E36D451HPN682MEE3M

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An aluminum electrolytic capacitor is a general purpose capacitor that has a bi-polarity. It contains two electrodes, one being an anode and the other a cathode. An electrolytic solution fills the gap between the electrodes. In this type of capacitor, aluminum acts as the anode and the electrolyte solution that separates the anodes and cathodes functions as the dielectric. The dielectric material in an aluminum electrolytic capacitor provides higher capacitance than other types of capacitors.

E36D451HPN682MEE3M is one of the popular aluminum electrolytic capacitors, characterized by a temperature range of −40°C to 85°C, a voltage of 450 Vdc, and a capacitance of 47 μF.

Application Field

E36D451HPN682MEE3M aluminum electrolytic capacitors provide features advantageous for applications in the telecommunications, automotive, industrial, consumer electronics and other electronic field due to their high performance ratings, durability and resistance to high temperatures. They are especially suited for applications such as power supplies, DC-DC converters, audio equipment and automotive electronics.

Working Principle

A capacitor stores energy by forming an effective barrier between two plates. Its working principle is similar to a battery in the sense that it stores energy in the form of electrical potential energy. The functioning of an aluminum electrolytic capacitor relies on ions from the electrolyte solution being attracted to the surface of the anode and forming a thin layer of aluminum oxide. This layer provides a substantial barrier, allowing for an increase in the capacitance of the device.

E36D451HPN682MEE3M works by the principle of ‘charge’ and ‘discharge.’ When a voltage is applied across the terminals of the capacitor, the positive layer of ions on the surface attracts negative electrons from the cathode, forming a negative charge. The capacitor is said to be ‘charged up’ when the positive ions and negative electrons balance out, forming an electrostatic field between the components.

When the capacitor is discharged, this electrostatic field is reduced and the electrons flow back to the cathode, creating a current. This current is what is used to run electrical appliances, circuit boards and other electronic components.

These aluminum electrolytic capacitors also possess a self-healing function, meaning that the thin layer of aluminum oxide is able to reform if any damage is done. This improves the overall lifespan of the component, making it more reliable and efficient.

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