C274ACF4200SA0J

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Film capacitors

Film capacitors, also known as plastic film capacitors, are a type of capacitor which uses a pressure-sensitive, dielectric film of plastic such as polypropylene, Mylar or Polyester as their dielectric material. They can be polarized or non-polarized, depending on the film used and the way it is constructed. Film capacitors are most commonly used in high-frequency applications, due to their low inherent capacitance variation and self-healing properties.

C274ACF4200SA0J application field and working principle

The C274ACF4200SA0J is a plastic film type capacitor suitable for use in the frequency range between 0 and 20kHz. It is a non-polarized capacitor with a capacity of 0.0093μF, a maximum operating temperature of 105°C, and a maximum working voltage of 200VAC. The C274ACF4200SA0J is best suited for applications such as film capacitors, audio power supplies, high-end AV amplifiers, speaker protection filters, and multi-layer printed circuit boards.

This type of capacitor works on the principle of electrostatic charge. When a voltage is applied across its two terminals an electric field is generated across its dielectric material, resulting in electrical charges being stored in the capacitor. This charge is then able to be discharged when the voltage applied to the capacitor is either decreased or cut off. This capacitance can vary depending on the material used and the thickness and size of the dielectric layer. The insulation between the plates helps to ensure that the charges stored on the capacitor are not discharged until a voltage is applied to the capacitor.

Due to their non-polarized design, film capacitors such as the C274ACF4200SA0J are particularly well suited for applications requiring high-frequency operation, such as audio power supplies, speaker protection filters, and multi-layer printed circuit boards. These capacitors are also well suited for synchronous AC or DC applications in which the polarity must remain constant, or in which a high capacitance must be maintained with minimum capacitance variation. Film capacitors provide excellent frequency and temperature stability, low dielectric loss, and good self-healing properties.

In conclusion, the C274ACF4200SA0J is a plastic film type capacitor specifically designed for use in high-frequency applications. Its non-polarized design, high capacitance, low dielectric loss, and excellent self-healing properties make it an ideal choice for audio power supplies, high-end AV amplifiers, speaker protection filters, and multi-layer printed circuit boards.

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