ERLA211LIN801KR35M

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Aluminum electrolytic capacitors are an important type of electrolytic capacitor, which usually consists of a thin aluminum foil and a thick paper roll wound together and immersed in a liquid electrolyte. An important characteristic of aluminum electrolytic capacitors is their large capacitance and relatively small size, making them widely used in electronic circuits. The ERLA211LIN801KR35M is an ultra-miniature aluminum electrolytic capacitor from the ERLA series, which is designed to meet the needs of high-density microcircuit applications.

Features

The main features of the ERLA211LIN801KR35M aluminum electrolytic capacitor include: low ESR (equivalent series resistance), low inductance, and long life. It is designed to provide reliable, cost effective, and high capacitance capacity in a small size. The capacitor also has a narrow lead pitch, which makes it ideal for high-density board-level applications such as PDAs, cell phones, and digital cameras. Additionally, the capacitor is RoHS compliant and features a temperature range of -55 to +105°C.

Physical Structure

The physical structure of the ERLA211LIN801KR35M aluminum electrolytic capacitor consists of a cylindrical aluminum shell, hermetically sealed with a solid tantalum end seal. The bottom of the capacitor is plated and the top is threaded for an anode terminal. There is a vent hole on the top of the shell for venting any pressure caused by electrolyte vaporization. The anode terminal is welded to the top lid, which is then sealed with a sintered tantalum plug. The cathode terminal is connected to the bottom of the shell, and the capacitor is dipped in electrode soak into the electrolyte.

Application

Due to its high capacitance and small size, the ERLA211LIN801KR35M aluminum electrolytic capacitor is widely used in electronic circuits for applications such as storage systems, power supplies, computer systems, and telecommunications equipment. It is also used as a filtering capacitor in low-frequency circuits, as a bypass capacitor in radio frequency circuits, and as an antenna coupling capacitor. Additionally, the capacitor is also suitable for use in temperature-compensating circuits and in dc-to-dc converters.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on the Faraday’s law of electrolysis. When an electric current is passed through an electrolyte, the positive and negative ions are attracted to opposite electrodes. This causes a current to flow between the electrodes, and the capacitance of the system increases. The amount of current and capacitance depends on the size of the electrodes, the type of electrolyte, and the amount of electric current passed through the system. The ERLA211LIN801KR35M aluminum electrolytic capacitor utilizes the Faraday’s law to store an electrical charge, which allows it to be used in various types of electronic circuits.

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