
196 DLC
Vishay BCcomponents
Document Number: 28362
Revision: 17-Oct-03
For technical questions contact: aluminumcaps1@vishay.com
www.vishay.com
193
Double Layer Capacitors
FEATURES
Polarized capacitor with high charge density,
alternative product to rechargeable backup batteries
Dielectric: electric double layer
Radial leads, cylindrical case,
insulated with a blue vinyl sleeve
Available in both vertical and low-profile versions
Unlimited charge and discharge cycle numbers
No charge-discharge control circuitry
and no series resistor necessary
Maintenance-free, no periodic replacement
or service necessary
Ecologically beneficial (no Cd, no Li).
APPLICATIONS
Energy storage, for backup of semiconductor memories
(CMOS) in all fields of electronics
Telecommunication, audio-video, EDP
General industrial, clock and timer systems.
MARKING
The capacitors are marked with the following information:
Rated capacitance (in F).
Rated voltage (in V).
Date code, in accordance with IEC 60062.
Name of manufacturer.
Negative terminal identification.
Upper category temperature (at 85
°
C types only).
Form A
Form B
Fig.1 Component outline.
QUICK REFERENCE DATA
DESCRIPTION
VALUE
STANDARD
FORM A
HIGH VOLTAGE
FORM A
HIGH
TEMPERATURE
FORM A
13 x 9 and 21 x 9
0.047 to 0.68 F
VERTICAL,
MINIATURIZED
FORM B
11.5 x 13 (vertical)
0.047 to 0.33 F
Nominal case sizes (
D
×
L in mm)
Rated capacitance range, C
R
Tolerance on C
R
at 20
°
C
Rated voltage, U
R
Maximum surge voltage, U
S
Category temperature range
Useful life at U
R
:
at 85
°
C
at 70
°
C
at 40
°
C
at 25
°
C
Shelf life at 0 V
Climatic category IEC 60068
13 x 7 and 21 x 7.5
0.047 to 1.0 F
13 x 9 and 21 x 9
0.047 to 0.68 F
20 to +80%
5.5 V
6.3 V
6.3 V
7.0 V
5.5 V
6.3 V
5.5 V
6.3 V
25 to +70
°
C
25 to +70
°
C
25 to +85
°
C
25 to +70
°
C
1000 hours
2800 hours
23000 hours
64000 hours
1000 hours
8000 hours
23000 hours
1000 hours
8000 hours
23000 hours
1000 hours at upper category temperature
25/070/21
1000 hours
8000 hours
23000 hours
25/070/21
25/085/21
25/070/21