UPW1J101MPH

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most widely used capacitors due to their relatively low cost, large capacitance values, and small case sizes. This type of capacitor was invented in 1924 and has since been used for many applications. An aluminum electrolytic capacitor consists of an aluminum foil with an oxide layer. This oxide layer acts as the dielectric, and its thickness determines the capacitance of the capacitor. There is also a layer of electrolyte on the oxide layer, which acts as an electrical bridge between the two electrodes.

UPW1J101MPH Application Field and Working Principle

The UPW1J101MPH aluminum electrolytic capacitor is a miniature, radial leaded capacitor suitable for use in general-purpose applications. It features a high capacitance range of 10 µF to 68 µF with a rated voltage of 25V. The operating temperature range is -40°C to +85°C. With its small size, the UPW1J101MPH is perfect for compact electronic circuits.

The UPW1J101MPH uses a cylindrical aluminum case as its enclosure. It consists of an anode, cathode, and a rolled up tension strip. The anode is made of aluminum foil, and the cathode is made of steel. The electrolyte is usually a mixture of ethylene glycol and water. The anode is kept at a higher potential than the cathode, creating a voltage between them.

When a voltage is applied to the capacitor, the stored charge in the anode draws current. This current flows to the cathode through the electrolyte, which also acts as a dielectric. This charge transfer causes the electrolyte to build a very thin portion between the electrodes, which is known as the electrostatic field. This field stores the charge, and as a result, the capacitor stores an electrical charge.

The UPW1J101MPH is a popular choice in circuits where the application requires a momentary power supply, such as in automotive and consumer electronics. Its low ESL and its ability to operate in low temperatures make it a great choice for power supply applications. Additionally, these capacitors are often used for decoupling and noise reduction, making them a great choice for frequency-sensitive circuits.

In conclusion the UPW1J101MPH aluminum electrolytic capacitor is a miniature radial leaded capacitor suitable for use in general-purpose applications. This capacitor is a favorite amongst many engineers and circuits designers due to its small size, high capacitance and low case temperature. Additionally, its low Equivalent Series Resistance (ESL) and its ability to operate in low temperatures make it an ideal choice for power supply applications.

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