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Film Capacitors

A film capacitor, also known as a plastic film capacitor, dielectric film capacitor, film dielectric capacitor, or polymer film capacitor, is an electrical capacitor whose capacitance is achieved by using a carious film as the dielectric layer. This film can be the plastic polymer material called polystyrene, or polypropylene, polyethylene, polyester, and other various materials.

The ECQ-V1J394JMW is a commercial grade film capacitor from Panasonic. It is a polarised capacitor constructed from multiple layers of polypropylene film dielect best suited for for filtering and low frequency circuit applications like audio control and power supply.

This capacitor has a voltage rating of 250V AC (1000V DC) and is usage is limited to temperatures of up to 85°C. The capacitance range for this type of capacitor is 0.47μF to 2.2μF. Furthermore, the ECQ-V1J394JMW is lead type devices with a self-healing attribute, making it highly reliable and suitable for a large variety of applications.

Application Field and Working Principle

The ECQ-V1J394JMW is suitable for for use in many applications ranging from AC motors to radio antennas. Its superior performance makes it a great choice for power supplies, feedback circuits, and other applications that require high-density filtering. In addition, the ECQ-V1J394JMW can be used for bypassing, coupling, and energy storage, as well as for interference suppression.

The ECQ-V1J394JMW works by storing large amounts of electrical energy between two electrodes separated by a dielectric medium. When connected in series with a DC voltage supply, the device acts as a DC voltage filter, allowing electric current to flow while controlling the voltage. In AC applications, current in both directions is allowed to pass while maintaining a constant peak voltage.

The film capacitor has two terminals, which act as a conductor for electrical charges. The capacitor is an energy storage device because it stores the charges for a short period of time. This allows the capacitor to hold and charge the potential energy, ready to be discharged when needed. The capacitance of the film capacitor determines the rate at which the charges will be discharged, and the dielectric used between the two terminals is important in determining how much resistance the film capacitor will offer.

ECQ-V1J394JMW is a reliable and highly efficient film capacitor from Panasonic. Its wide range of applications and superior performance make it a popular choice for a number of electrical projects. Its self-healing attribute ensures that it is highly reliable even in extreme conditions, making it suitable for a variety of applications.

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