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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are popular electrical components used in a wide variety of consumer, industrial, and medical applications. They are often found in voltage regulators, motor control circuits, and power supply circuits. These capacitors are most commonly constructed using aluminum foil, an electrolyte, which is usually a solution of boric acid and water, and a dielectric, which is usually a thin film layer of aluminum oxide.

EEE-1EA100WR Application Field and Working Principle

The EEE-1EA100WR is a polar aluminum electrolytic capacitor that has an anode cathode construction. This capacitor is rated for working voltages between 4 and 50VDC, with a capacitance value of 100 μF and a surge voltage of 16V. It is widely used in power conversion and switching power supply circuits and is most suitable for applications where low ripple, excellent conduction and low equivalent series resistance (ESR) are desired.

The working principle of a polar aluminum electrolytic capacitor is based on the principle of electrolysis. The anode and cathode plates are isolated from each other, but polarized with an electric current. When a voltage is applied, electrons will flow in one direction through the electrolyte material, separating the electrolyte into its cations and anions. This generates a capacitance between the two plates, which can store an electrical charge.

The anode and cathode plates of the EEE-1EA100WR are separated by a thin dielectric film of aluminum oxide, which is necessary to prevent an electrical short circuit between the plates. This thin dielectric film also helps to reduce leakage current, thus improving the device\'s overall performance. The electrolyte material used in this capacitor is a boric acid-water solution, which provides a high breakdown voltage capability, as well as a low dielectric absorption.

Due to its excellent performance, the EEE-1EA100WR capacitor is widely used in consumer, industrial and medical applications, especially in areas where low ripple, high capacitance and low equivalent series resistance are desired. It is most suited for power switching, voltage regulation and power supply applications.

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