MAL213828478E3

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, often referred to simply as electrolytic capacitors, are a type of capacitor consisting of an aluminum oxide-coated anode and a cathode with an electrolyte solution in between. They are a popular type of capacitor due to their high capacitance, low leakage current, small physical size, and low cost, and are widely used in a variety of applications ranging from voltage regulators to audio amplification and power supply filtering.

The MAL213828478E3 capacitor is one example of an aluminum electrolytic capacitor. It is a radial type capacitor with a maximum capacitance of 68µF, a maximum voltage rating of 100V, and a rated temperature range of -25°C to +105°C. It is an ideal choice for use in voltage regulation and power supply filtering applications.

The basic working principle of an electrolytic capacitor is based on electrolysis, or the chemical process of splitting water molecules into a positively charged hydrogen ion and a negatively charged oxygen ion, when an electric current is passed through it. This electrochemical reaction is responsible for storing electrical energy, which is then released when the capacitor is discharged. The amount of energy stored is proportional to the amount of current that passes through the capacitor. The rate at which energy is stored or released is determined by the capacitance of the capacitor.

In an aluminum electrolytic capacitor, the anode is typically made of aluminum foil, which is then anodized and coated with an oxide layer. This oxide layer acts as an insulator, preventing current from passing through the capacitor. The cathode is usually made of another metal, such as tantalum or nickel, which is then plated with a conductive material. The electrolyte solution provides an ionic bridge between the anode and the cathode, which creates a source of current that can be used to charge or discharge the capacitor.

The MAL213828478E3 aluminum electrolytic capacitor is a great choice for circuit applications requiring filtering or voltage regulation, and can be used in a variety of electronic device designs. Its high capacitance rating and low leakage current make it ideal for these types of applications, while its small size and cost-effectiveness make it appealing to engineers and hobbyists alike.

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