BFC246853155

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Film capacitors, also known as plastic film capacitors, are a type of capacitor used in many consumer and industrial electronic applications. The name comes from the fact that the dielectric material used in these capacitors is a thin plastic film. Film capacitors can be found in a wide variety of applications, from radios to motor controls and can be used for both AC and DC applications. One of the most popular film capacitors is the BFC24685315 series, which is a polyester film capacitor.

The BFC24685315 series of film capacitors has a dielectric of polyester (PET) film, which makes them good for AC applications with high-frequency switching. They are usually rectangular and feature two connections, which can be either radial or axial. The capacitance can range from 1pF up to 220nF and the rated voltage ranges from 200V to 250V. The insulation resistance, which is the measure of how well the film can resist electrical leakage, typically ranges from 30 MΩ up to 100 MΩ. The temperature coefficient of capacitance in these capacitors is typically between -15% and 125%.

As for the working principle, film capacitors use the dielectric property of the plastic film to store an electrical charge. The dielectric material, usually a polyester film like in the BFC24685315 series, is sandwiched between two conductive plates and a dielectric barrier. When a voltage is applied, the two plates of the capacitor become charged and the electrons are drawn to the opposite surfaces. This creates an electric field in the center of the capacitor, which is what allows it to store energy.

The BFC24685315 series of film capacitors are used in many different applications, such as motor controls, radio circuits, communication systems, power electronics, and other power supply switching applications. The fact that they have a high insulation resistance makes them ideal for these applications, as it helps to reduce the amount of electrical leakage which can affect the performance of the system. Their low temperature coefficient of capacitance also makes them well suited for applications where the temperature changes frequently.

In conclusion, the BFC24685315 series of film capacitors are one of the most popular types of capacitors due to their high insulation resistance and low temperature coefficient of capacitance. These features make them an ideal choice for a wide range of applications, from radio circuitry to motor controls and power electronics.

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