EET-UQ2C102JA

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Aluminum electrolytic capacitors, abbreviated as A-L-C, are polar electrochemical capacitors which typically feature low impedance and high specific capacitance. The EET-UQ2C102JA is a type of A-L-C, featuring a low minimum ESR of 0.15 ohms and a capacitance of 10μF / 25V.

Application Field

The EET-UQ2C102JA is widely used in many applications, from consumer electronics to industrial and automotive applications. The capacitor is suitable for standard electronic circuits, such as power supplies, switched mode power supplies, DC-DC converters, etc. Due to its high specific capacitance and low impedance, the capacitor is also suitable for applications requiring high ripple current and low power loss, such as LED lighting, as well as in high frequency applications, such as telecommunication equipment and consumer electronics.

Working Principle

Aluminum capacitors, such as the EET-UQ2C102JA, employ a structure that is composed of a pair of positive and negative electrodes, aluminum foil, electrolyte, and a separator. The thicker aluminum layers are used for the anode and the thinner layers for the cathode, with the electrolyte in between. When a voltage is applied across the electrodes, the electrolyte reacts with the aluminum foil to form an oxide layer or “electrolytic film”. This film is the capacitor\'s insulation layer, enabling it to store electrical charge.

In the EET-UQ2C102JA, the electrolyte is applied to the aluminum foil through a method called anodic oxidation — a process in which an electrical current is passed through the outer aluminum layer, causing oxygen molecules to react with the aluminum and form an oxide layer, as well as a thin layer of aluminum hydroxide. The capacitor then charges up like a battery, and its stored energy is released when the electric current across its terminals is reversed.

The electrochemical motor of the EET-UQ2C102JA capacitor can work in a wide temperature range, from -40°C to +105°C. It also has a high ripple current and low ESR, making it well-suited for high power circuits, as well as for very low frequency applications.

In summary, the EET-UQ2C102JA is an aluminum electrolytic capacitor, with a low minimum ESR and a high specific capacitance. It is suitable for a variety of applications including consumer electronics, power supplies, DC-DC converters, LED lighting, and telecommunication equipment.

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