Single-ended capacitors B43081
High ripple current – 105 °C
Specifications and characteristics in brief
Rated voltage V
R
Operating temperature
160 ... 400 V DC
–25 °C … +105 °C
range
Rated capacitance C
0.1 … 100 µF
R
(20 °C, 120 Hz)
Capacitance tolerance ±20% M
Load life
(105 °C, V
, I
R
AC,R
Leakage current I
(20 °C, after 5 minutes)
Dissipation factor (max.)
3000 h Requirements:
)
V
leak
I
leak
0.02 µA
C
R
R
⎛⎞
-------
-------
⋅
⋅≤
⎝⎠
µF
V
tan δ ≤ 0.12
∆C/C ≤ ±20% of initial value
tan δ≤ 2 times initial specified limit
I
≤ initial specified limit
leak
(20 °C, 120 Hz)
Low temperature
stability
(impedance ratio)
Z25 °C–()
--------------------------Z +20 °C()
≤ 7
(120 Hz)
Shelf life After storage for 1000 h at 105 °C, the capacitors shall meet the require-
ment of load life test after reforming process. After test: V
to be applied
R
for 30 minutes, 24 to 48 hours before measurement.
Frequency multiplier for
rated ripple current
Temperature multiplier
for rated ripple current
50 Hz 120 Hz 300 Hz 1 kHz 10 kHz 100 kHz
0.3 0.5 0.6 0.8 0.9 1.0
+50 °C +70 °C +85 °C +105 °C
2.1 1.8 1.4 1.0
Please read Cautions and warnings and
Important notes at the end of this document.
3 08/08

Single-ended capacitors B43081
High ripple current – 105 °C
Dimensional drawing
d
a
Minus pole Safety vent
marking
l
+
øb
-
15 min.
5 min.
KAL1080-C-E
Safety vent for diameter ≥ 8 mm.
Case dimensions
d × l
mm
d
max
mm
× I
max
a
mm
6.3 × 11 6.8 × 12.5 2.5 ±0.5 0.5 ±0.1
8 × 11.5 8.5 × 13.0 3.5 ±0.5 0.6 ±0.1
8 × 15 8.5 × 16.5 3.5 ±0.5 0.6 ±0.1
8 × 20 8.5 × 21.5 3.5 ±0.5 0.6 ±0.1
10 × 16 11.0 × 17.5 5.0 ±0.5 0.6 ±0.1
10 × 20 11.0 × 22.0 5.0 ±0.5 0.6 ±0.1
12.5 × 20 13.5 × 22.0 5.0 ±0.5 0.6 ±0.1
12.5 × 25 13.5 × 27.0 5.0 ±0.5 0.6 ±0.1
16 × 20 17.0 × 22.0 7.5 ±0.5 0.8 ±0.1
16 × 25 17.0 × 27.0 7.5 ±0.5 0.8 ±0.1
16 × 31.5 17.0 × 33.5 7.5 ±
0.5 0.8 ±0.1
18 × 20 19.0 × 22.0 7.5 ±0.5 0.8 ±0.1
18 × 25 19.0 × 27.0 7.5 ±0.5 0.8 ±0.1
18 × 31.5 19.0 × 33.5 7.5 ±0.5 0.8 ±0.1
b
mm
Please read Cautions and warnings and
Important notes at the end of this document.
4 08/08

Single-ended capacitors B43081
High ripple current – 105 °C
Overview of available types
VR (V DC) 160 200 250 350 400
Case dimensions d × l (mm)
(µF)
C
R
1.0 8 × 11.5 6.3 × 11.5
2.2 8 × 15
3.3 8 × 15
8 × 20
4.7 8 × 11.5 10 × 16 10 × 20
6.8 10 × 16 10 × 16 10 × 20
12.5 × 20
10 10 × 16 10 × 16 10 × 20 10 × 20
12.5 × 20
15 10 × 20 10 × 16 16 × 25
22 10 × 20 10 × 20 10 × 20
12.5 × 20
33 10 × 20 12.5 × 20 12.5 × 20
12.5 × 25
47 12.5 × 20
12.5 × 25
68 12.5 × 25 12.5 × 25
100 16 × 25 16 × 25
12.5 × 20 12.5 × 25
16
16 × 25
16 × 20
18 × 35.5
18 × 25
× 25
12.5 × 20 12.5 × 25
16 × 25
16 × 20 16 × 25
16 × 31.5
16 × 25 16 × 35.5
18 × 25
18 × 25
18 × 20
Please read Cautions and warnings and
Important notes at the end of this document.
5 08/08