LGW2E471MELB25

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also known as polarized capacitors, are energy storage devices that use an anode made of aluminum foil and an electrolytic paper impregnated with special electrolyte as the dielectric medium. These devices convert electrical energy stored in the form of an electric charge into a physical form. There are two types of aluminum electrolytic capacitors, electrolytic paper and non-electrolytic paper.

The LGW2E471MELB25 aluminum electrolytic capacitor is a low-EC tan tantalum electrolytic capacitor that is 95 percent similar to the LGW2E471MELB24 capacitor. It has a maximum capacitance of 4700 μF at 2.5 volts, a rated charge current of 0.59mA, and a maximum operating temperature of 125°C. As a low-EC capacitor, it can operate in higher voltage and temperature conditions than normal electrolytic capacitors. Its ultra-low profile allows for use in higher density applications and its wide capacitance range enables the design of smaller and lighter circuit boards.

Application fields using the LGW2E471MELB25 aluminum electrolytic capacitor are generally wide. It is most frequently used in the power and electronic fields, such as DC/DC converters, power supplies, automotive components, solar applications and other applications where power stability is necessary. Due to its wide capacitance range, it is also suitable for use in signal processing for communications, medical and instrumentation applications.

The working principle of the LGW2E471MELB25 aluminum electrolytic capacitor is based on the fact that aluminum foil has an inherent bias due to its dissimilar materials. When an alternating current is applied across the device, the electrons are driven towards the aluminum foil, forming an electron movement. As a result, the electric charge moving through the device is increased and stored in the aluminum foil plate.

The LGW2E471MELB25 aluminum electrolytic capacitor also utilizes a special electrolyte paper, which serves as a medium to allow the electrons to flow between the electrodes and the electrolyte. This paper has a low electrical resistance and a high dielectric constant, which enables the capacitor to provide a relatively wide frequency range of operation and smooth electrical variations.

The LGW2E471MELB25 aluminum electrolytic capacitor also achieves electrical stability over a range of frequencies due to its ultra-low profile and wide capacitance range. The low profile enables a better electrical shielding for the capacitor, thus providing a higher reliability of operation in high voltage, high temperature and other applications.

In conclusion, the LGW2E471MELB25 aluminum electrolytic capacitor provides reliable operation in a variety of power and electronic fields, such as DC/DC converters, power supplies, automotive components, solar applications and signal processing for communications, medical and instrumentation applications. It utilizes an inherent bias of the aluminum foil and a special electrolyte paper to achieve electrical stability and a wide capacitance range.

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