LGGW6391MELC30

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Aluminum electrolytic capacitors are a type of capacitor used in many electronic devices due to their large capacitance values and relatively small size. The LGGW6391MELC30 is a radial leaded aluminum electrolytic capacitor designed primarily for use in audio applications. It features a capacitance range of 4.7 µF to 47 µF with a voltage rating of 25V or 50V and a temperature range of -40°C to +105°C.The working principle of aluminum electrolytic capacitors is based on the electrical double-layer effect which occurs between two metal plates separated by an electrolyte solution. This effect creates a capacitance between the two plates, where the capacitance value is dependent on the area of the plates, the distance between them and the dielectric constant of the electrolyte solution.When a voltage is applied between the plates, the electrical field within the electrolyte creates an electric double layer on the surface of the plates which increases the capacitance of the device. As the applied voltage increases, the electric field between the plates increases, which in turn increases the capacitance of the device.The main application field of the LGGW6391MELC30 is audio applications due to its high capacitance and low leakage current. Its high temperature range and voltage rating makes it suitable for use in environments where extreme temperatures and higher voltages are present.It is commonly used in power supplies, such as DC-DC converters, for decoupling purposes. It is also used in radio tuning circuits and in AC line filtering to reduce noise and peak transients.In conclusion, the LGGW6391MELC30 is a radial leaded aluminum electrolytic capacitor with a capacitance range of 4.7 µF to 47 µF, a voltage rating of 25V or 50V and a temperature range of -40°C to +105°C. It is designed primarily for use in audio applications but can also be used in other applications, such as DC-DC converters, radio tuning circuits and AC line filtering, due its high capacitance and temperature range.

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