MKP1848C66512JY5

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Film capacitors, also known as film dielectric capacitors, made up of the film composite material, predominantly are Mylar and polypropylene. The capacitors, so constructed, involving the “layering”, inks, electrical circuitry and different topologies, come out in a variety of shapes and sizes.

Thanks to the process and technology of film capacitors, these capacitors have a high volumetric efficiency, particularly when compared to their aluminum electrolytics counterparts. The sweet spot of film capacitors is their ability to operate nicely in higher temperatures and reducing the amount of ESR in the circuit.

MKP1848C66512JY5 Capacitor

The MKP1848C66512JY5 capacitor is a particular example of polypropylene film capacitor. It comes in a multi-section radial leaded case with dimensions of 4.6 mm (max) x 5.1 mm (max). This capacitor has a voltage rating of 600V AC, dissipation factor of 5% (max), dielectric strength of 8 kV, and an insulation resistance of 100 MΩ min. at 20°C. It can also handle working temperatures of -40°C to +85°C and operating environments of 55% to 95% relative humidity.

Application Field and Working Principle

The MKP1848C66512JY5 capacitor is mainly used in audio equipment, such as loudspeakers, PA systems, Hi-Fi sets, etc. It also finds application in power systems/circuits, especially in circuits with high transient voltage or current. It can handle high impacts of voltage and current, as it does not contain electrolytes like electrolytic capacitors.The MKP1848C66512JY5 works much like a conventional capacitor. It stores electrical energy as charges separated by ,which is a dielectric material, such as paper, plastic, ceramic, or a film. The amount of stored energy depends on the type of film material, its thickness, and the amount of charge stored on the capacitor as well as its size.The MKP1848C66512JY5 is effective in EMI/RFI suppression and transient voltage protection because of its high insulation resistance. Due to the very thin dielectric material the capacitor has a very low ESR value and can handle very high transient voltages. Additionally, the multi-section radial construction maximizes the stored energy density.

Advantages

MKP1848C66512JY5 capacitors have several advantages compared to their aluminum electrolytic counterparts. Firstly, they are more reliable over a wide range of temperatures and with lower ESR, which results in less power dissipation and improved transient performance. Secondly, they have a smaller size which leads to less weight and space for applications. They also have a longer life expectancy compared to their aluminum counterparts. Lastly, they have a better voltage transient response, which is mainly due to their construction as multiple sections connected in parallel.

Disadvantages

The main disadvantage of MKP1848C66512JY5 capacitors is their limited capacitance range. For higher voltage applications with very high transient voltages, aluminum electrolytic capacitors are usually preferred for their higher capacitance ratings. Additionally, their cost is relatively higher compared to aluminum electrolytic capacitors, so they may not be suitable for applications in terms of cost-effectiveness.

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