LGU2P821MELA

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Aluminum Electrolytic Capacitors are cylindrical devices with a type of anode material called an Al-electrolyte. The Al-electrolyte is an anode combined with a substance called an electrolyte which acts as an insulator between the anode and the cathode material. The Al-electrolyte helps to store and release energy and provide the electrical properties necessary for capacitors to work. The purpose of Aluminum Electrolytic Capacitors is to store, regulate and transfer electrical charge to a circuit. The primary application and use of Aluminum Electrolytic Capacitors are for power supplies, automotive wiring systems and for industrial applications.

The specific Aluminum Electrolytic Capacitor that we will focus on is the LGU2P821MELA. This capacitor is a small aluminum electrolytic capacitor with an 85°C rated voltage of 10 Vdc and a rated capacitance of 2.2 µF. It has a very low leakage current of 6 µA, a high ripple current rating of 1040 mA @ 1 kHz and a low ripple current of 2.5 mA @ 200 kHz. The capacitor has a Kelvin cavity seal and is designed to be self-healing.

The working principle of the LGU2P821MELA Aluminum Electrolytic Capacitor is based on the principle of electrochemical capacitance. An electrochemical capacitance is the ability of a material to store electric charge, and consists of two electrodes that are separated by an electrolyte. When a voltage is applied across the electrodes, electrons are attracted to the negative electrode, or anode. This creates a separation of charge, which generates an electric field between the positive and negative electrodes, creating an effective capacitance between them.

The capacitance of the LGU2P821MELA is increased by increasing the surface area of the electrodes. The aluminum electrolyte insulates the electrodes, resulting in a very low leakage current. The high ripple current rating is due to the design of the electrode, which helps to minimize distortion of the stored charge. This feature allows the capacitor to charge up quickly and maintain its charge over the long term.

The LGU2P821MELA Aluminum Electrolytic Capacitor can be used in a variety of applications, such as power supplies, television sets, computers, automotive wiring circuits and other electronic devices. The capacitor is highly suitable for use in applications where it is necessary to maintain a long term charge, as it provides a long operational life and low leakage current. The capacitor also has a high ripple current rating, allowing it to handle multiple frequency signals with minimal distortion.

In conclusion, the LGU2P821MELA Aluminum Electrolytic Capacitor is a versatile device with a wide range of applications. This small capacitor is designed to provide reliable performance with a low leakage current and a high ripple current rating. It is suitable for use in a variety of applications, ranging from power supplies, television sets and computers, to automotive wiring circuits and other industrial and commercial applications.

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