SFP40S20.5L288K-F

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Film capacitors are a type of capacitor that uses a dielectric film, usually a plastic film such as polysulfone, polyester, and polycarbonate, as its medium for storing and releasing electrical energy. These capacitors are widely used in many applications in which high capacitance, high voltage ratings, high insulation resistance, and low losses are important.

SFP40S20.5L288K-F is a film capacitor, which is specifically a polyester film capacitor. It is designed to provide excellent performance and superior service life. The device is highly suitable for applications such as AC power entry and filtering, as well as DC power smoothing and filtering.

The capacitance of the SFP40S20.5L288K-F is accurately regulated through a unique parallel structure, and it has low ESR and ESL, making it highly effective for use in switching power supplies and high-frequency rectifier applications. It also has excellent voltage derating performance and is suitable for use in AC and DC circuits. The device is UL approved and ENEC-certified.

The SFP40S20.5L288K-F is a three-terminal device. It consists of a polyester film, which acts as the dielectric, and two electrode structures, which are responsible for providing electrical connection between the terminals. The capacitance is regulated via a parallel structure, which enables it to withstand higher voltages.

In terms of its working principle, the SFP40S20.5L288K-F works by allowing an electric charge to flow through the dielectric material, and this process causes a voltage drop across the device. The voltage drop is determined by the size of the electrode gap, as well as the amount of dielectric material present between the electrodes. This voltage drop creates an electric field, which stores the charge and increases the capacitance of the SFP40S20.5L288K-F.

The SFP40S20.5L288K-F is designed for use in a variety of applications, including power supplies, radio frequency interference filters, and other high-frequency circuits. It can also be used in AC circuits for voltage-regulation purposes. Additionally, the device has low self-resonance frequency and low dielectric loss, making it suitable for use in high-frequency applications.

In summary, the SFP40S20.5L288K-F is a high-performance polyester film capacitor. It is designed for use in a variety of applications, such as AC power entry, DC power smoothing and filtering, and power supplies. Its capacitance is accurately regulated and it has low ESR and ESL, making it highly effective for use in switching power supplies and high-frequency rectifier applications. The device is UL approved and ENEC-certified.

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