LK21254R7K-T

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Fixed Inductors

Fixed inductors are components used in circuits to provide a low resistance path for the flow of electric current. They come in various forms and sizes. The most common type of fixed inductor is the LK21254R7K-T.

Application Field of LK21254R7K-T

LK21254R7K-T is a type of high-frequency, air-core, fixed inductor. The inductance of this type of inductor ranges from 4.7 uH to 20 uH and it has an operating frequency range from 0Hz to 300Mhz. This type of inductor is widely used in electronic circuits for high-efficiency power supply filtering, even limitation, integration circuit stabilization, impedance matching and noise reduction.

Working Principle of LK21254R7K-T

The working principle of the LK21254R7K-T inductor is based on the basic law of electromagnetic induction. When an electric field is set up by a changing current, a magnetic field is generated around the fixed inductor. This magnetic field induces a voltage in the inductor, which is proportional to the rate of change of current. The generated voltage opposes the applied electric field, creating a self-induced opposition to the flow of current, resulting in an inductive reaction.

The inductive resistance of the inductor, which is an important indicator of its performance characteristics, is determined by the structure of the air-core and the size of the inductor. The inductive resistance of the LK21254R7K-T is higher when the inductor has a smaller size and fewer turns of wire. The higher inductive resistance means that the inductor can store more energy, allowing it to act as a filter in power supply circuits.

In addition to acting as a filter in power supply circuits, the LK21254R7K-T inductor can also be used for even limitation, integration circuit stabilization and noise reduction in other electronic circuits. The LK21254R7K-T has excellent performance characteristics due to its air-core construction and high inductive resistance, making it an ideal choice for use in a variety of applications.

Conclusion

The LK21254R7K-T is a type of high-frequency, air-core, fixed inductor which is widely used in electronic circuits. Its inductive resistance is higher when the inductor has a smaller size and fewer turns of wire. It can be used for power supply filtering, even limitation, integration circuit stabilization, impedance matching and noise reduction. Overall, the LK21254R7K-T inductor is an ideal choice for use in a variety of applications.

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