MKT1817347014W

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Film capacitors are widely used in electronics today.

As a kind of capacitor, film capacitors are built up with dielectric films that are usually placed between two metal plates or two sheets of foil. A dielectric film is typically a type of plastic, such as polypropylene or polyethylene terephthalate (PET), which is inserted between these two conductive plates. When an electric field is applied to the dielectric film, an electric charge can be stored on it. This charge can then be discharged when the field is removed.

One type of film capacitor is the MKT1817347014W, a single layer metallized polyester film capacitor. This capacitor consists of a single-sided metallized polyester film and two aluminum printed electrodes. The metallized layer on the polyester film is made up of a thin layer of aluminum, which acts as both a conductor and an insulator. This layer is protected with a thin layer of silicon dioxide (SiO2) which further increases its insulation capabilities. The two aluminum contacts are then soldered onto the flat aluminium core.

The MKT1817347014W is mainly used in amplifier circuits, power supplies and filter circuits, due to its excellent high frequency performance, low dissipation factor, high breakdown voltage and high temperature range. The high frequency performance is particularly useful as it allows capacitor energy to remain stable across a range of frequencies which in turn allows repeatable power supply regulation. The low dissipation factor means the capacitor will be able to dissipate heat generated from the system without compromising its performance.

The working principle of the MKT1817347014W is based on the principle of electrostatic charge storage. When an electric field is applied to the dielectric film between the two metal plates, a charge is stored on it. This charge can then be discharged when the field is removed. The aluminium layer acts as both a conductor and an insulator, allowing the charge to be stored and released without causing any damage to the surrounding components. Additionally, the aluminum layer provides extra insulation to the capacitor, thus allowing it to operate at higher temperatures than other types of capacitors.

The MKT1817347014W film capacitor is an essential component in many electronic circuits, due to its excellent performance in high frequency and temperature applications. With its low dissipation factor, high breakdown voltage and wide temperature range, the MKT1817347014W is the ideal choice for many power supplies, filter circuits and amplifiers.

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