MAL205258221E3

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aluminum electrolytic capacitors

Aluminum electrolytic capacitors (AECs) are electrochemical components optimized for use in high frequency and low voltage applications. They are widely used in audio, video, broadcast, and telecommunication applications, and are used to store energy in the electronics industry. MAL205258221E3 is one of the AECs. It is a polar capacitor made of an anodic aluminum oxide as the electrolyte to form a dielectric, and its two electrodes are formed on the oxide layer. It is nothing more than two ventilated aluminum plates coated with ivory, separated from each other by a layer of insulating aluminum oxide. In addition, a wrap of paper coated with a protective coating, usually a varnish, is wound around them.

Application Field for MAL205258221E3

The MAL205258221E3 is a polar capacitor with a working voltages ranging from 6.3V to 63Vdc. It is small in size and has a large capacity of the same size, which makes it very suitable for use in miniature power converters. It also has good frequency characteristics, so it can be used in a wide range of applications, such as filtering and smoothing of power supplies, power switching, and limited voltage protection.

In addition, it can also be used in low voltage power, signal filtering, waveform shaping, phase and frequency compensation, low frequency oscillation and so on. In addition, the MAL205258221E3 also has a wide range of applications in the fields of communication and automotive electronics, audio and video, and home appliances. For example, it can be used in communication networks, mobile phones, digital cameras, display screens, and hard disk drives.

Working Principle

The working principle of the MAL205258221E3 aluminum electrolytic capacitor is based on the theory of electrochemistry. This capacitor uses an anodic aluminum oxide as the dielectric and two aluminum foil electrodes as the plates. The aluminum foil on the electrolyte acts as the anode, and the aluminum foil on the opposite side is the cathode.

When a voltage is applied between the two plates, the aluminum oxide acts like a dielectric and the capacitance is formed. The capacitance of the MAL205258221E3 depends on the thickness and porosity of the dielectric and the surface area of the electrodes. The larger the surface area of the electrodes and the thinner and more porous the dielectric, the greater the capacitance.

The MAL205258221E3 has a relatively large capacitance value, which can reach more than 6200uF, and its working voltage can reach 63V. The voltage between the two plates of the aluminum electrolytic capacitor, known as the leakage current, is very small, so it can be used for a long time in applications with very low current and voltage.

Conclusion

In summary, the MAL205258221E3 aluminum electrolytic capacitor is a polar capacitor with a working voltage range from 6.3V to 63Vdc. It has a wide range of applications, such as filtering, smoothing, power switching, limited voltage protection, signal filtering, waveform shaping, and low frequency oscillation. In addition, it also has a large capacity, good frequency characteristics, low leakage current, and can be used in long-term applications.

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