MKT1813215106R

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Film Capacitors

MKT1813215106R is a type of capacitor, specifically a film capacitor, a type of capacitor which utilizes solid dielectric films sandwiched between two electrodes. The MKT1813215106R is a three-layer structure with a reliable medial insulation barrier, making it suitable for applications where reliable insulation barrier is required, such as power supplies, high voltage divider, AC filters, and high-frequency communications devices. The MKT1813215106R is an axial design comprising of external leads, ensuring secure and reliable electrical connection to the conducting plates.

Working Principle

A film capacitor, like most capacitors, works by storing an electrical charge. A film capacitor’s two leads are connected to a dielectric, a material which effectively stores the electrical charge. Unlike standard dielectric capacitors which use liquid, gas, or air, film capacitors use insulating films such as polypropylene, paper, polycarbonate, polyester, aluminum and copper. The dielectric is then sandwiched between two conducting plates, which are closely spaced apart. Applying an electric field between the two leads will cause a charge to accumulate between the two plates.

The exact mechanism of a film capacitor depends on the material used as the dielectric. For polypropylene dielectrics, the electric field induces a dipole charge in the dielectric material, separating the negative and positive charges. The positive charges will accumulate at one electrode and the negative charges at the other. The Coulomb force will polarize the material, resulting in a surface that is polarized. When the electric field is removed, the polarized material will resist the change, trapping the electrical charge.

Other materials such as paper, polycarbonate, aluminum, and copper will operate in a similar fashion but due to their different molecular structures, they will provide different capacitance values depending on the arrangement, design, and material used. This means that film capacitors are quite versatile and can be tailored to specific engineering requirements, such as resonance, operation frequency, and impedance.

Application Field

With its superior performance and capability to address various engineering requirements, the MKT1813215106R film capacitor can be used for a wide range of applications. In power supplies, it can be used to stabilize the AC voltage, reduce noise, and increase efficiency and power quality. In AC filters, it can filter out the voltage spikes caused by lightning and electrical faults. It can also be used to control currents in electric motor drives, as well as in high-frequency communications devices to reduce signal interference. In high voltage dividers, it can be used to divide the voltage accurately.In addition, the MKT1813215106R film capacitor is suitable for many other applications. Its isolating characteristics makes it ideal for various types of industrial automation, monitoring, instrumentation, automation, and communications systems. It can also be used in medical equipment, solar panels, telecommunication systems, UPS, and other types of power conditioning systems.

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