SCRH123-390

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Fixed Inductors: SCRH123-390 Application Field and Working Principle

Inductors are generally divided into fixed inductors and variable inductors. Fixed inductors, as the name implies, have predetermined parameters and specifications; in contrast, variable inductors possess adjustable parameters and specifications when in use.

The SCRH123-390 is a type of fixed inductor. It is a mounting type inductor characterized by a high magnetic flux density, low DC resistance, high frequency characteristics, low temperature coefficient, and high self-resonance frequency. It is mainly used for EMF protection, DC circuit conversion, current filtering, oscillation circuits, and other similar applications.

The SCRH123-390 fixed inductor is made of a high purity nickel-zinc ferrite shell, a copper wire winding, and an epoxy glue wire. The ferrite absorbs most of the external electromagnetic field and returns most of it to its source. The copper wire winding increases the inductance of the product while also allowing it to be used in the application of high frequencies. The epoxy glue wire ensures the mechanical and electrical connection of all the components.

The working principle of fixed inductors, such as the SCRH123-390, is based on the principle of electromagnetic induction. When an alternating current passes through the inductor\'s winding, it creates a magnetic field that opposes the applied current and induces a voltage in the winding. The products of the induction voltage and current form what is known as the inductive reactance, and this is what allows inductors to be used to filter or resist unwanted current.

The SCRH123-390 fixed inductor also has self-resonance frequency, which is its ability to detect and respond to certain frequencies. When the frequency of a signal matches the self-resonance frequency, the inductor will generate an oscillating current that amplifies the signal. This property makes this type of inductor ideal for use in oscillator circuits as well as filters in communication systems.

In summary, the SCRH123-390 is a fixed inductor used for various applications such as EMF protection, DC circuit conversion, current filtering, oscillation circuits, and so on. It is made of a ferrite shell, copper wire winding, and epoxy glue wire and works by the principle of electromagnetic induction. The product also has a self-resonance frequency that makes it an ideal choice for oscillator circuits and filters.

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