BF014D0273K

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Film Capacitors

Film capacitors, also known as plastic film capacitors or polymer dielectric capacitors, are a type of capacitor that uses an insulating plastic film as the dielectric and metal electrodes to store energy. They are used in a wide range of consumer electronics, such as TVs, computers, and audio/video equipment, as well as in high-power applications such as electric vehicles, power supplies, and power amplifiers.

The BF014D0273K is a type of film capacitor that is used mainly in the industrial and medical applications. It has a film of high-density polyethylene with three conductive layers and a surface finish made of solder. It has a maximum working temperature of +85°C and a voltage rating of up to 250V.

Application Field and Working Principle of the BF014D0273K

The BF014D0273K is often used in applications where a low ESR (equivalent series resistance) capacitance is necessary. The low ESR means that it can deliver high current at low temperatures, making it suitable for power supplies, power amplifiers and audio amplifiers. It also has a low inductance, which is beneficial in many high-frequency applications.

The working principle of the BF014D0273K is based on the dielectric theory of capacitors. This theory states that when two conductors are separated by an insulating material, the voltage difference between them produces an electric field, creating a potential difference. This potential difference is the capacitance. The BF014D0273K is a three-layer capacitor and so consists of two metal electrodes and one plastic dielectric. As voltage is applied, each layer of metal acts as an electrode and stores charge. The stored charge creates an electric field, which then produces a potential difference (the capacitance).

The BF014D0273K is an excellent choice for applications that require low leakage current, high precision, and a wide temperature range. Its low resistance and high current rating make it suitable for a variety of tasks, including high-power audio amplifiers, power supplies, and other industrial applications.

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