475CKE450MLN

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Aluminum electrolytic capacitors are a form of capacitor that utilize a thin layer of oxide film along with moist electrolyte on a strip of aluminum in order to form the dielectric. As one form of electrolytic capacitor, 475CKE450MLN aluminum electrolytic capacitors are usually applied in the field of filtering and power supply equipment in circuit systems. 475CKE450MLN aluminum electrolytic capacitors has the following typical characteristic values: capacitance is 475 uF, tolerance is 20%, temperature range is -40~+105℃, and the max voltage is 450v.

The working principle of 475CKE450MLN aluminum electrolytic capacitor involves the use of two thin sheets of aluminum foil separated by an insulating material. A thin oxide layer is then formed on one side of the aluminum foil by anodization process. This oxide layer serves as the dielectric of the capacitor and is the main component which allows for the aluminum electrolytic capacitor to function. An electrolyte (usually a liquid or gel) is injected in between the two foil layers and serves as the current path. When a voltage is applied across the two layers of aluminum foil, a current will flow through the liquid which causes electrons to move from one side of the foil to the other. This causes an electrostatic field to appear between the two layers, which is what gives the capacitor the ability to store electrical charge.

The electrolyte also helps protect the capacitor from damage caused by sudden electrical overloads. If a current larger than the rated current of the capacitor is applied, instead of burning out the device, the liquid electrolyte will boil and absorb the heat of the overload, saving the capacitor from damage. In addition to serving as an effective form of overload protection, the electrolyte in aluminum electrolytic capacitors also serves to extend the life of the capacitor.

The capacitance of a standard aluminum electrolytic capacitor is determined by the surface area of the two aluminum foil layers, the thickness of the oxide layer, and the type of electrolyte used. When a voltage is applied across the layers, an electric field is established which causes charge to build up on both sides of the dielectric. As the capacitance of the device increases, the amount of charge stored will also increase and the voltage across the device will be proportional to the amount of charge stored. This is why aluminum electrolytic capacitors are often used as filters in power supplies and other circuit applications.

In summary, 475CKE450MLN aluminum electrolytic capacitors are typically used in filtering or power supply circuit applications. They are made up of two thin sheets of aluminum foil separated by an insulating material. A thin oxide layer is then formed on one layer of aluminum which serves as the dielectric material. An electrolyte is placed between the two layers of aluminum in order to create a current path and absorb any sudden overloads. The capacitance of these devices is determined by the area of the aluminum foil, the thickness of the oxide layer, and the type of electrolyte used. With their ability to withstand intense overloads, extend device life, and provide filtering solutions, aluminum electrolytic capacitors are a popular choice for many circuit applications.

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