SFT66T40K475B-F

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Film Capacitors

Film capacitors are sometimes called plastic film capacitors, available in various shapes and sizes. Their compact size makes them an ideal choice for many applications requiring minimal space and superior performance. The simplest are cylindrical or box-shaped, but they also come in more complicated block designs.

The SFT66T40K475B-F is a high performance film capacitor specializing in areas requiring superior stability and voltage resistance. It features an ultra-low-impedance design with an exceptionally-low ESR, allowing it to handle high voltages and frequencies in noisy environments. As a result, this film capacitor is ideal for applications such as communication systems, medical processing, radio and other high frequency/voltage circuits.

The working principle of a film capacitor is quite simple. It is composed of two electrodes separated by a dielectric dielectric. When a voltage is applied across the dielectric, the electric field created by the electrodes causes the dielectric material to polarize, creating an dielectric layer between the two electrodes. This layer prevents current from flowing through the capacitance, creating an electric field that stores energy. The capacitance of a film capacitor is determined by the thickness, area and dielectric constant of the dielectric material.

The SFT66T40K475B-F film capacitor stands out for its superior performance in many applications. Its very low ESR, high temperature tolerance, and superior energy storage capability make it ideal for high voltage and frequency circuits. Its excellent frequency-dependent characteristics also provide increased energy efficiency and better noise immunity, making it perfect for precision circuits. Additionally, the SFT66T40K475B-F can tolerate extreme temperatures, making it suitable for applications requiring continuous operation under high temperatures.

Overall, the SFT66T40K475B-F is a reliable, high performance film capacitor specially designed to meet the stringent demands of demanding applications. Its rated voltage and temperature range, superior energy handling capabilities, and high frequency-dependent characteristics make it ideally suited for applications requiring precision and high performance. As a result, the SFT66T40K475B-F has earned its place as one of the most sought-after film capacitors in the industry.

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