BFC247035104

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Film Capacitors

Film capacitors are a type of capacitor composed of a plastic film dielectric (often polyester, polypropylene, polycarbonate, polyethylene naphthalate [PEN], polytetrafluoroethylene, or polyphenylene sulfide [PPS]), and two or more metallic electrode layers or metallized layers bonded to each side of the film.The film capacitor has low equivalent series resistance (ESR), high insulation resistance, low losses, low self-induction, low dielectric absorption, and excellent performance even at high frequencies.

BFC247035104 application field and working principle

The BFC247035104 film capacitor features a voltage rating of 250VDC and a maximum operating temperature of 85℃. It is suitable for AC motor speed control applications, voltage stabilizing circuits, UPS power supply filtering, power supply units switching power supply filtering, and other applications where high surge current and high frequency are needed. It has a high volumetric efficiency, ideal low ESR, and temperature stability.

The working principle is based on the same concept as other capacitors. A film capacitor consists of two conductive plates or electrodes separated by a thin, non-conductive film. The plates are connected to the electrical circuit, and an electric charge is stored on the capacitor in the form of an electric field between the two plates. This electric field is constantly discharged back into the electrical circuit until the capacitor reaches its maximum charge, allowing current to flow until it is fully discharged. The amount of charge that can be stored on the capacitor is determined by the area of the electrode plates and the dielectric strength of the film.

The BFC247035104 film capacitors provide excellent performance in power supply circuits and low-frequency networking. The rated voltage ensures reliable operation and the low dielectric absorption ensures safe and efficient electrical flow even at high frequency levels. In addition, the low ESR also helps reduce mechanical stress on the components and helps to reduce the total operating temperature.

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