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PDF ALT20A681CD200 Data sheet ( Hoja de datos )
| Número de pieza | ALT20A681CD200 | |
| Descripción | Pin/Solder Tag/Audio Aluminum Electrolytic Capacitors | |
| Fabricantes | Kemet | |
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Pin/Solder Tag/Audio Aluminum Electrolytic Capacitors
ALP20 and ALT20/21 Series, +85°C
Overview
KEMET's ALP20 and ALT20/21 Series of capacitors features
low ESR, high ripple current ratings and outstandingly good high
frequency impedance.
Applications
It should be pointed out that the ALP solder pin and ALT
solder tag range details are incorporated herein, primarily, for
maintenance/replacement purposes.
Benefits
• Solder tag (ALT) and DIN standard solder pin (ALP)
• Long life, up to 26,000 hours at +85°C
• ALC snap-in should be considered for new designs
Part Number System
ALP
Series
ALP = Solder pin
ALT = Solder tag
20A
Version
20A = Standard
21A = Threaded
Mounting Stud (ALT
only)
682
Capacitance Code (µF)
First 2 digits equals first 2
significant figures, 3rd digit is
number of zeros
AB
Size Code
See Dimension Table
010 = 10
025 = 25
040 = 40
063 = 63
100 = 100
010
Voltage (VDC)
200 = 200
250 = 250
385 = 385
400 = 400
450 = 450
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
One world. One KEMET
A4040_ALP_T20_21 • 6/5/2014 1
1 page  
Pin/Solder Tag/Audio Aluminum Electrolytic Capacitors – ALP20 and ALT20/21 Series, +85°C
Shelf Life
The capacitance, ESR and impedance of a capacitor will not change significantly after extended storage periods, however the leakage
current will very slowly increase. KEMET products are particularly stable and allow a shelf life in excess of three years at 40°C. See
sectional specification under each product series for specific data.
Re-age (Reforming) Procedure
Apply the rated voltage to the capacitor at room temperature for a period of one hour, or until the leakage current has fallen to a steady
value below the specified limit. During re-aging a maximum charging current of twice the specified leakage current or 5 mA (whichever
is greater) is suggested.
Reliability
The reliability of a component can be defined as the probability that it will perform satisfactorily under a given set of conditions for a
given length of time.
In practice, it is impossible to predict with absolute certainty how any individual component will perform; thus, we must utilize probability
theory. It is also necessary to clearly define the level of stress involved (e.g. operating voltage, ripple current, temperature and time).
Finally, the meaning of satisfactory performance must be defined by specifying a set of conditions which determine the end of life of the
component.
Reliability as a function of time, R(t), is normally expressed as: R(t)=e-λt
where R(t) is the probability that the component will perform satisfactorily for time t, and λ is the failure rate.
Failure Rate
The failure rate is the number of components failing per unit time. The failure rate of most electronic components follows the
characteristic pattern:
• Early failures are removed during the manufacturing process.
• The operational life is characterized by a constant failure rate.
• The wear out period is characterized by a rapidly increasing failure rate.
The failures in time (FIT) are given with a 60% confidence level for the various type codes. By convention, FIT is expressed as 1 x 10-9
failures per hour. Failure rate is also expressed as a percentage of failures per 1,000 hours.
e.g., 100 FIT = 1 x 10-7 failures per hour = 0.01%/1,000 hours
End of Life Definition
Catastrophic Failure: short circuit, open circuit or safety vent operation
Parametric Failure:
• Change in capacitance > ±10%
• Leakage current > specified limit
• ESR > 2 x initial ESR value
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.com
A4040_ALP_T20_21 • 6/5/2014 5
5 Page | ||
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| PDF Descargar | [ Datasheet ALT20A681CD200.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
| ALT20A681CD200 | Pin/Solder Tag/Audio Aluminum Electrolytic Capacitors | Kemet |
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