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Film Capacitors

Film capacitors, also known as plastic film capacitors, are non-polarized electrolytic capacitors that use ultra thin plastic films covered with metallic electrodes in order to provide good capacitance stability. These capacitors have low dissipation factor, and with the correct choice of plastic and electrodes, can prolong working life and provide good moisture resistance. The capacitance value of these capacitors can range from a few picofarads to several hundred microfarads.

BFC241962404 Application Field and Working Principle

The BFC241962404 is a plastic film capacitor with an electrical capacitance range of 3300pF ± 10%. It utilizes polypropylene film as the dielectric, and zinc for the metallization. The film capacitors with this type of construction provide the advantages of fast switching, low losses, and superior resonance damping. The device is commonly used in the audio and electromagnetic (EMI) noise filter field.

The working principle of the BFC241962404 is based on the idea of electrical charge storage. The capacitor is composed of two dielectric layers (commonly polypropylene) separated by an insulating material, and two electrodes, commonly made of zinc, on either side. When an AC voltage is applied across the capacitor, the layers of dielectric material become polarized, allowing electrical charge to flow from one plate to the other. The electric current is stored in the capacitor as an electrostatic field until the voltage drops to zero or a reverse voltage is applied.

The BFC241962404 is excellent for applications such as AC/DC power supplies, electricians, audio equipment, and more. Due to the precise construction and high quality materials, these capacitors are reliable and robust. In addition, the device’s low losses and excellent resonance damping provide efficient energy storage, making them ideal for most applications in the audio and EMI fields.

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