ELXS501VSN181MR40S

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Aluminum electrolytic capacitors, or simply electrolytic capacitors, employ an electrolytic solution, usually hygroscopic, as the dielectric material. ELXS501VSN181MR40S is a type of aluminum electrolytic capacitor that combines high-temperature endurance and long-term stability. This article will discuss the applications and working principle of ELXS501VSN181MR40S.

The ELXS501VSN181MR40S is a high-temperature, long-life, large-capacity aluminum electrolytic capacitor. It has an extended operating life and is capable of withstanding a relatively high temperature of up to 85℃. It is designed to be used in applications where a large and stable capacity is needed, such as SMPS, audio equipment, power supplies, and motors.

The ELXSN501VSN181MR40S is an axial aluminum electrolytic capacitor with a snap-in mounting structure. It guarantees a high-temperature operating life of 5000 hours and offers a stable and large capacitance range between 2,000μF and 10,000μF, and a low Equivalent Series Resistance (ESR) value. Its design features an all-welded terminal mounted to the case, making it highly resistant to vibration.

The ELXS501VSN181MR40S is based on the principle of electrolytic capacitors. The device consists of two aluminum foils with a thin insulating material and thin electrolytic solution in between. The layer of electrolyte provides a high permittivity and acts as the dielectric medium. The top foil is an anode and the bottom one is a cathode. The anode aluminum foil is etched to create multiple small holes or pores which increase the surface area and result in a higher capacitance. The aluminum foil is then rolled into a cylindrical shape which is filled with the electrolyte before sealing. The electrolyte and the anode-cathode contacts are connected to the two leads of the capacitor.

When a voltage is applied, ions from the electrolyte migrate to the cathode and form an electric-double layer (EDL) on its surface. Similarly, the anode attracts an EDL. The EDL of both electrodes acts as an insulator between them, and this is how the ELXS501VSN181MR40S stores energy. The capacitance of the device corresponds to the amount of energy stored and it depends on the area of the anode and cathode, the permittivity of the electrolyte, and the distance between the two electrodes.

The ELXS501VSN181MR40S is highly stable and reliable. It is mostly used in applications where low-ESR and high-temperature endurance are required. It is also used in applications where a large capacitance is needed, such as SMPS systems, power converters, and audio equipment. The device offers a remarkable performance at a competitive price and is thus a preferred choice for many applications which require long-term stability and reliability.

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