125242U040AA2A

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Aluminum electrolytic capacitors are the most popular type of capacitor due to their large capacitance per unit volume and the low cost of production. They are also one of the oldest and most reliable types of capacitors that remain in extensive use in the electronics industry today. The 125242U040AA2A capacitor is a physically large aluminum electrolytic capacitor that has been specifically designed for use in applications requiring high-power and high-voltage rated capacitors.

Physical Characteristics

The 125242U040AA2A capacitor has a cylindrical body with aluminum end-plates with a black insulated coating. This particular capacitor is rated for a maximum voltage of 500 volts and has a capacitance value of 2,400 uF. It has a maximum ripple current of 1240 A and a dissipation factor of less than .056. It also features a high saturation current capability of up to 200A and a temperature rating of -55°C to +85°C. It has an overall size of 125 mm in diameter and 242 mm in length, and is available in the standard package of 6 pieces.

Application Fields

The 125242U040AA2A capacitor is designed for use in a wide range of applications, including power line conditioning, power converters, inverters, motor controls, switching power supplies, UPS systems, security electronics, and telecom systems. This capacitor is also suitable for use in lighting systems as well as in low voltage applications such as AC/DC frequency and soft start circuits. It is also suitable for use in high-power audio amplifiers.

Working Principle

The 125242U040AA2A capacitor works on the principle of electrolysis. This involves the formation of an electrical double layer at the surface of the metal foil in the capacitor plates. When a direct current (DC) is applied, a current flow is created from one plate to the other, resulting in the accumulation of ions on the plate surfaces. This creates an electrical charge that is stored in the capacitor, and can be used to provide power in electrical circuits.

Due to its large size and high-voltage capabilities, the 125242U040AA2A capacitor is well-suited for applications in which a high degree of power is required. It is also known for its high reliability, making it a popular choice for many applications. As an electrolytic capacitor, it also provides a relatively low cost-per-unit, making it an attractive option for manufacturers who don’t need to sacrifice quality for cost.

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