ECW-F4563HL

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Film Capacitors

Film capacitors are electronic components that are used to store energy. They are widely used in many modern electronic products like televisions, radios, cell phones, computers and other digital products. The ECW-F4563HL is one of the most widely used type of film capacitors. It has been used in many consumer electric and industrial products.

Application Field of ECW-F4563HL

The ECW-F4563HL is designed for application in both ac and dc power supplies, such as industrial HF/IF and UPS (Uninterruptible Power Supply). They provide excellent performance and reliability with controlled inductance for operation at dc bias, and excellent capacitance stability with temperature and time. In addition, it also exhibits low dissipation factor and ultra-high insulation resistance and can be used in various switching power applications like AC/DC converters and inverters.

Working Principle of ECW-F4563HL

Film capacitors are constructed using thin and highly flexible electrically insulating material. The ECW-F4563HL is made of Polyethylene-naphthalate (PEN) film and is therefore also known as a Metallized Polyethylene-naphthalate film capacitor. The capacitor works by having two plates (electrodes) with an intervening dielectric (insulator) material between them, which in this case is PEN film. When a voltage (Vac) is applied across the capacitor, an electric field develops between the two opposite electrodes, causing the electrons at the negative electrode to move towards the positive electrode.

This in turn produces a displacement current (Id) and decreases the electric field, while a cell polarization process occurs at the same time, meaning the two electrodes are attracted to each other, resulting in a capacitance (C) depending on the surface area of the electrodes and their separation distance. The capacitance of the ECW-F4563HL is typically higher than conventional types and they are also relatively small in size, which makes them ideal for use in tight spaces or confined areas. Moreover, they are highly reliable due to the thin PEN film and offer greater service life than standard capacitor types like electrolytic.

Conclusion

The ECW-F4563HL is a type of film capacitor designed for use in power supplies, such as industrial HF/IF and UPS. These capacitors offer excellent performance and reliability with controlled inductance for operation at dc bias, and can also handle higher voltage, are more reliable and have a longer service life than other capacitor types. The working principle of the ECW-F4563HL is based on the movement of electrons between two opposite electrodes, which produces a displacement current and decreases the electric field, thereby creating a capacitance value that can be used for various applications.

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