MKP1848C61012JP4

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Film Capacitors

Film capacitors are a type of capacitor that uses thin plastic film as its dielectric. Unlike the typical ceramic or electrolytic capacitors, these create less leakage current or heat and have higher insulation resistance. Due to their improved characteristics and increased stability, they are often used in applications requiring long service life and high reliability. Film capacitors are also often used in audio applications to improve sound quality. The MKP1848C61012JP4 is one such type of film capacitor.

MKP1848C61012JP4 Application Field

The MKP1848C61012JP4 is a radial leaded, miniature plastic film capacitor specifically designed for general purpose use. It has the following characteristics: capacitance range of 0.0076 to 0.022 µF, voltage range of 250 to 400V, ESR of ≤ 0.2 ohms, temperature range of -50°C to +105°C, and dielectric type of Metallized Polyester/Polypropylene. The dimensions of the capacitor are 18 x 48 mm. Due to its small size, this type of capacitor is often used in electronic circuits where board space is limited. It is also used in power supplies, switch-mode power supplies (SMPS), signal couplings, and high-voltage surge suppressors.

Working Principle of the MKP1848C61012JP4

The working principle of a film capacitor is very similar to that of a ceramic capacitor. It consists of two electrical conductors, usually metal plates, separated by an insulator (in this case, a thin plastic film). An electrical current is then applied, with the insulator serving as the dielectric. The insulator’s inherent dielectric strength enables it to store electrical energy and behave as an electrical storage device. The film capacitor is designed so that the electrical current is forced to flow along the surface of the insulator, rather than through the bulk of the material. This, in turn, drastically reduces the amount of current leakage and improves the capacitor’s electrical and mechanical performance.

Advantages of the MKP1848C61012JP4

One advantage of the MKP1848C61012JP4, compared to other types of film capacitors, is its low ESR (Equivalent Series Resistance). The lower the ESR,the better the capacitor’s power density and the higher-rated it can be. This means that the MKP1848C61012JP4 can handle higher voltage and power than equivalent capacitors with a higher ESR. Additionally, due to its small size, this capacitor is very lightweight, making it ideal for applications where weight is a factor.

Disadvantages of the MKP1848C61012JP4

The main disadvantage of the MKP1848C61012JP4 is its cost. Due to its small size and high performance, this capacitor is more expensive than some of the other film capacitors available on the market. Additionally, because of its small size, it is not suitable for applications that require larger sizes and power ratings.

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