1210-123K

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Fixed inductors, for short coils or inductors, are commonly used in electrical circuits. They can be used in various application fields such as filtering, chokes, resonators, transformers and pulse transformers. Specifically, 1210-123K application field and working principle of fixed inductor is described as follows.

1210-123K Application Field

Generally, 1210-123K inductors are widely used in the fields of digital TV, mobile phones, set-top boxes, hard disk drives, liquid crystal displays, automotive electronics, etc. It is an indispensable device to provide electromagnetic energy. But the important application field of this inductor is power supply circuit. In the power supply, 1210-123K inductors are mainly used to filter output voltage, filter waves, balance input current, reduce interference from switching operation and prevent instantaneous surge current impacting other devices.

1210-123K Working Principle

An inductor is a passive electronic component that stores energy in a magnetic field. A 1210-123K inductor consists of a coil of insulated wire wound around a ferrite or powdered-iron core. When current passes through the coil, a magnetic field is created and the inductance of the inductor is generated. The inductance depends on the number of turns of the coil, the cross-sectional area of the coil and the permeability of the core material. When an alternating current flows through it, a voltage is induced in the coil, which is called an electromotive force (EMF). The EMF increases as the frequency of the current increases, because it takes time for the magnetic field to build up, and the faster the current fluctuates, the slower the field can form. The inductor acts like a resistor when current passes through it, dissipating heat as the current flows through.

Conclusion

In conclusion, 1210-123K inductors are inductors with an application field of power supply circuit and a working principle of alternately creating a magnetic field to store electromagnetic energy. They are widely used in various fields of digital TV, mobile phones, set-top boxes, etc.

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