MKP385268125JC02R0

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Film Capacitors

Film capacitors, also referred to as polyester or polyethylene terephthalate (PET) capacitors, are a type of electronic component that stores energy in an electric field. Film capacitors are made from two or more layers of thin metal foils that are separated by a dielectric film. The metal foil electrodes are typically made of aluminum or copper and the dielectric film can be made of polyester, polypropylene, polycarbonate, or other polymers. Each metal foil is connected to one of two metal tabs, which allow the capacitor to be connected into a circuit.

The MKP385268125JC02R0 is a film capacitor that is typically used in power supplies, inverters, motor and audio equipment. It is a polyester capacitor made with two metalized aluminium foils that are separated by a dielectric of polyethylene terephthalate (PET) film. The capacitor is rated at 100VAC and its maximum operating temperature is 105°C.

Working Principle

The working principle of a film capacitor is based on the principle of electric field flux between two conductive plates. This electric field flux creates a capacitance effect, meaning it can store electrical energy. When an electric voltage is applied across the capacitor, the electric field generated by the voltage creates an charge separation between the two plates of the capacitor. This charge separation creates a potential difference and an electric field in the dielectric material between the two plates. This electric field in the dielectric material is what stores the electric charge in the capacitor.

The capacitance of the MKP385268125JC02R0 is determined by the area of overlap between the two metal foils, the thickness of the dielectric film, and the dielectric constant of the material used. As the capacitance increases, it can store larger amounts of electrical energy.

Application Field

Film capacitors can be used in a variety of applications, including power supplies, inverters, motor and audio equipment. In particular, the MKP385268125JC02R0 is well suited for audio applications, due to its high capacitance and low ESR. Additionally, its self-healing properties make it ideal for switching power supplies, as it can help protect the power supply circuit from transient surges.

Film capacitors are also widely used in consumer electronics and other electronic circuits. They provide excellent signal levels and can be used to filter out high frequency noise, reduce ripple currents, and smoothen DC voltage outputs.

Film capacitors are also increasingly being used in renewable energy applications, such as solar power systems. They provide excellent filtering, high capacitance, and low ESR, making them an ideal choice for storing and releasing energy quickly.

In conclusion, the MKP385268125JC02R0 film capacitor is a versatile component suitable for a wide range of applications. Its high capacitance, low ESR, and self-healing properties make it an excellent choice for a variety of applications, including power supplies, inverters, motor and audio equipment, and renewable energy systems.

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