PM125SH-100M

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Fixed Inductors

Fixed Inductors play a crucial role in electronics. They are ubiquitous, used in practically every electronic circuit. Among these inductors, the PM125SH-100M stands out for its reliable performance and low profile. This paper will discuss the application field of this inductor as well as its working principle.

Application Field

The PM125SH-100M fixed inductor is a high-performance general purpose component. It is intended to be used for AC and DC power supply systems, microcomputer circuits, automotive circuits, and more. Its effective frequency range is from 1 MHz up to 2.5 GHz, making it suitable for a variety of design requirements in communication equipment, home appliance control systems, and other electronic control systems. Additionally, its miniature package size reduces space requirements and minimizes PCB occupancy.

Working Principle

The primary function of the PM125SH-100M fixed inductor is to store energy in the form of a magnetic field. This is accomplished by passing a current through a conductor wrapped in a loop. This loop produces an electromagnetic field which in turn induces a current in any parallel path it encounters. This secondary current is limited by the inductance of the inductor’s core, a value determined by the number of turns of the conductor wrapped around the core. This magnetic field can then store the secondary current as a magnetic field, which is released when the current is removed, closing the loop.

When an alternating current passes through the inductor, the polarities of the current change continuously. This causes an electromagnetic field to be generated, which in turn produces a current in the secondary loop or in any other parallel path. This secondary current is limited by the inductance of the core, thus preventing any appreciable ripple currents from appearing in the secondary circuit. In addition, the magnetic field generated by the alternating current induces a voltage between the two ends of the inductor, which is referred to as the self-inductance or inductive reactance of the inductor.

Conclusion

The PM125SH-100M fixed inductor is a versatile and reliable passive component. Its miniature package design allows it to be used even in space-constrained layouts, and its wide frequency range from 1 Medium up to 2.5GHz makes it suitable for a variety of applications. Its primary function is to convert an AC current to a pulsed DC current, a process accomplished by the induction of a secondary current in a loop due to a induced magnetic field.

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