PM125S-101M

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Fixed inductors refer to the inductors whose inductance value remains unchanged. The PM125S-101M is a typical fixed inductor. This article will focus on its application field and working principle.

The PM125S-101M is a 0.01uH shielded inductor with a tolerance of ±15%. It is constructed with a ferrite core and copper wire with 6.25*19.2mm winding mounted in an injection molded plastic case with a silkscreen print. It has a very low DC resistance of 12 mOhms. It can withstand a maximum rated current of 12.7A and can operate at temperatures between -25 and 85°C.

The PM125S-101M has a wide range of applications including cellular phones, industrial automation, consumer electronics, computers, home audio, power supplies, gaming, automotive, and more. It is used to buffer voltage and amplify current as part of power conversion circuits. It is also commonly used as a harmonic filter in power line noise suppression and EMI Shielding circuits.

The PM125S-101M works by using principles of magnetic induction. When an alternating current (AC) passes through the coil, it induces a small magnetic field around the coil. This magnetic field wraps around the coil and causes the electrons on the winding to line up in the same direction. This creates a flow of the induced current in the same direction as the original current.

The strength of the induced current is determined by the quality and number of turns of the wire around the coil. The higher the quality of the wire and the more turns it has, the stronger the induced current. The magnitude of the induced current is also determined by the core material of the inductor. Generally, ferrite cores have higher inductance and can produce stronger induced currents than other core materials.

In summary, the PM125S-101M is a fixed inductor which is suitable for a wide range of applications. It has a ferrite core and copper wire winding with 0.01uH tolerance and 12 mOhms resistance. It works by using the principles of magnetic induction, wherein an alternating current through the coil induces a small magnetic field and a flow of induced current.

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