MCN18FD471J Capacitors

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Mica and PTFE Capacitors

Mica and PTFE capacitors are stationary electrical components that use two plates to store electrical energy in an electric field. The plates are separated by mica or polytetrafluoroethylene (PTFE), and the plates can be made of metal, foil, or ceramic. The maximum voltage, ranging from 0.5 kV to 10 kV, limits the application field of these capacitors.

One of the most commonly used mica and PTFE capacitor is the MCN18FD471J. It is a multi-layered, radial leaded, chip-style capacitor constructed with metallized mica and PTFE dielectric layers. It operates at an ultra-high DC voltage of 2.5 kV to 35 V, and at a wide temperature range of -55 to +125 degrees Celsius. It also has a high-ripple current capability due to its low stray inductance and a long shelf life of up to 10 years. The MCN18FD471J is mainly used for applications requiring an extreme temperature range such as many automotive, defense, telecommunication, and medical components.

The working principle of the MCN18FD471J is very simple. When a voltage source is applied across the capacitor, it produces an electric field in the space between the two plates. This electric field induces electric charges on the plate surfaces. The electric charge on the plates is stored and is proportional to the applied voltage. This phenomenon of charge storage is known as capacitance. The value of capacitance is determined by the size of the plates, the type of material used, and the amount of electric field applied.

The MCN18FD471J is an ideal choice for applications in specialty automotive, military, telecom, medical, and energy conversion applications. Its exceptional temperature and voltage ratings, high temperature stability, and long shelf life make it an excellent choice for many electrical components. Furthermore, its superior ripple current capability allows it to perform in all types of harsh and extreme conditions.

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