B41252B7688M002

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Aluminum Electrolytic Capacitors: B41252B7688M002 Application Field and Working Principle

Aluminum electrolytic capacitors are passive electronic components commonly found in electronic circuits. They are small but powerful elements that store electric charges serving a variety of roles in powering and isolating electronic circuits and other applications. The B41252B7688M002 is one such aluminum electrolytic capacitor designed to meet a wide range of demands, offering a large capacitance-to-volume ratio and a long service life of up to 8 years.

The B41252B7688M002 consists of an aluminum electrolytic capacitor body, a metallic anode and a porous tantalum anode, usually referred to as the anode foil. They are also equipped with a liquid-gel electrolyte impregnated into the anode. In the center of the body is a ceramic insulating wrapper enclosing the entire structure. Its low ESR and CV value ensure that the capacitor can operate reliably in high currents and high frequencies, respectively.

Application Field

The B41252B7688M002 is often used in mobile communications and industrial DC/DC converters due to its high reliability and long service life. With a high operating temperature range from -20°C to +85°C, it is also suitable for high temperatures and high-power applications. They are used in all kinds of powering and isolating circuits, filters, and other applications that require precise control over parameter levels.

Working Principle

As the name suggests, an aluminum electrolytic capacitor works on an electrolytic principle. When a positive voltage is applied to the anode, positively charged ions in the electrolyte react with the anode to form an oxide layer. This oxide layer creates a barrier that prevents further oxidation. The oxide layer then forms the dielectric layer that separates the anode from the cathode. As a result, An electrolyte forms between the anode and the cathode, allowing an electric field to pass through the capacitor. This electric field builds up a capacitance—or a charge—which allows it to be used as a storage element in a variety of circuits.

The electrolyte in an aluminum electrolytic capacitor is crucial—it helps to determine the characteristics and performance of the capacitors, and what purposes they can be used for. It can either be a board-type electrolyte or a liquid type electrolyte. The board-type electrolyte enables faster capacitor charging and discharging while the liquid-type electrolyte offers better capacitance stability and low Inner Impedance.

Conclusion

The B41252B7688M002 is a high-quality, high-performing aluminum electrolytic capacitor designed for a variety of applications. Its high capacitance-to-volume ratio and long service life make it a great choice for use in powering and isolating circuits. Its boards-type and liquid-type electrolyte provide various benefits in different areas, ensuring that it can meet the needs of various applications.

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