UPW1J390MEH

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most popular components used in the electronics world. They are a type of passive electrical component that stores electrical energy in an electric field. Aluminum electrolytic capacitors are a type of non-polarized capacitors that have a high capacitance and can be used in a range of different applications.

UPW1J390MEH Application Field

The UPW1J390MEH is a high-quality surface mount aluminum electrolytic capacitor from KEMET. It has a wide range of applications in electronic circuits, including their use as an energy storage mechanism in high frequency circuits such as radio frequency (RF) power amplifiers and filters. They are also used in power supply circuits, for smoothing peaks and providing additional energy storage during short power surges. In addition, they can be used in power factor correction circuits, switching power supplies, and noise filtering.

UPW1J390MEH Working Principle

Aluminum electrolytic capacitors work on the principle of storing energy in an electric field. An electrolyte is held between two surfaces - a metal plate and a dielectric material. When a voltage is applied to the capacitor, electrons are attracted to the positively charged plate. These electrons build up and create an electric field, thus storing energy. The greater the voltage, the more charge can be stored. As voltage is reduced, the capacitance of the capacitor is also reduced.

The UPW1J390MEH has a capacitance of 390 μF and a voltage rating of 25 V DC. It has an operating temperature range of -40°C to +85°C and a ripple current rating of 0.38 A @ 100 kHz. It features low leakage current, long life performance, and low impedance, making it ideal for a range of different applications.

Conclusion

Aluminum electrolytic capacitors, such as the UPW1J390MEH, are an essential part of any electronic circuit. They are used to store electrical energy in an electric field, allowing for smooth operation of the circuit. They come in a variety of sizes and voltages, and have a range of applications, from high frequency circuits to switching power supplies.

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