ECQ-E1125KF3

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Capacitors have been around for centuries, and their array of applications has grown with the development of new products and inventions. Film capacitors are a type of capacitor that are made with a thin insulation film wrapped in metal foil. The ECQ-E1125KF3 is a popular film capacitor type that comes in a variety of sizes and shapes. This article will overview the application field and working principle of the ECQ-E1125KF3.

Application Field
The ECQ-E1125KF3 can be used in a number of applications, particularly in audio circuit, power supply or other power circuit where a small-sized capacitor is needed. These film capacitors offer excellent performance when used in electronic equipment, wherever efficient energy transfer is required. Additionally, they are suited for various frequency applications such as high-frequency filter and high-precision signal processing. Also, the ECQ-E1125KF3 is suitable for both AC and DC applications, offering superior performance in situations that involve high levels of charge and discharge.

Working Principle
Film capacitors are constructed by an insulating film, such as polyester, polypropylene or polycarbonate, that is wrapped in metal foil. This film is then rolled up and placed into a metal case or encased in resin. The metal foil acts as the electrodes for the capacitor. When an AC or DC voltage is applied to the electrodes, polarized molecules of the dielectric material in the film are slightly charged and cause an electric field. This electric field is used to store electrical energy, and when the voltage is removed the field collapses, releasing the energy slowly.

Film capacitors are rated with two different values. The first is their capacitance which measures the total amount of energy that can be charged and stored by the capacitor. The second value is the working voltage, which measures the maximum voltage that can be applied to the capacitor. The larger the capacitance or the larger the working voltage the higher the cost of the capacitor.

The ECQ-E1125KF3 film capacitors offer superior performance in power applications. They can be used in a variety of audio circuits, power supplies, and other power circuits. They offer excellent energy transfer, decent performance at high frequencies, and good working voltages.

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