LQH3NPN1R0MM0L Inductors, Coils, Chokes

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The LQH3NPN1R0MM0L fixed inductor is part of a larger series of surface mount inductors from Taiyo Yuden. This device is ideal for applications involving a wide range of power levels. Although the power level of an individual unit may be limited, by linking several in series, or combining several in parallel, higher currents can be obtained.

The LQH3NPN1R0MM0L is a type of fixed inductor with an inductance of 3.9uH. Its operating frequency range is from 0.2 MHz to 200 MHz. It has a current rating of 0.5A, and a power rating of 2.1W. This device features high self-resonantfrequency and low DC resistance, which makes it an ideal choice for AC/DC switching regulation circuits.

This device features a multilayered construction designed for high current applications. It consists of a high-permittivity ferrite core and copper windings. The ferrite core helps reduce the skin effect by providing an accurate and uniform distribution of flux, while the copper windings increase the current rating and help reduce AC losses.

The working principle of this device is relatively simple. When an AC current is passed through a conducting coil, a magnetic field is created. This magnetic field is then affected by the surrounding magnetic fields and induces a voltage that causes the current in the coil to oscillate. This oscillation causes an oscillating voltage in the circuit, which further induces an oscillating current. This inducing action is called Inductive Coupling.

The LQH3NPN1R0MM0L’s main application field lies in AC/DC switching regulation circuits. Its high current rating, low DC resistance, and high self-resonant frequency make it an excellent choice for applications requiring high efficiency. The device can also be used in a wide range of AC/DC power conversion circuits, such as DC-DC converters, as well as noise suppression applications, such as common-mode chokes.

In conclusion, the LQH3NPN1R0MM0L is a type of fixed inductor with an inductance of 3.9uH, a current rating of 0.5A, and a power rating of 2.1W. It is primarily used in AC/DC switching regulation circuits due to its high current rating, low DC resistance, and high self-resonant frequency. The device is constructed of a high-permittivity ferrite core and copper windings, which help reduce the skin effect and increase the current rating. The working principle of this device relies on inductive coupling, which is the induction of an oscillating voltage and current.

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