ECW-F4114JL

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Film Capacitors

Film capacitors are one of the major categories of capacitor designs and are an important part of the modern electrical and electronic circuits. The ECW-F4114JL is a very popular film capacitor for a variety of applications. This article looks at the application field and working principle behind this type of capacitor.

Application Field

The ECW-F4114JL is a metallized polyester film capacitor. Metallized film capacitors are commonly used in EMI filter circuits, motor running applications and motor start capacitors. The F4114JL is particularly suitable for high voltage applications and power electronic equipment like power supplies and inverters. In addition, the F4114JL is designed for large current carrying ability and extended life.

The F4114JL also has excellent pulse response characteristics and low dielectric losses, Both of these features make the F4114JL a suitable choice for high frequency applications. Whatever the application, the F4114JL is a reliable, dependable and cost-effective choice.

Working Principle

The F4114JL is an aluminum electrolytic capacitor, built with metallized polyester film. The capacitance is achieved by creating an electric charge on the the two electrode layers, which is then trapped between the two layers of metallized polyester film. This creates a kind of insulator, known as a dielectric, that stores the electrical energy between the two layers.

Aluminum electrolytic capacitors are unique in that they are able to store electrical energy for long periods of time - much longer than other types of capacitor designs. This durability is achieved because the dielectric material (the metallized polyester film) is treated in such a way to reduce the amount of chemical decomposition which can occur over time. The longer life expectancy of aluminum electrolytic capacitors makes them particularly suitable for applications where electrical energy must be stored for an extended period of time.

To ensure the highest performance and minimize the threat of electric shock, the F4114JL has a safety vent which opens up when there is an internal short circuit or when the capacitor reaches a excessive internal pressure. This allows any possible gasses that may form inside the capacitor to be vented, ensuring that the capacitor remains safe and reliable.

Conclusion

The ECW-F4114JL is an aluminum electrolytic capacitor built with metallized polyester film. It is an excellent choice for a variety of applications, particularly those requiring high voltage, high current carrying capacity and extended life. The low dielectric losses and excellent pulse response make it particularly suitable for high frequency applications. Finally, its safety vent ensures that any electric shock or excessive internal pressure is safely vented away, making this a reliable choice for any application.

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