LGR2G181MELC25

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Aluminum Electrolytic Capacitors are an important component in many electrical and electronic circuits. The LGR2G181MELC25 belongs to the family of Aluminum Electrolytic Capacitors and is widely used in various applications. It has a maximum DC voltage of 25 volts and a maximum capacitance of 180 μF.

The LGR2G181MELC25 is a polarized capacitor that has two terminals: the anode and the cathode. A dielectric layer, made from an oxide film, separates the two terminals. The film acts as an insulator between the terminals, which prevents current flow between them. The capacitor has a cylindrical aluminum case with terminals at either end and is manufactured using a wet process. The case also acts as the anode.

The LGR2G181MELC25 is mainly used in power-supply circuits, where it is used to filter noise and ripple. It is also used in timing circuits as it has very low internal resistance, allowing it to discharge quickly. The capacitor can also be used in AC circuits to provide a power boost to low-frequency signals, and in DC circuits to reduce voltage spikes.

The working principle of the LGR2G181MELC25 is quite simple. When an AC signal is applied to the capacitor, the dielectric layer will charge up, creating an electric field between the terminals. This field stores the electric charge, and this stored charge is what gives the capacitor its capacitance. The dielectric layer also prevents current from flowing between the terminals.

When DC voltage is applied to the capacitor, the electric field between the two terminals will oppose the applied voltage, and this will cause the current to decrease. This effect is called capacitive reactance, or capacitive impedance, and is used to filter out ripple and other noise in the circuit.

The LGR2G181MELC25 is a commonly used and reliable capacitor and is found in many power supplies, timing circuits, and other applications. Its ability to withstand high voltages, low internal resistance and low leakage current makes it an ideal choice for many applications. Its simple internal design also makes it easy to maintain and troubleshoot.

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