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Fixed Inductors

L08-05120GEWTR/OR is a fixed inductor. Fixed inductors are passive components that form an integral part of most electronics circuits. An inductor is a device consisting of one or more turns of wire or an interlocking loop of magnetic material that, when energized with an electric current, produces a magnetic field. The magnetic field holds the current in the inductor while also storing and transferring energy from one circuit to the next.

Application Field

The L08-05120GEWTR/OR fixed inductor is designed to be used in various electronic applications including power sources, filters, power factor correction, boost and buck converters. It is also suitable for applications such as inductor chokes, transformers, bridge rectifiers and switching circuits, to help with filtering, switching and current limitation. It is also used in DC-to-AC converters, oscillators, audio circuits, and RF circuits.

Working Principle

A basic working principle of a fixed inductor is that of an inductive reactance. Electromotive force (EMF) generated by a current is stored in the coil of the inductor. When a current passes through the inductor, the current can be modified or “controlled” by the applied voltage or frequency. This is known as the principle of self-inductance.

The changing current in a coil creates a voltage across the coil, which can supplement or oppose the surrounding electromotive force depending on the direction of the current flow. This is known as the principle of mutual inductance and is the basis of transformer operation.

When a conductor has one or more turns of wire in a surrounding magnetic field, a voltage is generated at every turn of wire proportional to the rate of change of the magnetic flux. This is known as the principle of induced E.M.F. and is the basis of the generator.

Conclusion

The L08-05120GEWTR/OR fixed inductor is a highly versatile component, suitable for a range of applications. Its design is based on the principle of self-inductance, mutual inductance and induced E.M.F., allowing it to control the current through the inductor and also to help supply or oppose an electromotive force, depending on the situation.

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