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PDF 196DLC Data sheet ( Hoja de datos )
| Número de pieza | 196DLC | |
| Descripción | Double Layer Capacitors | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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196 DLC
Vishay BCcomponents
Double Layer Capacitors
Form A
Form B
Fig.1 Component outline.
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).
QUICK REFERENCE DATA
DESCRIPTION
Nominal case sizes (∅D × L in mm)
Rated capacitance range, CR
Tolerance on CR at 20 °C
Rated voltage, UR
Maximum surge voltage, US
Category temperature range
Useful life at UR:
at 85 °C
at 70 °C
at 40 °C
at 25 °C
Shelf life at 0 V
Climatic category IEC 60068
STANDARD
FORM A
13 x 7 and 21 x 7.5
0.047 to 1.0 F
5.5 V
6.3 V
−25 to +70 °C
VALUE
HIGH VOLTAGE
FORM A
HIGH
TEMPERATURE
FORM A
13 x 9 and 21 x 9
13 x 9 and 21 x 9
0.047 to 0.68 F
0.047 to 0.68 F
−20 to +80%
6.3 V
5.5 V
7.0 V
6.3 V
−25 to +70 °C
−25 to +85 °C
−
1000 hours
8000 hours
23000 hours
25/070/21
− 1000 hours
1000 hours
2800 hours
8000 hours
23000 hours
23000 hours
64000 hours
1000 hours at upper category temperature
25/070/21
25/085/21
VERTICAL,
MINIATURIZED
FORM B
11.5 x 13 (vertical)
0.047 to 0.33 F
5.5 V
6.3 V
−25 to +70 °C
−
1000 hours
8000 hours
23000 hours
25/070/21
Document Number: 28362
Revision: 17-Oct-03
For technical questions contact: [email protected]
www.vishay.com
193
1 page  
www.DataSheet4U.com
Double Layer Capacitors
196 DLC
Vishay BCcomponents
DISCHARGE CHARACTERISTICS
Backup time of 196 DLC series capacitors depends on
minimum memory holding voltage and discharge current
(corresponding with the current consumption of the load).
For minimum backup times of standard and vertical
miniaturized series see Figs 9 and 10 (charging time
≥ 24 hours).
10 5
back up
time
(s)
10 4
MGA695
10 3 1
2
3
10 2 4
5
10
10 3
10 2
Curve 1: 1.0 F, 5.5 V.
Curve 2: 0.47 F, 5.5 V.
Curve 3: 0.22 F, 5.5 V.
Curve 4: 0.1 F, 5.5 V.
Curve 5: 0.047 F, 5.5 V.
Voltage drop from 5.0 to 3.5 V.
10 1
1
discharge current (mA)
10
Fig.9 Typical backup time as a function of discharge current.
10 6
back up
time
(s)
10 5
MGA696
10 4
1
2
10 3
3
10 2
10 3
10 2
Curve 1: 1.0 F, 5.5 V.
Curve 2: 0.47 F, 5.5 V.
Curve 3: 0.22 F, 5.5 V.
Curve 4: 0.1 F, 5.5 V.
Curve 5: 0.047 F, 5.5 V.
Voltage drop from 5.0 to 2.0 V.
10 1
4
5
1
discharge current (mA)
10
Fig.10 Typical backup time as a function of discharge current.
Figure 11 shows the backup time when a 196 DLC capacitor
is discharged by a constant resistance
(charging time ≥ 24 hours).
The horizontal axis shows the initial value of discharge
current if 5 V is connected to the capacitor via a fixed series
resistor.
EXAMPLE: 1 µA CORRESPONDS TO 5 MΩ AND 0.1 µA
CORRESPONDS TO 50 MΩ
The vertical axis shows that period of time during which the
voltage drops from 5 to 2 V.
103
backup
time
(h)
102
10
MLB203
1
2
3
4
5
1
10 2
10 1
1 10 10 2 10 3
initial value of discharge current (µA)
Curve 1: 1.0 F, 5.5 V.
Curve 2: 0.47 F, 5.5 V.
Curve 3: 0.22 F, 5.5 V.
Curve 4: 0.1 F, 5.5 V.
Curve 5: 0.047 F, 5.5 V.
Voltage drop from 5.0 to 2.0 V by means of a fixed resistor..
Fig.11 Typical backup time as a function of initial
discharge current.
Document Number: 28362
Revision: 17-Oct-03
For technical questions contact: [email protected]
www.vishay.com
197
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| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet 196DLC.PDF ] | |
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