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Film Capacitors

Film capacitors, also known as plastic, film dielectric or poly film capacitors, are components used in electronic circuits to store electrical energy. Film capacitors use a thin plastic film as the dielectric and have two metal electrodes. The film is wound up in a cylindrical shape and the electrodes are encased in a physical protection element, usually a plastic. These capacitors are widely used in different kinds of electronics.

BFC237884753 Application Field and Working Principle

The BFC237884753 is a film capacitor with a dielectric of polycarbonate. It has a voltage rating of 250V and a capacitance range from 4.7nF to 6.8nF. The BFC237884753 is a radial leaded capacitor, meaning the leads are connected to opposite sides of the capacitor body. The leads are insulated in silicone rubber. It is typically used in audio and video equipment, as well as in power supplies and DC-to-DC converters.

The working principle of a film capacitor is based on the charging of the dielectric material. When a voltage is applied to the capacitor, the electrons move to create an electric field between the two metal plates, which results in an electric charge stored within the dielectric material. When the applied voltage is removed, the stored electric charge remains, allowing the capacitor to act as a temporary storehouse of electric energy.

The BFC237884753 has a capacitance tolerance of 5% and a temperature range of -40°C to 85°C. It has a high insulation resistance and low equivalent series resistance (ESR). It is also protected against vibration since it is encased in a physical shielding element.

The BFC237884753 is an ideal choice for audio and video equipment, as well as power supply applications that require high performance, reliable and cost-effective operation. It is also suitable for circuit designs where the capacitors are subject to vibration, high temperatures or low inductance requirements.

Conclusion

The BFC237884753 is a film capacitor that offers excellent performance and reliability in a variety of applications. It has a wide temperature range and is protected against vibration. It is a cost-effective solution for audio and video equipment, as well as power supply designs.

References

1. Taiwan Extended Electronics TEC TEce11-4173 Datasheet
2. How to Select the Appropriate Form Factor for your Electronic Components
3. Film Capacitor Basics

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