MKP385430100JKI2B0

Film Capacitors

Film capacitors are a type of dry capacitors incorporating a thin plastic film as the dielectric material for the storage and conduction of electrical energy. They are made out of polyester, polypropylene, polycarbonates or polystyrene, and are generally non-polarized so they can be used in AC circuits. The MKP385430100JKI2B0 is an excellent example of a film capacitor.

Application field

Film capacitors are commonly used in laboratory equipment, power supplies, musical instruments, vehicle audio systems and most especially in tuned circuits for tuning and filtering. The MKP385430100JKI2B0, in particular, is specifically designed for use with frequencies up to 300 KHz.

Film capacitors are also useful for power factor correction in certain AC power sources, as well as in defect correction of current waveforms. The MKP385430100JKI2B0 has low internal resistance, and is resistant to temperature changes, allowing it to be used in a wide range of temperature ranges.

For other applications, film capacitors prove useful as AC line-level signal filters, and are especially popular in musical applications because of their low distortion and excellent transient response. The MKP385430100JKI2B0 is renowned for its low ESR (equivalent series resistance) and low Q-factor, resulting in a fantastic signal-to-noise ratio, thus making it ideal for audio equipment.

Working Principle

Film capacitors function in a similar way as any other capacitor. An AC electric signal is received by the capacitor, and the energy is pulled up onto the dielectric material via electrostatic induction – in this case, the thin plastic film. The voltage drops on the material will be determined by its capacitance, and the capacitance can be altered by changing the thickness or length of the film.

In the MKP385430100JKI2B0, the dielectric material is a polyester plastic film that is specially designed to have exceptionally low dielectric losses. This design allows for the capacitor to have low distortion and great transient response, making it highly effective in a wide range of frequencies.

The MKP385430100JKI2B0 is also made with a wide operating temperature range that ranges from -55°C to 125°C, and a large range of rated voltages from as low as 50 volts to as high as 630 volts. The MKP385430100JKI2B0 is a highly versatile as well as reliable capacitor, and is often used in a wide range of applications.