B41231C7828M000

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, which are also called electrolytic capacitors, belong to a type of polarized, non-solid capacitors. They have two levels of electrical characteristics, greatly improved by using an electrolyte solution ( ordinarily an organic solvent ) as a dielectric material, and have the effect of storing large currents compared with other capacitors. Inside the aluminum electrolytic capacitor, cathode and anode layers are placed on an aluminum foil while a paper separator soaked in oily electrolyte is placed between the foil. Due to this structure, the amount of electric energy capable of being stored and used is large.

B41231C7828M000 application field and working principle

B41231C7828M000 aluminum electrolytic capacitor is mainly used in digital circuits and SMPS such as laptops, LCD TVs, DVD and HD players, home cinema, professional audio and video appliances.

The main components of the B41231C7828M000 are metalized or etched aluminum for the cathode, paper-enclosed electrolyte for the dielectric, and manganese dioxide for the anode. It works as following: Firstly, the current is passed from DC source of voltage to the aluminum film of the capacitor. This film contains a number of microscopic negative charges (-) on its surface. Secondly, it conducts these negative charges to the anode, which contains microscopic positive charges (+). These positive charges would repel the negative ones, causing the capacitor to charge up. Thirdly, when the current is removed, the charges remain in the capacitor, resulting to a stored electric energy. Besides, B41231C7828M000 also features low ESL, low ESR, SMD, flammability rating, temperature coefficient and various failure modes.

In conclusion, B41231C7828M000 aluminum electrolytic capacitor are playing an important role in many digital circuits and SMPS and its application field and working principle are obvious.

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