UPM1H820MPD1TD Capacitors

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	0.650" (16.50mm)
Size / Dimension:	0.315" Dia (8.00mm)
Lead Spacing:	0.138" (3.50mm)
Impedance:	170 mOhms
Ripple Current @ Low Frequency:	320mA @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	UPM
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	--
Voltage - Rated:	50V
Tolerance:	±20%
Capacitance:	82µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor (also known as an Al-cap, an electrolytic, or a wet capacitor) is an electronic component that functions much like a ceramic capacitor, but offers a higher capacity in a smaller package.Unlike conventional electrolytic capacitors, the UPM1H820MPD1TD aluminum electrolytic capacitor utilizes solid electrolyte material and exhibits superior performance in various electrical and environmental conditions.

Applications

UPM1H820MPD1TD aluminum electrolytic capacitors are a popular choice for their wide range of uses in applications such as power supplies, audio and video systems, computers and communications equipment, office automation equipment and automotive electronics. An aluminum electrolytic capacitor is especially beneficial for reducing voltage ripple in switching power supplies and for smoothing output in DC/DC converters, in addition to helping protect against noise interference.Because aluminum electrolytic capacitors provide long reliable use, they are commonly used in electronic devices that require reliable, long-term operation and stability, such as medical equipment, power amplifiers, and consumer electronic gadgets. Aluminum electrolytic capacitors can also provide surge current support in applications with high peak load conditions, making them a valuable component in many power electronics and power conversion systems.

Working Principle

The UPM1H820MPD1TD aluminum electrolytic capacitor is composed of an anode of aluminum foil, an electrolyte made of an aluminum oxide film, and a cathode of electrolyte solution. When a voltage is applied across the two current-carrying surfaces, the capacitor stores electrical energy via a redistribution of ions from the electrolyte solution and an applied voltage, which forms electron-hole pairs in the oxide film. This effect is known as double-layer capacitance. The greater the dielectric strength of the oxide layer, the higher the voltage can be applied across the capacitor, making aluminum electrolytic capacitors particularly well suited for applications where a large capacitance value is necessary. By their very nature, aluminum electrolytic capacitors differ from other types of capacitors in that they are able to store charge for longer periods of time and support larger capacitance values.

Conclusion

The UPM1H820MPD1TD aluminum electrolytic capacitor is a popular choice for reliable, long-term operation and stability in a variety of applications such as power supplies, audio and video systems, computers and communications equipment, office automation equipment and automotive electronics. Its special construction allows it to store electrical energy and thus provide a high capacity in a small package. Moreover, its double-layer capacitance provides a high dielectric strength, which makes it well suited for applications with high voltage and large capacitance values.

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