155PHC400KG

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Film capacitors, or film dielectric capacitors, are electrical components used in a variety of electronic applications. They are designed to store and release electrical energy and consist of alternating layers of two or more conductive plates, separated by insulation. The most common variety of film capacitor is the polyethylene terephthalate (PET) film capacitor, which is made using a polymer film coated with a conductive metallic oxide. Other film capacitor types include polypropylene, polycarbonate, and metalized polyester film.

155PHC400KG is a type of PET film capacitor. It is a single-phase metallized film capacitor with a metalized aluminum polyester dielectric. This capacitor is available in a wide variety of voltage ratings, from 10V to 150V, and in capacitance ratings ranging from 0.22nF to 2.2uF. Additionally, it is stable over a wide temperature range and has a very low self-discharge rate.

Application Field

The 155PHC400KG PET film capacitor is highly versatile and is suitable for a variety of electronic applications. It is commonly used for power supply filtering, timing applications, and signal filtering in automotive, consumer electronics, and industrial applications. Additionally, it can be used in high-voltage applications, as it is rated up to 150V. It is also popularly used in AC motor applications due to its low self-discharge rate.

Working Principle

The working principle of this type of film capacitor is the same as that of other capacitors. When an AC voltage is applied to a capacitor, an electric field is created between the plates of the capacitor. The electric field will cause the plates to become charged up with opposite charges, which store the electrical energy. When the voltage is removed, the electric field is dissipated and the energy stored in the capacitor is released.

The key difference between this type of PET film capacitor and other types of capacitors is the dielectric material used. The metalized PET film used as the dielectric in this capacitor has excellent insulation properties, resulting in higher voltage ratings and better stability. Additionally, the metalized PET film has a much lower dielectric loss than other types of capacitors, making them ideal for use in high-precision electronic applications.

In conclusion, the 155PHC400KG metalized polyester film capacitor is an ideal choice for a wide variety of electronic applications. Its excellent insulation properties, high voltage ratings, and low dielectric losses make it an ideal choice for automotive, consumer, and industrial applications, as well as AC motor applications. Its unique construction also allows it to work better in high-precision electronic applications.