EEU-FC1H221S

Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are polarized capacitors that use a chemical reaction to store electric charge. They are great for applications that require large capacitance values such as in power supplies, audio electronics, and medical equipment. They are reliable, cost-effective, and easy-to-install. Because of their good characteristics, aluminum electrolytic capacitors are widely used in the electronics industry.

EEU-FC1H221S Application Field

The EEU-FC1H221S is a type of radial aluminum electrolytic capacitor developed by Nichicon. It has a stable performance, is easy to install, and is widely used in various electronics. Its operating ambient temperature ranges from -40℃ to +105℃, and its rated voltage range is 16V to 400V. The EEU-FC1H221S is suitable for in short-circuit and reverse voltage protection in power supplies, cooling systems, audio amplifiers, pulse applications, and digital electronics.

EEU-FC1H221S Working Principle

The internal structure of an aluminum electrolytic capacitor consists of two aluminum foils that act as electrodes and an electrolyte that is chemically deposited on the foil to act as a dielectric. When the capacitor is charged, ions of the electrolyte move towards the oppositely charged aluminum foil and bonds with it, forming a relatively thick barrier of aluminum hydroxide on the surface of the aluminum foil. This creates a barrier between the two foils that allow a large amount of energy to be stored.

When a voltage is applied, depending on the polarity of the voltage, the electrons flow through the capacitor, forming an electric current. This current circulates through the capacitor until it is completely charged. At this point, the capacitance of the capacitor is at its maximum and the energy stored is at its highest level.

Aluminum electrolytic capacitors are a reliable, cost-effective, and easy-to-install solution for many electronics applications. They are particularly useful for applications that require large capacitance values and for short-circuit and reverse voltage protection.