ALS81G392NF500

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Aluminum electrolytic capacitors, commonly referred to as electrochemical capacitors, are electrical components used primarily in power supplies and other electronic devices. They are especially suited for applications that require large capacitance values in a small form factor. Aluminum electrolytic capacitors are divided into two types, axial and radial. The ALS81G392NF500 is an example of a radial capacitor, which is cylindrical in shape and has two leads sticking out from either side.

The ALS81G392NF500 is a radial aluminum electrolytic capacitor with a capacitance of 392µF and a rated voltage of 500V. It is a polarized capacitor, meaning that the negative and positive terminals must be connected in the correct order before installation. It also has a high ripple current rating, allowing it to handle large amounts of noise in the circuit without suffering any damage. It is rated for use in high temperatures up to 85°C.

The working principle of an aluminum electrolytic capacitor is based on the electrolytic effect, which is the process of separating dissolved ions into oppositely charged particles. This is achieved by using a liquid electrolyte that is placed between two conductive plates. One plate is made of pure aluminum, and the other is a porous material saturated with the same electrolyte liquid. When a voltage is applied between the two plates, the ions in the electrolyte are separated into oppositely charged particles. These particles create a thin layer of insulating oxide that effectively increases the capacity of the capacitor.

The ALS81G392NF500 is usually used in power supply circuits and switch-mode power supplies. It is designed for high frequency and high ripple current applications. It is well-suited for filtering noise on the power supply line. It also acts as a buffer between switching-mode power supply components, preventing damage from high currents. Its low ESR (Equivalent Series Resistance) contributes to efficient power distribution in the system, and its long life span and minimum noise make it a desirable choice for many sectors. In short, the ALS81G392NF500 is a high-performance capacitor mostly used in power supplies, switching-mode power supplies, DC-DC converters, and audio applications.

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