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Film Capacitors

Film capacitors are a type of capacitor that uses thin sheets of dielectric material as the insulating layer between two metal plates. The dielectric material used in film capacitors is typically polyester, polypropylene, or other plastic films. These capacitors are widely used in various electrical and electronic applications because of their low cost, low inductance, low series resistance, and excellent stability over a wide temperature range.

MKT1820210106 Application Field

MKT 1820210106 film capacitors are most commonly used in applications such as motor start circuits, power supply filtering applications, signal processing circuits, and audio amplifier circuit applications. The MKT 1820210106 film capacitors also have a high pulse handling capability, making them suitable for use in applications that require high-frequency or high-voltage transients, such as in a switching power supply application.

MKT1820210106 Working Principle

The MKT 1820210106 film capacitors work by using the thin dielectric layer to store electrical energy in the form of an electric field, which is created when a voltage is applied across the two metal plates. The amount of energy that can be stored in the electric field is proportional to the electric field strength, which is determined by the voltage applied. As the voltage applied increases, the strength of the electric field increases, resulting in a larger capacitance and the ability to store more energy.

When receiving power, the MKT 1820210106 capacitor stores energy in the electric field and releases it when the voltage across its terminals is decreased. This allows the capacitor to act as a filter to reduce noise and ripple present on the input signal.

These capacitors have a small parasitic series resistance, making them suitable for high-speed high-frequency operations. This, combined with their excellent stability over a wide temperature range, makes them ideal for use in many different applications.

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