NRH3012T100MN Inductors, Coils, Chokes

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Fixed inductors refer to an inductor in an electrical circuit consisting of a conductor called a coil wound on a core with several turns and an insulation layer between the coil and the core. The NRH3012T100MN is an example of a high-performance fixed inductor with both miniature dimensions and low DCR. According to the product datasheet, this inductor has a testing frequency up to 100MHz and is suitable for use in various high frequency applications.

A practical application of the NRH3012T100MN is in common-mode filtering. Common-mode noise is defined as any type of noise that travels along the same path on both sides of a differential signal, such as a telephone line or a power line. By using two identical fixed inductors, such as the NRH3012T100MN wired in series, the common-mode noise is removed, thereby allowing a good attenuation of high-frequency common-mode noise in low-frequency, high-speed data lines.

The NRH3012T100MN also finds application as a power inductor, particularly in high frequency DC-DC conversion scenarios. The inductor acts to store energy during the on-period of the switching process, which is then released as current during the off-period. This reduces the stress on the system due to current peaks, thus allowing for smaller components and higher efficiency. This component is designed to reduce EMI output and reduce power consumption.

The working principle of the NRH3012T100MN is based on the concept of electromagnetic induction. Inductors are made up of two main parts: the coil and the core. The coil is made up of a wire that has been wrapped around itself to form a loop. When a DC current is passed through the coil, a magnetic field is created around it. The core is a material, typically soft-iron, which is placed inside the loop of the coil. When the magnetic field passes through the core, an electromotive force (EMF) is induced across the two ends of the coil.

This electrical current generated by the inductor is then used in a variety of applications and devices. In power conversion scenarios, the generated current is used to feed into a DC-DC converter. In common mode filtering deployments, the current generated by the coiled partly offsets the common-mode signal, thereby improving the system performance. In other applications such as antennas and audio systems, the current is used to drive loudspeakers.

In conclusion, the NRH3012T100MN fixed inductor is a high-performance inductor with miniature dimensions and low DCR. This inductor finds applications in common-mode filtering, power inductors, antennas, audio systems, and high-frequency DC-DC converters. It works on the principle of electromagnetic induction, which involves the generation of an electric current as a magnetic field passes through a core placed inside the coil.

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