101353U040CD2A

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Aluminum electrolytic capacitors have become indispensable components in many electronic systems for application in various fields. 101353U040CD2A is one aluminum electrolytic capacitor example. This article will explore the application fields and working principle of 101353U040CD2A and the technology behind aluminum electrolytic capacitors.

Application Field

Due to its very high capacitance to volume ratio, a 101353U040CD2A aluminum electrolytic capacitor is particularly suitable for applications where low-profile and high capacitance are required. Consequently, aluminum electrolytic capacitors are widely used in DC-DC converters, various power supplies, audio amplifiers, signal coupling, and many other fields. Particularly, 101353U040CD2A aluminum capacitors, offer low ESR and high ripple current, allowing them to be used in charge/discharge applications with auto-switching circuits. Furthermore, high energy density and low inductance are key features of the 101353U040CD2A aluminum electrolytic capacitors, making them ideal for computer motherboards, circuits and other ultra-high frequency applications.

Working Principle

The working principle of 101353U040CD2A aluminum capacitors is based on the Faraday principle of electrolysis. This principle states that when an electric current passes across two electrodes placed in an electrolyte, the ions in the electrolyte are attracted to the electrodes. These ions form a very thin layer of an oxide compound which electrically insulates the electrodes, resulting in a capacitor. The difference between the two electrodes is called the electric double layer, which is the basic structure of aluminum capacitors.

In the case of 101353U040CD2A aluminum electrolytic capacitors, the two electrodes are made of aluminum foils which are rolled up and connected together using an impregnation process. The aluminum electrodes are then immersed in an electrolytic solution composed of aqueous sulfuric acid, sodium hydroxide, and ethylene glycol. This electrolyte provides a charge for the aluminum electrodes, allowing them to store electrical energy.

Technology behind Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors derive their extreme capacitances from the unique construction of the electrodes. The aluminum electrodes are made of ultra-thin aluminum foil which is stretched over a metallic outer layer. This thin metallic layer allows ions to freely move between electrolyte and electrodes, allowing for the capacitance to increase exponentially. The electrolytic solution also plays a critical role in the performance of aluminum electrolytic capacitors. The electrolyte is designed to have the appropriate concentration of ions which creates the charge necessary to produce the capacitor’s dielectric effects.

The combination of ultra-thin aluminum foil, electrolytic solution, and dielectric effects are what produce the high capacitances attainable in aluminum electrolytic capacitors. Aluminum electrolytic capacitors exhibit very low ESR, ESR being the amount of resistance that occurs when an electric current passes through a capacitor. This low ESR means that aluminum electrolytic capacitors can be used in many applications where low-profile and high capacitance are required.

Conclusion

In summary, 101353U040CD2A aluminum electrolytic capacitors are perfect for applications requiring high capacitance and low profile. The Faraday principle of electrolysis, combined with the ultra-thin aluminum construction of the capacitors and highly concentrated electrolyte solution, allows aluminum electrolytic capacitors to provide nearly unparalleled capacitances. Moreover, low ESR ensures that these capacitors are suitable for use in a wide variety of applications, from power supplies to audio amplifiers.

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