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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor, also known as electrolytic cell, is an important electrical component in electrical and electronic circuits. It is a type of capacitor that stores electrochemical energy and is made of an electrolytic, typically an aluminum or tantalum, dielectric and an electrolyte that conduct electricity. Since the electrolyte is a conducting liquid, it provides higher capacitance compared to standard dielectric capacitors.

ALS71G512NJ500 application field and working principle

ALS71G512NJ500 is a miniature aluminum electrolytic capacitor with nominal capacitance of 100μF and working voltage of 16V. It can be used in applications such as amplifiers, instrumentation, telecommunications, computers, and consumer electronics with frequencies ranging from audio to high-frequency applications. Its capacitance and voltage range makes it suitable for different applications.

The working principle of the ALS71G512NJ500 is based on the formation of an oxide layer on the surface of the aluminum foil. This layer acts as an insulating layer between the electrodes, allowing only a small electric current to pass through. As the electrolyte creates an ionic charge in the oxide film, it enhances the electrostatic field effect. As a result, the ions move from the positive electrode (anode) to the negative one (cathode) and the capacitor is charged.

Due to its tiny size, the ALS71G512NJ500 has a very low power dissipation, making it suitable for use in very compact electronic circuits. As the aluminum film can be molded in any shape, it results in a very small, lightweight capacitor. Moreover, this type of capacitor has a very long life and high reliability even at high frequencies.

Another great feature of the ALS71G512NJ500 is that it has very low equivalent series resistance (ESR) and equivalent series inductance (ESL). This means that the capacitor can maintain its charge for a long time, even in the presence of high frequency signals. This makes it suitable for use in circuits such as Power Factor Correction (PFC), where reliable operation is required.

The ALS71G512NJ500 is a miniature aluminum electrolytic capacitor that offers excellent performance in a wide range of applications. It is a reliable capacitor for frequency ranges up to high frequencies, with a long life and low power dissipation. It has low ESR and ESL that make it suitable for PFC circuits.

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