ALS70H471DB500

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Aluminum electrolytic capacitors (AECs) are widely used in many types of electronic circuits due to their low cost, long life, and high capacitance. AECs come in a variety of form factors including shape, size, voltage rating, capacitance, and ratings for low and high frequency operations. One such capacitor is the ALS70H471DB500.

The ALS70H471DB500 is an aluminum electrolytic capacitor with a cylindrical can and radial leads. It has a capacitance of 470μF and a working voltage of 500V. The capacitor is designed for low and high frequency operation with a temperature coefficient of -160mV/K. It is temperature range rated at -55°C to 105°C, with an operating temperature of -45 to 85°C. The capacitor has an internal resistance of 5mΩ to 8mΩ. It has a rated ripple current of 38.7Arms and a rated dissipation factor of 0.12%.

The ALS70H471DB500 is commonly used in power applications such as power supplies, inverters, and motor controllers. It is a common component in automotive, home appliance, and industrial automation systems due to its long life and stability in extreme temperatures. It is also used in standby power supplies, battery charger circuits, and other applications subject to voltage spikes.

The ALS70H471DB500 works on the principle of electrolytic capacitance. In this, two electrodes are placed in a dielectric material and a charge is applied. This creates an electric field between the electrodes and the material that stores the charge. When an alternating voltage is applied, the electric field forces the electrons in the material to move in synchronism with the applied voltage. This creates a current flow of electric charges through the dielectric material, and thus produces capacitance.

The aluminium electrolyte of the ALS70H471DB500 is formed by oxidation of the aluminium can and an electrolyte solution. When a voltage is applied, the electrolyte solution forms a thin layer of oxide film on the surface of the aluminium can. This increases the dielectric strength and creates an energy storage zone between the electrode and the electrolyte. This zone helps to reduce the internal resistance and dissipate heat. The electrolyte also acts as an insulator, preventing short-circuiting and reducing leakage current.

The ALS70H471DB500 is a versatile capacitor. Its long life, stability, and low cost have made it a popular component in a variety of electronic circuits. Its large capacitance and tolerance for extreme temperatures make it ideal for applications such as power supplies and motor controllers. Its simple construction and reliable operation make it a great choice for both professional and hobbyist electronics projects.

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