LKG2A182MESCBK

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Aluminum electrolytic capacitors are electrochemical capacitors that use aluminum oxide as the dielectric medium. They are designed to offer good capacitance values, stability, reliability, and high current handling capability in a relatively small package. The LKG2A182MESCBK belongs to this family of capacitors.

The LKG2A182MESCBK is a 2.5V, 18 microfarad, polarized aluminum electrolytic capacitor with a 10mm diameter sintered anode and a plastic-encased solid electrolyte. It features a lead-terminal design which allows for a wide variety of mounting options including thru-hole, SMD, and wrap mounting. Additionally, the LKG2A182MESCBK is designed to provide a low ESR (equivalent series resistance) for greater stability and higher ripple current capabilities.

The LKG2A182MESCBK is widely used in switching power supplies, audio amplifiers, digital clocks, battery-powered equipment, and any application in which a high ripple current is required. It is also a popular choice for applications sensitive to temperature cycling as the capacitor offers a relatively low temperature coefficient.

The working principle of the LKG2A182MESCBK follows that of all aluminum electrolytic capacitors. In an aluminum electrolytic capacitor, an aluminum oxide layer is formed on the surface of an anode (positive plate) featuring microscopic pores. Once the anode is inserted into a solid electrolyte, an electrical double layer is formed in the pores, allowing for an electric charge to be stored in the capacitor. The dielectric oxide film formed by the anode and electrolyte provides the necessary insulation between the anode and cathode (negative plate). This allows the capacitor to store energy as an electric field.

The power rating of the LKG2A182MESCBK depends on its capacitance value, peak current rating, and operating temperature. On average, the LKG2A182MESCBK has a maximum temperature rating of 85°C and can handle up to 10kHz ripple current. It also features high insulation resistance and low leakage currents.

In summary, the LKG2A182MESCBK is an 18 microfarad, 2.5V aluminum electrolytic capacitor designed to offer high performance and reliability in audio amplifiers, switching power supplies, digital clocks, and any application in which a high ripple current is required. It utilizes an aluminum oxide film as the dielectric medium, and offers a wide variety of mounting options. Additionally, the device has a relatively low temperature coefficient and a peak current rating of 10kHz, allowing it to handle a wide array of power requirements.

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