516D474M100JL6AE3

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in a variety of electronic applications. They are one of the most common type of capacitors used in electronic circuits, and they are available in a wide variety of shapes and sizes. The components in the capacitor are typically two aluminum foils and a layer of electrolyte. The layers of the electrolyte and the aluminum foil are sandwiched tightly together, forming an effective barrier between the electric charge that passes through them.

The aluminum electrolytic capacitor designated by 516D474M100JL6AE3 is a long-life, high ripple current, aluminum electrolytic capacitors. It is designed to filter out high frequency ripples and unwanted spikes in the power supply, and ensure steady and consistent power stability. It has an operating temperature range from -55°C to +105°C, and a storage temperature range from -55°C to +105°C. Being constructed with aluminum electrodes, these capacitors have a long life, high ripple current, low ESR, high insulation resistance, and very little leakage.

The foil is the most important part of an aluminum electrolytic capacitor. The aluminum foil acts as an electric field concentration, dramatically increasing the surface area available for the capacitor to store energy. Additionally, the electrodes of an aluminum electrolytic capacitor are anodized with an acidic electrolyte solution and a catalyst to increase their surface area and conductivity.

The electrolyte material plays an important role in the manufacturing of aluminum electrolytic capacitors. It is used to separate the aluminum foil from the inner electrodes. In the standard aluminum electrolytic capacitor, the electrolyte is commonly an acidic, oily liquid mixture of organic acids, glycol ethers, and other chemicals. The electrolyte also helps to improve the electrical properties, reduce electrical losses, and increase the insulation resistance and the capacitance. The anode and cathode of the capacitor act as a shield to increase the dielectric strength of the electrolyte.

Working Principle of 516D474M100JL6AE3 Aluminum Electrolytic Capacitors

When a voltage is applied to the anode and cathode of the aluminum electrolytic capacitor, the electric field increases in intensity, causing free electrons to move from the cathode to the anode. As the electrons flow through the layers of the aluminum foil, it creates a voltage drop across the electrolytic material, forming a voltage-dependent capacitance. This will cause an increase in the amount of charge stored in the capacitor, creating a change in the voltage across the terminals.

The electrolyte acts as a dielectric material, which makes it possible for the electric field to exist between the two electrodes of the capacitor. The higher the electric field, the higher the capacitance of the capacitor, enabling it to store a greater amount of charge.

When the voltage is removed from the aluminum electrolytic capacitor, the capacitance decreases gradually. The leakage current also decreases, allowing the energy stored in the capacitor to be released slowly. As a result, the aluminum electrolytic capacitor becomes a very efficient component in filtering voltage spikes and maintaining the power supply in many electronic applications.

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