EPCOS B41857 User Manual
B41857, B43857
Long-life grade capacitors
Applications
■ High reliability equipment in industrial and
automotive electronics
Features
■ High reliability and long useful life
■ High ripple current capability
Construction
■ Radial leads
■ Charge-discharge proof, polar
■ Aluminum case with insulating sleeve
■ Minus pole marking on the insulating sleeve
■ Stand off rubber seal
■ Case with safety vent from diameter 6,3 mm
Delivery mode
Special terminal configurations and packing:
■ Bulk
■ Taped, Ammo pack
■ Cut
■ Kinked
■ PAPR (protection against polarity reversal)
B41857Single-Ended Capacitors
B43857High Reliability – 105 °C
KAL0707-F
Refer to page 503 for further details and ordering example.
445 10/02
B41857 / B43857
High Reliability – 105 °C
Specifications and characteristics in brief
Type B41857 B43857
Rated voltage
Surge voltage
Rated capacitance
Capacitance tolerance
U
R
U
S
C
R
10 … 100 VDC
U
1,15 ·
R
0,47 … 4 700 µF
± 20 % M
160 … 450 VDC
U
1,1 ·
0,47 … 220 µF
± 20 % M
Useful life
U
105 °C;
40 °C;
; I~
R
U
; I~
R
Requirements:
R
R
> 2 000 h for d ≤ 6,3 mm
d
> 3 000 h for
> 5 000 h for
> 200 000 h for
> 250 000 h for
> 350 000 h for
C/C
≤ ± 50 % of initial value
∆
= 8 mm
d
≥ 10 mm
d
≤ 6,3 mm
d
= 8 mm
d
≥ 10 mm
tan δ≤ 3 times initial specified limit
I
≤ initial specified limit
L
Failure percentage: ≤ 1 %
–9
Failure rate: ≤ 50 fit (≤ 50 · 10
(for definiton “fit”, refer to chapter
/h)
“Quality”
Voltage endurance test
105 °C;
U
R
2 000 h for d ≤ 6,3 mm
d
3 000 h for
5 000 h for
= 8 mm
d
≥ 10 mm
Post test requirements: ∆C/C ≤ ± 30 % of initial value
tan δ≤ 2 times initial specified limit
I
≤ initial specified limit
L
Vibration resistance To IEC 60068-2-6, test Fc:
displacement amplitude 0,75 mm, frequency range 10 … 2000 Hz,
g
acceleration max. 10
, duration 3 × 2 h
IEC climatic category To IEC 60068-1:
U
≤ 250 VDC: 40/105/56 (– 40 °C/+ 105 °C/56 days damp heat test)
R
U
≥ 350 VDC: 25/105/56 (– 25 °C/+ 105°C/56 days damp heat test)
R
Sectional specification IEC 60384-4
R
, page 62)
446 10/02
Dimensional drawings
d
max.
d
a
Stand-off rubber seal
+
-
B41857 / B43857
High Reliability – 105 °C
b
ø
Minus pole
marking
Safety vent from ød
max.
<
_
6,3 mm
15 min.
5 min.
KAL0706-7-E
Dimensions and weight
Dimensions (mm) Approx. weight
d
×
ld
max
×
l
max
a
± 0,5
b
g
5 × 11 5, 5 × 12 2,0 0,50 ± 0,05 0,5
6,3 × 11 6, 8 × 12 2,5 0,50 ± 0,05 0,7
8 × 11 8, 5 × 12 3,5 0,60 ± 0,05 1,0
10 × 12,5 10,5 × 13,5 5,0 0,60 ± 0,05 1,6
10 × 16 10,5 × 17 5,0 0,60 ± 0,05 1,9
10 × 20 10,5 × 22 5,0 0,60 ± 0,05 2,6
12,5 × 25 13 × 27 5,0 0,60 ± 0,05 4,5
16 × 20 16,5 × 22 7,5 0,80 ± 0,05 5,5
16 × 25 16,5 × 27 7,5 0,80 ± 0,05 7,5
16 × 31,5 16,5 × 33,5 7,5 0,80 ± 0,05 7,8
18 × 31,5 18,5 × 32,5 7,5 0,80 ± 0,1 11
18 × 35 18,5 × 36 7,5 0,80 ± 0,1 13
18 × 40 18,5 × 41 7,5 0,80 ± 0,1 16
447 10/02
B41857 / B43857
High Reliability – 105 °C
Overview of available types
B41857
U
(VDC) 10 16 25 35 50 63 100
R
C
(µF) Case dimensions d × l (mm)
R
0,47 5 × 11 5 × 11
1 5 × 11 5 × 11
2,2 5 × 11 5 × 11
3,3 5 × 11 5 × 11
4,7 5 × 11 5 × 11
10 5 × 11 6,3 × 11 8 × 11
22 6,3 × 11 6,3 × 11 10 × 12,5
33 5 × 11 6,3 × 11 8 × 11 10 × 16
47 5 × 11 6,3 × 11 8 × 11 8 × 11 10 × 20
100 5 × 11 6,3 × 11 6,3 × 11 8 × 11 10 × 12,5 10 × 12,5 12,5 × 25
220 6,3 × 11 8 × 11 10 × 12,5 10 × 12,5 10 × 20 10 × 20 16 × 25
330 8 × 11 10 × 12,5 10 × 12,5 10 × 16 10 × 20 12,5 × 25 16 × 31,5
470 10 × 12,5 10 × 16 10 × 20 10 × 20 12,5 × 25 16 × 20 16 × 31,5
1 000 10 × 16 10 × 20 12,5 × 25 16 × 20 16 × 31,5 18 × 31,5
2 200 12,5 × 25 16 × 20 16 × 25 16 × 31,5 18 × 40
3 300 16 × 20 16 × 25 16 × 31,5 18 × 35
4 700 16 × 25 16 × 31,5 18 × 35
B43857
U
(VDC) 160 200 250 350 450
R
C
(µF) Case dimensions d × l (mm)
R
0,47 6,3 × 11 6,3 × 11 6,3 × 11 8 × 11
1 6,3 × 11 6,3 × 11 8 × 11 8 × 11 10 × 12,5
2,2 8 × 11 8 × 11 8 × 11 10 × 12,5 10 × 16
3,3 10 × 12,5 10 × 12,5 10 × 16 10 × 16 10 × 20
4,7 10 × 12,5 10 × 12,5 10 × 16 10 × 20 12,5 × 25
10 10 × 16 10 × 16 10 × 20 10 × 20 16 × 25
22 10 × 20 10 × 20 16 × 20 16 × 25 16 × 31,5
33 10 × 20 12,5 × 25 16 × 25 16 × 31,5 18 × 35
47 12,5 × 25 16 × 20 16 × 31,5 16 × 31,5 18 × 40
100 16 × 25 16 × 31,5 18 × 35 18 × 40
220 18 × 35 18 × 40
Other voltage and capacitance ratings are also available upon request.
448 10/02
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