225P47291WD3

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Film capacitors, commonly known as plastic film capacitors, are a type of passive electronic components made of plastic films coated with metal electrodes. They are widely used in the automotive, medical, aerospace and consumer electronics industries for their high performance, durability and wide range of applications. The 225P47291WD3 is a film capacitor developed by KEMET Electronics Corporation. It is designed for various applications such as filters, power supplies and lighting ballast. This model has a rated capacitance of 47µF, a rated voltage of 420V, a rated current of 2.75A, and a tolerance of ±20%. It has a high insulation resistance between the metal electrodes. The 225P47291WD3 uses a polyethylene naphthalate (PEN) film as the dielectric material. This material has excellent heat, humidity, and moisture resistance, and it allows for a wide operating temperature range. The metal electrodes are made of bronze and silver, giving the capacitor a high thermal conductivity. It also has excellent wetting and adhesion, making it easier to assemble and mount. The primary application of the 225P47291WD3 is power supply filtering. It is used to reduce the ripple voltage of a switched-mode power supply, helping it to operate more efficiently. It can also be used for lighting ballasts to reduce electrical noise and optimize energy efficiency. The working principle of the 225P47291WD3 is based on the capacitor’s ability to store electrical energy. When a voltage is applied to the capacitor, it begins to store energy and form an electric field between the metal electrodes. The capacitor will continue to store energy until the voltage is removed or the electric field is destroyed. The stored energy can then be used to power an electronic device or perform other functions. The 225P47291WD3 is a high-performance film capacitor that can be used in a variety of applications. Its wide range of operating conditions, high insulation resistance, and excellent thermal conductivity make it ideal for power supply filtering and lighting ballast applications.

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