276HC5550KR

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Film capacitors, also known as plastic film capacitors, are a type of capacitor which utilises a plastic film as its dielectric. The film, or dielectric, which is typically polyester or polypropylene, is wrapped with metal electrodes to form the capacitor. As film capacitors provide high performance in a range of scenarios, they are often utilised in a variety of important applications. One such capacitor is the 276HC5550KR capacitor.

The 276HC5550KR capacitor is a PVC metallised polyester film capacitor with a radial, two leaded configuration and lead spacing of 7.5mm. It is rated for a voltage of 440VAC and a capacitance of 42µF. The 276HC5550KR has a number of product characteristics which make it well suited to various applications: it has a low dissipation factor, high volumetric efficiency, and operates over a wide temperature range.

The 276HC5550KR has many potential applications; it is especially suited in instances where a combination of high capacitance, high voltage, and a radial configuration are necessary. One such example is in motor engineering - the 276HC5550KR can be used to filter electrical spikes and provide a starting surge to the motor, allowing it to start up smoothly. The dielectric used also allows the capacitor to operate over a wider temperature range than most capacitors, making it usable in a variety of conditions.

The 276HC5550KR also has a good electrochemical stability, meaning it can be used in light dimming circuits in lighting installations, such as those which allow LEDs to dim in a consistent, smooth manner. This superior performance makes these capacitors the capacitor of choice for these types of complex applications.

The 276HC5550KR is composed of several parts, the first being the dielectric. The dielectric is the plastic film which separates the two electrodes of the capacitor. The film also stores the electrical energy in the form of an electric field. The electrodes consist of aluminium-film strips which are connected to the two electrical terminals allowing the current to pass through them.

The film is die-cut into a thin metallic strip and a wide surface area is created by overlapping the edges. The PVC coating is applied to both the electrodes and the dielectric foil to optimise the stability and reduce the dissipation factor. The two layers are then wound together to form the final capacitor. All of these components work together to meet the demands of the end application.

Finally, the 276HC5550KR has a working principle which makes it a powerful and invaluable tool. A voltage source is applied across the capacitor, resulting in a displacement current that flows throughout the circuit. This displacement current will lead to an increase in the electric field stored in the capacitor. The electric field increases the capacitance of the capacitor, and as a result a far greater amount of charge can be stored. This same principle also applies to the release of the stored charge, resulting in a steady flow of current.

To sum up, the 276HC5550KR is a high performance plastic film capacitor perfect for demanding applications, including motor engineering, light dimming, and more. Its plastic dielectric, sturdy construction, and working principle make it ideal for a wide variety of applications.

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