UHW2A681MHD

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Aluminum Electrolytic Capacitors are essential components used in a variety of electronic devices, such as computers and other digital equipment, medical and industrial instrumentation, telecommunications, automotive electronics and consumer electronics, for the purpose of storing electrical energy and releasing it on demand. This article will give an overview of the application field and working principle of UHW2A681MHD, an aluminum electrolytic capacitor.

Aluminum electrolytic capacitors come in a variety of sizes, packaging and shapes, depending on the required application. UHW2A681MHD is a surface mount aluminum electrolytic capacitor with a 90° radial terminations and a cylindrical case. It was designed for use in consumer electronics, automotive electronics, PC boards and telecommunications applications. It has a rated capacitance of 680µF, with a high voltage rating of 16V-35V DC and a rated operating temperature of -40 to +105°C.

The electrolyte of the aluminum electrolytic capacitor is a solution of water and an inorganic alkaline salt, most commonly potassium hydroxide. In between the positive terminal and the negative terminal, there is an anode made of pure aluminum foil. The aluminum foil is coated with an oxide film, which acts as the dielectric of the capacitor. The oxide film gives the capacitor its high-voltage capability and its stability of performance.

The working principle of the aluminum electrolytic capacitor is based on the principles of capacitance and electrochemical reactivity. When a dc voltage is applied to the capacitor, a current begins to flow in the surrounding fluid, which contains the electrolyte. At the same time, a chemical reaction takes place between the electrolyte and the aluminum foil, which results in the formation of a dielectric oxide layer on the aluminum foil. The oxide layer acts as a barrier to the electric current flowing in the electrodes, thus creating a type of capacitor known as a polarized capacitor.

Due to the high-voltage capability and outstanding stability of aluminum electrolytic capacitors, UHW2A681MHD is a widely used device in many applications. Its capacitance and voltage ratings make it suitable for use in a wide range of digital equipment, medical and industrial instrumentation, telecommunications, automotive electronics and consumer electronics. It is reliable and durable, and it can be used in both high and low temperature environments. Additionally, it is resistant to shock and vibration and has an excellent life expectancy.

In conclusion, the UHW2A681MHD aluminum electrolytic capacitor is a widely used device in electronic applications. It is well-suited for use in a variety of applications due to its high-voltage capability and outstanding stability. Furthermore, it is reliable, durable and resistant to shock and vibration, making it an ideal choice for a variety of electronic applications.

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