BFC237058182

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Film Capacitors

Film capacitors, also known as plastic film capacitors, paper capacitors or foil capacitors, are electrical capacitors held together using a thin dielectric material. A film capacitor is an electronic component widely used in many electrical circuits for AC and DC applications due to its various advantageous features. When properly designed, film capacitors provide excellent electrical characteristics such as high capacitance, high energy density, high Q, excellent load-life reliability, low leakage and low inductance. The most common type of film capacitor is the BFC237058182, which is characterized by its high capacitance and its workable range of temperature.

Application Field of BFC237058182

BFC237058182 film capacitors are used in many applications including power supplies, display circuits, lighting and ballast applications, drives, switch mode power supplies, discharging circuits, AC filter networks and power factor correction circuits. They also have advantageous features such as no wear out, low ESR, low ripple current and long lifetimes.

Working Principle of BFC237058182

The working principle of a BFC237058182 film capacitor is based on the electrostatic storage of energy. The body of the capacitor consists of two surfaces, separated by a thin dielectric film. When a voltage is applied to the capacitor, electric charges are alternatingly attracted and repelled between the two surfaces, creating a phenomenon known as electric double layer, which produces a dual charge effect. The energy required to produce the electric field is stored in the dielectric film, increasing the capacitance of the capacitor.

In normal operation, the behaviour is highly influenced by the applied voltage, temperature and time. The capacitance of the BFC237058182 film capacitor will increase with frequency and decrease with temperature. When exposed to high temperatures, the insulation properties of the capacitor will gradually deteriorate. To ensure reliable operation, the capacitor should be selected and matched to the application design.

Conclusion

BFC237058182 film capacitors are widely used in many electronic circuits, mainly due to their advantageous features such as high capacitance and robust design. Their working principle is based on the electrostatic charge storage of energy, where an electric field is generated inside an insulating material. BFC237058182 film capacitors are recommended for applications that require reliable operation and low levels of ESR and leakage currents.

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