MKP1847622314Y2

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Film Capacitors

Film capacitors, also known as polymer film capacitors, are specialty capacitors that consist of thin film insulating materials sandwiched between two metal plates.Film capacitors are unique because the dielectric material used in them is relatively thin and soft compared to conventional ceramic and electrolytic capacitors. The name comes from the fact that the dielectric employed in them is usually a thin film of plastic material called polymer film.

A film capacitor typically has an electrode on each side of the plastic film where the two electrodes are separated by the film. Between the two electrodes, a voltage potential can be created. When a voltage difference is induced, a current can be created, which creates an electric field across the dielectric. The electrical charge is stored in the dielectric film material, which acts as the capacitor’s dielectric. Film capacitors can also be used as an electric double layer capacitor, which will be discussed in a future article.

The major advantage of film capacitors over other capacitors is that they possess excellent energy storage and release characteristics. They have very low effective series resistance (ESR) and high Q values, which are excellent for AC applications. They also possess excellent frequency characteristics and good capacitance change with temperature. Their frequency response is very good in the range of a few Hertz to a few dozen kHz.

The MKP1847622314Y2 film capacitor is a specialty thin film capacitor that is designed for use in High-Frequency Circuits. It is a miniature, low-impedance device with very low DC leakage and high dielectric strength. The MKP1847622314Y2’s small size and low height make it suitable for many surface mount applications.

The MKP1847622314Y2 is a polarized capacitor with its anode (positive) and cathode (negative) leads clearly marked, and there are also polarity marks on the body of the capacitor. It has a rated capacitance of 470nF (1µF) and an operating temperature range from -55°C to +105°C.

The MKP1847622314Y2 film capacitor has a wide application field that includes high-frequency power supplies, switch-mode power supplies, inverters, and resonant circuits. Thanks to its low resistance, it is also useful in filtering circuits, noise suppression applications, and for damping various kinds of interference.

The working principle of the MKP1847622314Y2 is fairly simple. When a voltage is applied to the capacitor, an electric field is created between the two electrodes, and the dielectric material between them stores the charge. When the voltage potential is removed, the electric field dissipates, and the dielectric material releases the charge, which returns to the electrodes.

The MKP1847622314Y2 film capacitor is a useful tool for a wide range of practical applications due to its low profile, excellent frequency characteristics, and good temperature stability. Its low ESR and high Q factor make it well suited for high-frequency circuits, allowing for efficient energy storage and release.

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