BFC237045472

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Film Capacitors

Film capacitors, sometimes referred to as polyester capacitors, are electrical components consisting of two conductive metal plates separated by a dielectric film. Common film capacitors are constructed from an electrolytic material such as polyester, polycarbonate, polypropylene or polystyrene.

BFC237045472 Application Field and Working Principle

Film capacitors are generally used in applications where low leakage, low ESR, low dissipation factors, wide frequency bandwidth and high reliability are required. Due to their construction, film capacitors are often ideal for AC applications.

BFC237045472 is an AC film capacitor used for circuits in which the dielectric consists of a synthetic sheet film metallized with aluminum or zinc. The metallized layer creates electrodes with extremely low contact resistance. These capacitors are well-suited for all kinds of AC applications, including power supplies, high-speed amplifiers, switching power supplies, UPS systems, and automotive and industrial automation equipment.

At its most basic, the working principle of BFC237045472 is straightforward: when a voltage is applied to the capacitor, an electric field forms across the capacitors dielectric that starts to store electrical energy, forcing current to flow through the capacitor. This current creates both a positive and negative charge on the metal plates, causing an electrical field to be generated across the gap between the plates. The electrical field generated between the plates helps to retain the charge in the capacitors plates, and as such a capacitor continues to store electrical energy even when the applied voltage is removed.

BFC237045472 is designed to be stable in demanding applications where capacitors are subject to high temperature and high current conditions. This capacitor is designed to operate on frequencies up to 250 kHz, ensuring excellent performance in high-frequency systems. It is also characterized by high column strength, high ripple current, and high insulation resistance for extended life.

BFC237045472 can provide superior protection and reliability in applications such as filters, switching power supplies, pulse amplifiers, and acoustic filtering. When correctly chosen, BFC237045472 can offer excellent electrical performance in high-frequency AC applications where stable capacitance, low leakage, low ESR, and high insulation resistance are required.

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