NLCV25T-2R2M-EFR Inductors, Coils, Chokes

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Fixed inductors are indispensable components in power electronic applications. Of them, NLCV25T-2R2M-EFR is a fixed inductor that has a wide range of power and medium frequency applications, and this write-up will shed light on the application field and working principle of this product.

NLCV25T-2R2M-EFR fixed inductors feature an inductance range of 0.2mH-2.2mH and a rated current between 0.12A – 2A at 25°C. This type of inductors also features a high saturation current (3.6A - 4.2A) and a low DCR level of 0.075ohm-0.215ohm at 25°C. It also boasts a temperature coefficient (TC) of 0.0-50 to 0.0-90 over the induction range.

Application Field

NLCV25T-2R2M-EFR leaded inductors are mainly used in consumer and industrial applications, such as DC-DC converters, AC-DC converter, switching controllers, LED drivers, switching power supplies, electric filters, and medical devices. Moreover, these inductors require fewer components, which makes them perfect for designs. This fixed inductor can also be used as an output inductor in buck and boost devices.

Working Principle

The working principle of fixed inductors such as NLCV25T-2R2M-EFR is based on the law of electromagnetic induction that states that an electric current produces a magnetic field. In the case of a fixed inductor, a primary winding stores energy in its magnetic field and when a secondary winding is connected, the primary’s magnetic field induces power in the secondary winding. The secondary winding is either in parallel or in series with the inductor’s input voltage.

The inductance of an inductor is the ratio of voltage to the rate of change in current. In the case of this specific inductor, the inductance is mainly determined by the number of winding turns and the geometry of the bobbin. It is also affected by the core type and size. The magnetic properties of the core material define the maximum energy that can be inducted into the inductor. The overall efficiency of the inductor depends on the core losses, winding losses and radiated losses.

Conclusion

NLCV25T-2R2M-EFR is a fixed inductor with a wide range of application fields such as industrial applications, DC-DC converters, AC-DC converters, switching controllers, LED drivers, switching power supplies, electric filters, and medical devices. Its working principle is based on the law of electromagnetic induction, and its inductance, efficiency, core losses, winding losses and radiated losses are determined by the number of turns, geometry of the bobbin, core type and size and the magnetic properties of the core material.

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