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Film Capacitors: MKP385430085JKI2B0 application field and working principle

Capacitors are widely used to store electrical energy and to filter out unwanted signals, and among the various types of capacitors, film capacitors have established themselves as the go-to option for a variety of applications. Film capacitors offer low inductance, uniform capacitance, good frequency characteristics, a wide temperature range, and high reliability. An example of a film capacitor is the MKP385430085JKI2B0, a popular film capacitor used by many for its high-reliability performance.

MKP385430085JKI2B0 capacitors are metallized polyester film capacitors, meaning they are constructed from a combination of metalic and dielectric layers. This particular model is non-inductive, which makes it valuable for applications that require the elimination of stray magnetic fields, as it eliminates capacitor self-induction. This eliminates the inductive voltage peaks, resulting in very low ESR (equivalent series resistance) and low losses.

This particular film capacitor is most commonly used in switching power supplies, radio and television transmitters, industrial and medical electronics, as well as in professional audio equipment. Its dimensions, 0805, signify that it has a 0.08” by 0.05” body size, meaning that it is quite small in size but still provides up to 85volts of breakdown voltage with up to 3uF of capacitance. Its high operating temperature, between -56°C to +125°C, ensures reliable performance in extreme environmental conditions.

The MKP385430085JKI2B0 has a few key performance features that make it an ideal film capacitor for a variety of applications. It has low ESR and ESL characteristics, making it an ideal device to reduce inductive voltage spikes. It also has a wide temperature range and reliability, and is RoHS compliant, meaning it is safe for use in terms of environmental protection.

The capacitance of a film capacitor is determined by the product of the thickness of the dielectric layer and the surface area of the electrodes. The MKP385430085JKI2B0 utilizes a combination of metallized polyester and metal layers, providing a very high capacitance to size ratio compared to other types of capacitors. The resulting capacitance of this model is 3uF, enough for most medium-sized applications.

The MKP385430085JKI2B0 film capacitor is a reliable, capable, and robust device, especially in applications in extreme conditions. It is the most popular film capacitor in its class due to its performance, reliability, and size. It is used in many applications, including switching power supplies, radio and television transmitters, industrial and medical electronics, and professional audio equipment.

The MKP385430085JKI2B0 film capacitor is an excellent choice for a wide range of applications due to its high reliability, low inductance, uniform capacitance, good frequency response, and wide temperature range. Its excellent performance features and its small size make it the perfect choice for a variety of applications.

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