860080375021 Capacitors

Aluminum electrolytic capacitors, sometimes referred to as electros, are one of the most commonly used types of capacitors. With their distinctive cylindrical shape, these components are found in almost every electronic circuit and are present in a wide range of applications. The 860080375021 is one such capacitor, specifically designed for high-power applications and characterized by a few unique features.

Design and Construction

The 860080375021 is an aluminum electrolytic capacitor composed of a rolled aluminum foil anode, a dielectric layer of porous oxide film, a double wound polyethylene-terephthalate (PET) sheet separator, and a rolled aluminum foil cathode. It has a cylindrical form factor and has a diameter of 8 mm and an overall length of 9.7 mm, making it quite lightweight and portable. The outer casing of the capacitor is made of conductive anodized aluminum and has a voltage rating of 100 volts.

Features

The 860080375021 has a few unique features which make it ideal for high-power applications. It has a capacitance of 2.5 microfarads, a high ripple current rating of 7.0 amperes, and an extremely low internal resistance of 0.2 ohms – all of which make it well-suited to high-frequency applications. Additionally, the capacitor has a short-circuit protection rating of 1.5 amperes, which ensures decreased risk of electrical defects. Additionally, the capacitor has a rated shelf life of 5000 hours.

Applications

The 860080375021 is especially suitable for high-power applications, due to its high current and low resistance characteristics. It is used in a wide range of electronic circuits, such as audio amplifiers, LCD television power supplies, motor controllers, DC-to-DC converters, mobile device chargers, batteries, and power supplies for LED lighting. Additionally, it can be used in automotive applications, LED illumination, uninterruptible power supplies, wind turbines, inverters, and solar power systems.

Working Principle

The working principle of the capacitor is based on Faraday’s law of electrolysis. When a voltage is applied to its two leads, electrons move from the anode to the cathode of the capacitor, generating a net electric field between them. This electric field creates an electric charge at both ends of the component, which stores energy. The capacity of the capacitor is determined by the size of the electric field created, and the amount of energy stored is proportional to the voltage applied between its leads.

Advantages

Aluminum electrolytic capacitors offer numerous benefits over other types of capacitors. They are extremely reliable and have a long shelf life. They are also compact, lightweight, and easy to install. Furthermore, they have a low equivalent series resistance (ESR) and can handle very high ripple currents. Additionally, aluminum electrolytic capacitors are able to store large amounts of energy, making them ideal for high-power applications.

Disadvantages

Although aluminum electrolytic capacitors are generally reliable, they can suffer from leakage, reduced capacitance, and permanent damage due to overload and excessive temperature. Furthermore, their capacitance tends to decrease as their temperature increases, so they are not suitable for applications that require an exact capacitance value. Additionally, aluminum electrolytic capacitors require periodic refreshing, which can be inconvenient in some applications.