21FD3710-F

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Film capacitors, also known as plastic film or film foil capacitors, are a type of capacitor that are typically used in applications that require high reliability, temperature stability, low loss and/or low distortion. They are constructed using dielectric films such as polypropylene, polystyrene, polyethylene terephthalate or polycarbonate. The most common types are the Polypropylene (PP) and polyester types. Film capacitors are used in a range of applications including power supplies, signal processing, audio systems, instrumentation, communication systems and motor control.

21FD3710-F is a kind of film capacitor based on foil, which is widely used in many industrial applications. It mainly consists of solid dielectric film and two metallized electrode layers to form a capacitor. The dielectric film provides excellent high-frequency characteristics and excellent insulation. The metallized layer provides maximum performance and low distortion. It also has low power dissipation, low loss during temperature change and very high insulation resistance.

21FD3710-F is suitable for use in a range of power supply, signal processing, instrumentation, regulation, communications, rectification, battery charging, TV, surveillance, sound, industrial and consumer applications. It is able to operate at frequencies up to 25MHz, and withstand ripple currents of up to 4kHz. The capacitor is able to operate at voltage ratings of up to 1000V, and withstand surge peak voltages of up to 1000V. It offers a long service life, and features a high temperature and humidity resistance.

The working principle of the 21FD3710-F is based on the capacitance principles. The capacitor works by creating an electrostatic field between two metal plates which are electrically separated by a dielectric material, normally an insulator like film. As the plates are charged, their electric fields induce an opposite charge which results in an accumulation of charge in the dielectric. This creates a potential difference between the plates of the capacitor which stores the energy. This stored energy can be released again as electricity when the capacitor is discharged.

The 21FD3710-F is a self-healing film capacitor that is resistant to overvoltage, shock and vibration. It offers superior protection against overcurrents and shorts, and it is designed to absorb large spikes and transients associated with switching applications. It is also resistant to most acids, bases, solvents and oxidizing agents, which makes it suitable for many applications in the industrial environment.

Typical applications of the 21FD3710-F include power conversion, UPS systems, solar panels, motor drives, switching power supplies, frequency-controlled drives, general motor controls, motor starters, lighting systems, air conditioning systems, and many other industrial and consumer applications. They are also used in the automotive, transportation, audio and video electronics, home automation, and many other industries.

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