MKP385282125JFI2B0

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Film capacitors, also known as plastic film capacitors, are capacitors using plastic films as the dielectric material. They save port size, ensure high capacitance density, and provide excellent performance and reliability over a wide temperature range. Various types of film capacitors such as polyester film capacitors, metallized film capacitors, polypropylene film capacitors and film/foil capacitors are widely used in different industries, such as automotive, photovoltaic, aerospace, telecommunications, etc.

MKP385282125JFI2B0 are polyester film capacitors with a voltage rating of 250VAC, created with two layers of polyester dielectric, with a 1.25" diameter and a 1.25" overall length. Manufactured with advanced technology, they are designed to eliminate interference from AC power lines, especially those containing high frequencies. The capacitance value of the MKP385282125JFI2B0 is 375pF(±5%), making them ideal for applications such as electronic ballasts, interconnecting capacitors, power conditioners and power supply bypasses.

The working principle of the MKP385282125JFI2B0 film capacitor relies on the process known as electrostatic induction. In essence, the film capacitor consists of two metal plates that are separated by a thin insulating film. When a voltage is applied across the plates, the electric flux lines passing through the dielectric cause electrostatic induction. This then produces an electric field that stores energy, charging the capacitor.

The various features that make the MKP385282125JFI2B0 a highly reliable and efficient device, include high stability, excellent energy storage capacity, low ESR, high voltage ratings and low loss factor. Due to these properties, they are an excellent choice for applications such as lighting ballasts, DC/AC power supplies, telecommunications filter circuits, switching power supplies, antenna circuits, medical equipment, and LCD displays.

The use of these capacitors can reduce component size and improve overall system performance. For instance, in the case of light ballasts for fluorescent lamps, the use of film capacitors stabilized the current supply, reducing failure rate and thereby improving reliability and the lifespan of the equipment. Additionally, the highly reliable insulation they provide can help reduce electromagnetic interferences while maintaining electrical signal integrity.

In conclusion, the MKP385282125JFI2B0 polyester film capacitor is an excellent choice for various applications due to its superior performance characteristics and reliable insulation. Its compact size allows users to save port size, while ensuring high capacitance density. Additionally, its high voltage ratings, low ESR and low loss factor make it a great choice for lighting ballast, power supply bypasses, switching power supplies, LCD displays, antennas, and other applications.

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