BFC247021333

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Film Capacitors

Film capacitors are passive components used for energy storage and noise attenuation. They are composed of a dielectric or insulating film sandwiched between metal plates or electrodes. The dielectric film enables a charge to be stored between the inner two electrodes and can provide a variable capacitance up to many hundreds of microfarad depending on the size of the device. Film capacitors are typically used for applications such as filtering, decoupling, bypassing, coupling, energy storage and voltage divider circuits.

BFC247021333 is an electrostatically-coupled film capacitor manufactured by Kepco. It has a dielectric of polypropylene film and two metallized electrodes with a maximum capacitance of 0.15µF. Because of its low temperature coefficient and small size, BFC247021333 is suitable for high-frequency, low-power applications.

Application field

The BFC247021333 can be used for a variety of applications, including resonant circuit applications where a moderate value of capacitance is needed; filtering circuits, as it has a various range of capacitance values; and bypassing applications, as it has a low impedance due to the dielectric properties. It can also be used as a voltage divider in signal conditioning systems, providing a stable reference voltage in rectification circuits.

Working principle

A film capacitor is composed of two metal plates, or electrodes, bonded to a dielectric film. When a voltage is applied across the two electrodes, a charge is induced between them. This charge will remain until the applied voltage is removed, allowing the capacitor to store energy for later use. The film capacitor\'s capacitance is proportional to the material used for the dielectric film, as well as the distance between the electrodes. The dielectric properties of the film determine the capacitor\'s resistance to stray electromagnetic fields.

One of the advantages of film capacitors is that they are very reliable, have a low temperature coefficient, and are not prone to mechanical damage. This makes them suitable for a range of applications, particularly in the telecommunications industry. The BFC247021333 is a top-of-the-line film capacitor and is designed to provide reliable performance and long life.

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