150394K400JE

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Film Capacitors

Film capacitors, or plastic film capacitors, are capacitors that use plastic film as the dielectric. The plastic film is typically a thin polymer film, which acts as the dielectric, and two metal electrodes for the internal electric field. It is sometimes referred to as a polyester capacitor or a polyethylene-terephthalate ( PET ) capacitor. Film capacitors are widely used in a number of different areas, including AC/DC and audio applications due to their excellent electrical characteristics and low cost. This article will discuss the application field and working principle of the 150394K400JE model of film capacitor.

Application Field

The 150394K400JE film capacitor is mainly used in AC and DC power applications, as well as audio applications. Some of the specific applications of this film capacitor are as follows:

• DC (Direct Current) power supplies and DC power circuits.
• AC (Alternating Current) applications.
• Filter circuits, such as those found in high frequency applications.
• Inverter and battery-backed circuits.
• Audio power amplifiers and audio frequency circuits.

Working Principle

A film capacitor is a type of capacitor that uses a plastic film as the dielectric. The dielectric is usually a thin polymer film, such as polyethylene terephthalate (PET). The film is then sandwiched between two conductive plates which act as the electrodes of the capacitor. When an electric field is applied, the negative and positive charges in the plastic film are separated and a polarization occurs. The polarization creates an electric dipole, allowing the capacitor to store electrical energy.

The 150394K400JE film capacitor is a high voltage-rated, non-polarized, metallized polyester film capacitor. It features a voltage rating of 400 volts, 30PF capacitance range and operating temperature range of -55°C to 105°C. It also features low ESR, high thermal performance and low leakage current.

Conclusion

A film capacitor is a type of capacitor that uses plastic film as the dielectric. The 150394K400JE model of film capacitor is mainly used in AC/DC power and audio applications, due to its excellent electrical characteristics and low cost. When an electric field is applied, the negative and positive charges in the plastic film are separated and a polarization occurs, allowing the capacitor to store electrical energy.

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