EMZE350ADA221MJA0G

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Aluminum Electrolytic Capacitors

EMZE350ADA221MJA0G application field and working principle

Aluminum electrolytic capacitors, often simply called electrolytic capacitors, are polarized, two-terminal electrical devices specially used in circuits due to their exceptionally high capacitance (high electrical energy storing capability) per unit volume. EMZE350ADA221MJA0G is one of the aluminum electrolytic capacitors released by ELNA (a Japanese capacitor manufacturer) that features high rated voltage, high dielectric constant and long service life.

Aluminum electrolytic capacitors are classified into two categories: polar (non-solid and semi-solid) capacitors and non-polar capacitors(solid capacitors), depending on whether or not they contain a solid electrolyte. EMZE350ADA221MJA0G is a polar capacitor, featuring an all-aluminum construction with a liquid electrolyte. This type of capacitor has a very high capacity, making it suitable for applications such as energy storage and power factor correction. Its other features are very advantageous for applications like signal filtering, capacitor circuits, power supplies, computers and other electronics.

The operating principle of an electrolytic capacitor is based on Faraday’s law of electrolysis. An electrolyte material is sandwiched between two dried and scoured aluminum foils and each foil is separately connected to the anode and the cathode, respectively. When a potential difference is applied between the two terminals (anode and cathode), the materials at the two electrodes suffer different reactions due to the activation of the electrolyte. The oxidation reaction at the anode results in the generation of a thin layer of insulating oxide film on it. This layer acts as a dielectric between the two foils and stores energy. The current flow in the electrolyte is the same as that flowing through the two electrodes. As a result, a capacitor is formed. Depending on the nature of the charge, the capacitor can be called polar or non-polar.

In order to maintain its voltage rating and capacitance over time, the EMZE350ADA221MJA0G aluminum electrolytic capacitor must be manufactured to extremely tight tolerances. This involves carefully selecting materials for the electrolyte, anode and cathode, as well as proper construction techniques. The anode may contain trace amounts of manganese and zinc and the cathode may also have other materials added to improve the conductivity of the system. All of these components must be carefully monitored and tested to ensure that they do not degrade over time. The capacitor must also be designed to be as leak-proof as possible. Once all of these parameters are met, the EMZE350ADA221MJA0G aluminum electrolytic capacitor has a long service life.

In summary, EMZE350ADA221MJA0Gis an aluminum electrolytic capacitor released by ELNA featuring high rated voltage, high dielectric constant and long service life, making it suitable in applications such as energy storage and power factor correction, signal filtering, capacitor circuits, power supplies, computers and other electronics. It operates based on Faraday’s law of electrolysis, and meticulous attention is required in manufacturing to ensure tight tolerances, good materials and strong construction.

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