MKP385339100JFM2B0

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Film Capacitors

The MKP385339100JFM2B0 is a film capacitor, a type of capacitor which uses a thin film of plastic film as the dielectric, as opposed to the common form of capacitors which typically use paper, ceramics, or air as the dielectric. In general, film based capacitors are preferred over ceramic based ones because they are better at handling temperature and voltage variations and offer higher capacitance per unit volume, and their thin dielectric is advantageous in microelectronic applications.

The MKP385339100JFM2B0 is an AC-rated (high working voltage) film capacitor offering excellent temperature stability, high reliability, long life, and high peak current performance. It is applicable to various categories, from 106Vac to 250Vac and 50/60Hz, with capacitance of 0.0039μF, dielectric of metallized polyethylene terephthalate (PET) film, composition of two elements (CBB81), and tolerance of ±10%.

The MKP385339100JFM2B0 is typically used in SMPS, motor running, power conversion, power supplies, inverter, AC drives, lamps, light fixtures, and other AC pulsed applications. Its metalized polyester film is used as the dielectric, which is charged with electrons to form a capacitor.

The working principle of the capacitor is based on its ability to store electric charges. Chemical reactions inside the material of the capacitor cause positive ions to be attracted to one of the two terminals, and negative ions to be attracted to the other. This creates a potential difference between the two terminals, and any two points along the surface of the capacitor. When a potential difference is applied between the two terminals, an electric current is allowed to flow, and the capacitor acts as an electrical energy storage device. The higher the voltage applied, the more energy is stored in the capacitor, and the greater the amount of electric current that can be forced through.

The MKP385339100JFM2B0 can be used to filter AC noise, buffer peak load current, reduce pressure in AC motor system, and dampen oscillations. It can also be used in the production of DC-DC inverters, such as those used in portable electronic devices, solar panels, or electric vehicle charging infrastructure.

The MKP385339100JFM2B0 is an ideal choice for applications that require efficient filtering, higher reliability, and long lifetime for polyester AC capacitors in various industrial applications. It offers fast switching capability and greater temperature stability than similar ceramics based capacitors, and its two-element construction offers improved consistent performance, low-ripple and surge current capability. Additionally, its low ESR and ESL characteristics make it an ideal choice for smoothing high-frequency switching noise.

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