UCM1E821MNL1GS Capacitors

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Aluminum Electrolytic Capacitors are a type of capacitor which uses aluminum as an anode and oxide as a cathode in order to store energy. The UCM1E821MNL1GS is an aluminum electrolytic capacitor that is usually used in the audio frequency range and is capable of operating with a maximum capacitance of 1050µF. The operating voltage of this capacitor ranges from 100V to 200V and the temperature range is -40°C to +105°C.

Aluminum Electrolytic Capacitors are typically used in applications where a high capacitance is needed in a limited space, such as for audio and radio frequency (RF) filtering. In audio applications, these capacitors are used as part of a crossover network in order to roll off the frequencies at different ranges. In RF circuits, they can be used to smooth out fluctuations in power while providing increased power output efficiency.

The construction of an aluminum electrolytic capacitor involves an anode, a dielectric layer, and a cathode. The anode is made from aluminum foil, which is etched and then a thin layer of oxide is formed on the surface. This oxide layer acts as the dielectric for the capacitor. The cathode is typically made from a paper or polymer material but may also be made from aluminum if a thinner dielectric is desired. This construction creates a low-leakage capacitor with a voltage rating higher than most other capacitors.

The working principle of an aluminum electrolytic capacitor is based on a dielectric layer of aluminum oxide that is formed when a voltage is applied to the anode of the capacitor. The oxide layer forms an electric field which is strong enough to store charge and maintain a certain amount of energy. When a reverse voltage is applied to the anode, the oxide layer becomes thinner and allows electrons to move through it, effectively discharging the capacitor.

Aluminum electrolytic capacitors are typically used in applications where space is limited and where high capacitance is needed in a short time frame. They are particularly suited to filtering audio and RF signals, and can also be used as energy storage to smooth out fluctuations in power in devices such as power supplies. The UCM1E821MNL1GS aluminum electrolytic capacitor is an example of an industry-standard capacitor which can be used in a variety of applications.

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