BFC237523132

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Film Capacitors

The BFC237523132 capacitors are based on film capacitors and are part of a class of components typically referred to as dielectric capacitors. The major difference between this type of capacitor and other dielectric capacitors is that a film is used as the insulating medium between the capacitor\'s electrodes.

Device Classification

Film capacitors have high insulation resistance, low leakage, low loss, superior electrical characteristics, mechanical stability, and a long service life under various environmental conditions. The BFC237523132 capacitors have excellent temperature stability and excellent peak voltage capabilities. They are often used in a variety of applications such as power supply circuits, communications circuits, medical device circuits, electrical measurement components and audio equipment. Their high dielectric strength makes them ideal for use in high voltage applications.

Principle Of Operation

A film capacitor operates through the principle of electrostatic capacitance, which is the ability of an electrical conductor to store an electrical charge when placed between two conductors with an insulator between them. In essence, the insulator prevents current from flowing between the two conductors, but allows electrons from one conductor to collect on the other. The amount of electrical charge that can be stored is proportional to the surface area of the two conductors and the distance between them.

Construction

The BFC237523132 capacitors consist of two metallized polyester film electrodes with paper as the dielectric layer between them. This dielectric layer is wound very tightly together making them able to produce a very small volume factor, often less than 20%. This type of construction results in a capacitor with high capacitance-voltage characteristics and an excellent temperature stability of up to 0.3%. The metallized electrodes also make these capacitors robust enough to withstand high voltage transients and environmental influences.

Applications

BFC237523132 capacitors are commonly used in motor drives, switching circuits, pulse and signal filtration, and decoupling and AC filtering applications. They are often used in automotive and power transmission applications, as they have excellent insulation resistance and power handling capabilities. Film capacitors, such as this one, are also used in radio transmitters, AC inverters, and sub-sea applications. Their excellent high frequency characteristics make them perfect for use in small portable and handheld devices. As a result, BFC237523132 capacitors are also found in compressors and solar converters.

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