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Film Capacitors

Film capacitors, also known as metallized film capacitors, are made from metalized plastic films such as polyester or polypropylene that are wrapped around a support insulating material. These capacitors have become increasingly popular in audio applications since they have higher stability, lower dielectric absorption, and higher dielectric strength than polarized electrolytic capacitors.

The 947C491K801CBM is an example of a film capacitor. This film capacitor is a non-polarized, Polypropylene Metallized paper film capacitor. It has a rated voltage of 50V DC and a capacitance of 4.7uF. This capacitor offers low ESR (Equivalent Series Resistance) and high ripple current capabilities. This is a popular choice for audio applications such as creating a louder, fuller sound in guitar amplifiers.

The 947C491K801CBM works by trapping electric charges between two metal plates. This creates an electric field which is lead by th unit\'s dielectric material which stores electrical potential energy. When a voltage is applied, the electrical potential energy causes a current to flow which varies the capacitance. This stored energy can then be released in applications such as audio, where the amplifier is used to drive loudspeakers in order to produce sound.

The 947C491K801CBM is a very common film capacitor used in many applications. It is commonly used in power supplies, high frequency resonant circuits, switch mode power supplies, noise reduction filters, audio amplification, computer peripherals, and more.

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