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Film Capacitors

The BFC237225184 is one type of an electrical film capacitor. It belongs to the broad category of film capacitors, typified by its dielectric thin film polyester composition. This presents unique advantages over more traditional paper capacitors. The specific characteristics that make the BFC237225184 desirable are its low ESR, high ripple current, and high insulation resistance.

Application Field

The application field of the BFC237225184 capacitor is extended in many industries, such as: audio/visual equipment, automotive, computers, switch mode power supplies and motors drives. It is popular for its capability of high frequency use up to 45kHz, withstanding high temperature up to 105°C, high ripple current capability and its high insulation resistance.

Working Principle

The working principle behind electric film capacitors was first discovered in the 1960s. It relies on a process known as “dielectric relaxation” which means that the electrical field maintains an even distribution across a thin film. This thin film acts as a barrier between the two poles of the electricity, creating a capacitance that is effective even at high frequencies and under extreme conditions.

Electric film capacitors are constructed by winding two electrodes, each wound with a thin polyester dielectric film. The two electrodes are connected in parallel, enabling large capacitances and high pulse current loads. The dielectric layer helps stabilize the capacitance, increasing it under higher frequencies and decreasing it under high temperature.

Conclusion

The BFC237225184 capacitor is an ideal choice for various applications due to its high capacitance and pulse current capability. Its dielectric thin film polyester composition provides high insulation resistance and excellent stability, even under extreme conditions. Its wide range of applications and its high endurance levels make it a highly popular choice for those dealing with electric film capacitors.

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