LLS2E102MELC

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Aluminum electrolytic capacitors play a vital role in modern electrical and electronic systems. The aluminum electrolytic capacitor is an electrochemical component which is composed of a number of individual aluminum foil sheets, separated by an insulating liquid which acts as a dielectric, and rolled up into a cylindrical can. One end of the foil is an anode and the other end is a cathode.

LLS2E102MELC is one of the types of aluminum electrolytic capacitors. It is a radial leaded capacitor with 4mm pin diameter. The LLS2E102MELC has a rated capacitance of 100uF and rated voltage of 16V. The capacitor has a maximum DC leakage current of 0.03CV (where C is the rated capacitance and V is the rated voltage) at 85 degrees Celsius.

The application field of LLS2E102MELC is mainly for frequency filters, DC-DC converters, power supplies for electronic equipment and LCD TVs. The capacitor offers a reliable and stable voltage supply, and thus increase the performance and stability. It is also used in the power input circuit of general-purpose switching AC/DC adapters and power supply circuit of personal computers.

In terms of working principle, LLS2E102MELC uses aluminium oxide as its dielectric material and electrolyte as its electrolyte material. An electrolytic capacitor consists of two metal plates (anodes) separated by a thin dielectric material. When a voltage is applied across the plates, current flows through the electrolyte and the anode plates chemically react to create aluminium oxide, which serves as an insulating layer on the surface of the anode. In the capacitor, current passes through the insulating layer on the anode, but not the dielectric layer. This phenomenon is known as ‘double-layer capacitance’, and is the basis of all aluminum electrolytic capacitors.

Furthermore, when the voltage across the capacitor changes, the capacitance of the capacitor also changes. The capacitance is a measure of the charge stored in the capacitor for a given applied voltage. The loss of charge due to resistance (leakage) is compensated for by the circulating current in the electrolyte.

In conclusion, the LLS2E102MELC is a type of aluminum electrolytic capacitor with an application field mainly on frequency filters, DC-DC converters, power supplies for electronic equipment and LCD TVs. Its working principle is based on double-layer capacitance, with aluminum oxide as its dielectric material, and electrolyte as its electrolyte material. The capacitor is able to store charge with a changing voltage, with the loss of charge due to leakage compensated for by the circulating current in the electrolyte.

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