474MKP275KE

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Film Capacitors

Film capacitors, also known as polyester capacitors and plastic capacitors, refer to a type of capacitor made from stacked film dielectrics. The two primary film dielectrics used for film capacitors are polyester (PET) and polypropylene (PP). Other types of film dielectrics used include polycarbonate, polyphenylene sulfide, polyphenylene oxide, and polytetrafluoroethylene.

474MKP275KE film capacitors are a type of capacitor specifically designed to be used in high-frequency applications, such as power supplies, telecommunications, and antennae installation. With this in mind, these capacitors are made to have a high-stability and low-loss dielectric, due to the high-quality polyester film material they are made from, and they also have low ESR values and high self-healing properties.

The working principle of the 474MKP275KE film capacitor is the same as any other film capacitor. In a capacitor, two metal plates, called electrodes, are separated by a dielectric material, called the dielectric substrate, which can range in material from paper and mica to polyester and polypropylene. The dielectric material provides an electrical insulator to the space between the electrodes, and the space between them can be used to store energy.

When a voltage is applied to the device, an electrical field is created between the two electrodes, causing electrons to be drawn to the positively-charged electrode (the anode) and away from the negatively-charged electrode (the cathode). This causes an accumulation of charge on the electrodes and creates an electric potential. When the voltage is removed, the stored charge is released, and the capacitor discharges until the stored energy is gone.

There are a few key features that make the 474MKP275KE film capacitor stand out from other film capacitors, including low ESR, low inductance, and high stability. These features make the 474MKP275KE ideal for use in AC and high frequency circuits, as it can efficiently store and release energy without producing any losses. As a result, these capacitors can be found in a wide range of applications, including power supplies, HF and VHF radios, medical instruments, and military applications.

The 474MKP275KE film capacitor is a unique device in its ability to store energy efficiently and effectively in high-frequency applications. With its low ESR and high stability, this capacitor is a reliable and effective component for many different kinds of electronic circuits.

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