MKP1848C65050JP4

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Film Capacitors

Capacitors are essential components in many applications. Film capacitors are used due to their high stability, low loss, and excellent voltage capability. In this article, we will discuss the MKP1848C65050JP4 film capacitor, including its application field and working principle.

Application Field

The MKP1848C65050JP4 is a standard film capacitor with an ending character number of “JP4” indicating it is a Conform-Volt film capacitor, which combines all the interior protection benefits associated with typical film capacitors with additional voltage stability. It has a capacitance of 0.022μF (22nF) and a rated voltage of 400vDC. The dimensions of the capacitor are 18×17.5 × 4.5mm. Aspects of its design are aimed at helping reduce stresses on the capacitor caused by EMI and RFI.

This capacitor finds application in automotive, medical, aviation and aerospace, industrial, military, and other high-performance areas. Due to being voltage-stable and having low loss, this type of capacitor is often used in audio equipment for power supplies, DC coupling, snubbing, and power line filtering.

Working Principle

Film capacitors are made up of two conductive plates spaced apart by an insulator. These plates are often nickel or aluminum. The MKP1848C65050JP4 has an insulator material that’s also a plastic-film (hence the name “film capacitor”), which is made up of a special material that improves the capacitor’s performance. This capacitor has a top and bottom electrode and the film material is sandwiched between the two electrodes. When voltage is applied to the electrodes, a potential electrical field is created, creating a capacitance. The capacitance is determined by the surface area of the electrodes, the spacing between them, and the insulation material between them.

In the case of the MKP1848C65050JP4, the plastic-film is capable of providing extra stability and low dissipation. The extra stability allows it to stand up to high temperature environments and impulse voltage and also reduces high frequency noise. The low dissipation and low IC contributes to a low ESR. The product also features over-voltage protection and self-healing.

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