B41041B8687M

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Aluminum electrolytic capacitors are electronic components used in many electronic circuits, ranging from small handheld or portable devices to larger components used on industrial scale. The B41041B8687M is a kind of aluminum electrolytic capacitor, which is used as an input filter element in high-power circuits, as the overshoot and noise immunity of the filter needs to be strong.

The B41041B8687M aluminum electrolytic capacitors are cylindrical in shape, with the top and bottom plates connected by a layer of dielectric, typically an aluminum oxide film. The dielectric separates the two plates, one being an aluminum foil and the other a conductive polymer. The aluminum foil acts as a positive plate while the conductive polymer acts as a negative plate.

The structure of the capacitor is important, as it has a significant bearing on its electrical characteristics and its parasitics. In the case of the B41041B8687M, the capacitor includes an Alkoxide-treated aluminum anode can, with a snap-in connector for simple mounting. The cylindrical structure of the anode and its snap-in connector allow for easy mounting in tight spaces, without compromising on reliability. A non-solid electrolyte, typically a conductive gel is inserted between the Alkoxide-treated aluminum anode and a PVDF-coated metalized film cathode.

The working principle of the B41041B8687M aluminum electrolytic capacitor is simple. When an electric current is applied to the capacitor, the electrons flow from the positive plate to the negative one. This results in the accumulation of charge on the negative plate, while electrons accumulate on the positive plate. This creates an electric field between the two plates, which is responsible for providing the capacitive effect.

Under steady state conditions, the electric field produces a potential difference between the two plates, known as the capacitance. This capacitance allows the capacitor to store electric energy. Since the capacitance of the capacitor is proportional to the ratio of the area of its plates to the distance between them, the capacitance of a B41041B8687M aluminum electrolytic capacitor is highly sensitive to changes in temperature.

The B41041B8687M aluminum electrolytic capacitors offer numerous advantages over other types of capacitors, such as low leakage current, high capacitance stability, high inrush current capability and wide temperature range. They are also widely used in automotive, industrial, and communication applications, where reliable electrical performance is essential. The low leakage current and high capacitance stability make them well suited for use in applications such as power supplies, UPS systems, engine start systems, and AC/DC converters.

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