B43505E2687M007

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Aluminum electrolytic capacitors are electric double-layer capacitors whose anode is made of aluminum foil processed by an electrolytic process. It is an electrolytic capacitor with polarized electrolyte as its medium. It usually has the characteristics of large capacitance, wide working temperature range, long life, wide applicable voltage range, small size, and is widely used in power electronic circuits.

B43505E2687M007 Application Field and Working Principle

The B43505E2687M007 aluminum electrolytic capacitor is a non-solid electrolytic capacitor, which means that the dielectric in the capacitor is made of a liquid medium. It is encapsulated in an aluminum case making it easy to mount and use in a variety of electronic circuits. This particular model is rated for 85°C in ambient temperatures. The B43505E2687M007 is mostly used in switching power supplies, active filters, DC-DC converters, DC-AC inverters, battery-powered circuits and other power electronics.

The B43505E2687M007 aluminum electrolytic capacitor works on the principle of electrolytic double layer capacitance. It consists of an anode made from aluminum foil and a paper separator which is then impregnated with liquid electrolyte. When a voltage is applied between the anode and the paper separator, an electric double layer is formed on the anode\'s surface and this separates the positive ions from the negative ions. This separated double layer capacitance is the source of the capacitance of the capacitor. The insulation of the liquid electrolyte is the main factor contributing to the working of the electrolytic capacitor.

The electrolyte used here is a mixture of curable organic compounds and solvents which can absorb water. Over time the electrolyte will become less conductive due to water absorption, and this will decrease the capacitance of the capacitor and also increase the equivalent series resistance (ESR) causing the capacitor heat up rapidly. To compensate for this, the paper separator used in this aluminum electrolytic capacitor is also impregnated with a different curable organic compound which reduces water absorption.

The B43505E2687M007 aluminum electrolytic capacitor is also designed to provide high ripple current capability and long life. This is further enhanced by its internal design which features an optimized windings construction and electrode configuration. This helps to ensure that the capacitor can perform efficiently and effectively even when exposed to high ripple currents and wide temperature variations.

These aluminum electrolytic capacitors are easy to mount and use and offer good performance for a variety of applications. The B43505E2687M007 aluminum electrolytic capacitor is highly recommended for use in power supplies, active filters, DC-DC converters, DC-AC inverters, battery-powered circuits, and other power electronics circuits requiring high ripple current capabilities and long life.

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