LEMC2520T2R2M

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Fixed Inductors

Inductors are components that store energy in the form of a magnetic field, and are part of every electrical circuit. Fixed inductors are components with a fixed inductance, inductive reactance, and impedance. Their performance does not change with frequency or temperature. The LEMC2520T2R2M is a fixed inductor.

Application Field

The LEMC2520T2R2M is a small-sized SMD inductor designed for surface mounting on circuit boards in portable wireless devices, such as cellphones, hard drives and DVD players. It\'s designed for small size, low EMI and low power loss applications. It can be used in circuits where a low impedance is desired, such as in mobile phone circuits and in server applications.

Working Principle

The working principle of a LEMC2520T2R2M is simple: it uses a core out of ferrite material to store energy from an electric current, creating a magnetic field. As the current passes through the core, the magnetic field will be generated. The strength of the field will depend on the size of the core, number of turns of winding and the direction of current.

This magnetic field has two main properties: inductance and reactance. Inductance is the capacity of the inductor to store energy in the form of a magnetic field. Reactance is the opposition of a circuit element to the flow of alternating current. At higher frequencies, the reactance of the inductor increases, while the inductance remains the same.

Applications of the LEMC2520T2R2M that require a constant, predetermined inductance could benefit from a fixed inductors like this one. The fixed inductance prevents the output from deviating from a desired amount. This component is also effective in suppressing EMI because of the inherent inductive reactance.

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