LGR2D561MELZ45

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Aluminum Electrolytic Capacitors are a type of polarized capacitor that is composed of two aluminum foil electrodes and a non-conductive electrolyte. They are characterized by relatively large capacitance values, excellent and reliable thermal performance, low ESR values, and high ripple current carrying capabilities.

The LGR2D561MELZ45 is an aluminum electrolytic capacitor from the LGR2D range of capacitors. It has a working voltage of 450 volts, an impedance of 190uH, a capacitance of 560uF, and a rated frequency of 100kHz.

The key application of this capacitor is as a high-power ripple reservoir. It can be used in applications such as power supplies, motor drives, and audio amplifiers. This capacitor is also used in some types of switch mode power supplies and motor drives. It is able to absorb high ripple currents due to its large capacitance value, which means that it can operate at higher ripple frequencies than other types of capacitors.

The working principle of the LGR2D561MELZ45 is based on the electrochemical oxidation-reduction reaction. A dielectric layer, consisting of an aluminum oxide film, forms on the two aluminum electrodes when an electric charge is applied. This dielectric film stores electrical energy, resulting in a capacitance value. The aluminum foil electrodes are protected from damage caused by overvoltage or excessive temperatures by a jacket that is filled with non-conductive electrolyte. The non-conductive electrolyte not only acts as an insulator, but also helps to reduce the equivalent series resistance and thus increases the ESR value.

The LGR2D561MELZ45 aluminum electrolytic capacitor is generally used in applications where high-power ripple current needs to be absorbed over a long period of time. Due to the absence of a higher ESR value, it is an ideal choice for applications that require gradual current recovery or fast switching. It also provides excellent long-term reliability and high-temperature stability. As with any other capacitor, its efficiency is reduced when operating at higher frequencies, however it is still able to operate at frequencies as high as 400kHz.

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