Aluminum electrolytic capacitors
Single-ended capacitors
Series/Type:
Date:
B41853
December 2006
©
EPCOS AG 2007. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Single-ended capacitors
For airbag applications
105
°C
B41853
Long-life grade capacitors
Applications
Automotive electronics: energy reserve for airbag application
Features
Compact design
High CV product
Designed for severe charge and discharge conditions
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
Delivery mode
Terminal configurations and packing:
Bulk
Taped, Ammo pack
Cut
Kinked
PAPR (protection against polarity reversal):
crimped leads, J leads, bent leads
Refer to chapter "Single-ended capacitors Taping, packing
and lead configurations" for further details and ordering
example.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 24
B41853
For airbag applications
105
°C
Specifications and characteristics in brief
Rated voltage V
R
Surge voltage V
S
Rated capacitance C
R
Capacitance tolerance
Dissipation factor tan
δ
(20
°C,
120 Hz)
25 ... 50 V DC
1.15 V
R
470 ... 6800 µF
±20%
M
For capacitance higher than 1000 µF add 0.02 for every increase of
1000 µF.
V
R
(V DC)
tan
δ
(max.)
Leakage current I
leak
(20
°C,
5 min)
Self-inductance ESL
Useful life
105
°C,
V
R
, I
AC,R
Requirements
25
0.16
35
0.14
50
0.12
Diameter (mm)
ESL (nH)
> 3000 h
∆C/C
tan
δ
I
leak
3000 h
∆C/C
tan
δ
I
leak
≤
12.5
20
16
26
18
34
≤ ±35%
of initial value
≤
3 times initial specified limit
≤
initial specified limit
Voltage endurance test
105
°C,
V
R
Post test requirements
≤ ±25%
of initial value
≤
2 times initial specified limit
≤
initial specified limit
Vibration resistance test
To IEC 60068-2-6, test Fc:
Displacement amplitude 0.75 mm, frequency range 10 … 2000 Hz,
acceleration max. 20
g,
duration 3
×
2 h.
Capacitor rigidly clamped by the aluminum case.
To IEC 60068-1:
55/105/56 ( 55
°C/+105 °C/56
days damp heat test)
AEC-Q200, IEC 60384-4
IEC climatic category
Sectional specification
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 24
B41853
For airbag applications
105
°C
Dimensional drawing
With stand-off rubber seal
Diameters (mm): 10, 12.5, 16, 18
Dimensions and weights
Dimensions (mm)
d +0.5
10
12.5
12.5
16
16
16
18
18
18
18
18
Approx. weight
g
2.6
3.6
4.5
5.5
7.5
7.8
8.9
9.0
11.0
13.0
16.0
l
20 +2.0
20 +2.0
25 +2.0
20 +2.0
25 +2.0
31.5 +2.0
20 +2.0
25 +2.0
31.5 +2.0
35 +2.0
40 +2.0
a
±0.5
5.0
5.0
5.0
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
b
0.60
±0.05
0.60
±0.05
0.60
±0.05
0.80
±0.05
0.80
±0.05
0.80
±0.05
0.80
±0.1
0.80
±0.1
0.80
±0.1
0.80
±0.1
0.80
±0.1
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 24
B41853
For airbag applications
105
°C
Overview of available types
V
R
(V DC)
C
R
(µF)
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
10
×
20
12.5
×
20
12.5
×
25
12.5
×
25
16
18
18
16
18
18
18
×
20
×
20
×
25
×
31.5
×
31.5
×
35
×
40
10
10
×
20
×
20
12.5
×
20
12.5
×
25
16
18
18
18
18
18
18
18
×
20
×
20
×
20
×
25
×
31.5
×
31.5
×
35
×
40
25
35
50
Case dimensions d
×
l (mm)
12.5
×
20
12.5
×
20
12.5
×
20
16
16
16
18
18
18
18
18
18
×
20
×
25
×
25
×
20
×
25
×
31.5
×
31.5
×
35
×
40
Other voltage and capacitance ratings are available upon request.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 24