SFA66T10K475B-F

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Film Capacitors

Film capacitors are an essential and versatile type of capacitor used in many different applications including radio and loudspeaker systems, automotive and telecommunications circuits. The SFA66T10K475B-F is a radial film capacitor based on polypropylene dielectric material and is typically used for AC power supply applications.

Application Field

The SFA66T10K475B-F is a popular choice for AC power supply applications, in particular for those requiring high working voltages. This type of capacitor typically finds application in commonly used AC power supplies, including those in domestic appliances, electronic motor starters or television picture tube power supplies. The capacitor is also suitable for use in power factor correction circuits such as those found in UPS systems and lighting systems.

In addition to its suitability for AC power supply applications, the SFA66T10K475B-F capacitor is also used in a wide range of audio equipment. This type of capacitor is ideal for loudspeaker crossover circuits, providing a high level of performance in both low frequency and high frequency applications. The capacitor is also used as part of radio receiver circuits and as part of the audio circuitry of audio amplifiers.

Working Principle

Capacitors generally work by storing and releasing electrical energy back into the circuit. The SFA66T10K475B-F capacitor works in a similar way, with the phrase “film capacitor” referring to the thin plastic films or metalized films used as the dielectric material and the term “radial” indicating that the capacitor has an external housing. The plastic films or metalized films are extremely thin, allowing them to achieve tremendously high dielectric constant and extremely low equivalent series resistance values.

In addition to storing and releasing electrical energy back into the circuit, the SFA66T10K475B-F capacitor is also able to reduce or eliminate electrical interference generated in the same circuit. This is achieved by the capacitor absorbing and increasing the common-mode voltage in the circuit, thereby reducing the level of interference and ensuring reliable operation.

The SFA66T10K475B-F is able to work at AC frequencies up to 20kHz and is able to maintain its performance characteristics when exposed to high and low temperatures as well as other environmental hazards. Therefore, this type of capacitor is suitable for a wide range of AC power supply applications across different industries.

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