UPJ2AR68MDD

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are solid electrolytic capacitors that combine two aluminum plates and an electrolyte. They consist of a thin layer of an oxide film formed on the surface of the aluminum plate. As a result, an electric field occurs between the plates which serves as the basis for storing energy. The current generated along this field is proportional to the voltage and the capacitance of the capacitor.

The UPJ2AR68MDD is a surface mount aluminum electrolytic capacitor used for high-frequency filtering and noise suppression. It comes in a number of package sizes, including 0603, 0805, and 1005. The UPJ2AR68MDD is suitable for use in automotive, mobile phone, computing, and digital consumer electronic device applications.

Application Field

Aluminum electrolytic capacitors, such as the UPJ2AR68MDD, have a number of applications. These capacitors are typically used for power supplies, audio systems, communication equipment, monitoring systems, and other electronic circuits. Their high capacitance and long service life make them essential components for these applications. The UPJ2AR68MDD offers a long service life of 1,000 to 10,000 hours, making it suitable for use in a wide variety of applications including automotive, computing, and digital consumer electronic equipment.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on the electrochemical properties of the aluminum oxide layer. This layer, formed on the aluminum foil, serves as the dielectric between the two plates. An electric field forms between the two plates which stores energy. The current generated along this field is proportional to the voltage and the capacitance of the capacitor.

The UPJ2AR68MDD is constructed using an anodized aluminum foil and an electrolyte. The anodization process creates an oxide film that serves as the dielectric material for the capacitor. The electrolyte is a corrosive material that is used to create an electric field between the plates. When large currents flow through the capacitor, the electric field is produced that prevents arcing and short circuits.

The UPJ2AR68MDD also features an internal resistor that limits the current and prevents overvoltages from damaging the capacitor. The capacitor also has an internal heat sink which dissipates heat and allows the capacitor to work in higher temperature conditions. The internal heat sink also prevents the capacitor from overheating and improves its performance.

Conclusion

Aluminum electrolytic capacitors, such as the UPJ2AR68MDD, are widely used in various applications for their reliability, long service life, and high capacitance. They are utilized in power supplies, audio systems, communication equipment, monitoring systems, and other electronic circuits. The UPJ2AR68MDD offers a long service life of up to 10,000 hours which makes it suitable for a wide range of applications. The capacitor utilizes an anodized aluminum foil and an electrolyte to create an electric field that stores energy. The internal resistor and heat sink ensure proper functioning of the capacitor in higher temperature conditions.

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