LQW2UAS27NJ00L

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Fixed inductors are electronic components whose inductance does not vary with frequency, current or other external influences. They are also known as fixed coils, immobilized coils or noncontrollable coils. They are usually composed of an inductive core, a winding and a case. LQW2UAS27NJ00L is a kind of fixed inductor, mainly used in power electronic circuits, communications, switching, and other circuits.

Application Field

The LQW2UAS27NJ00L is an inductor designed for power electronic circuits, communications, switching, and other circuits. Its tolerance is ±10%, its self-resonant frequency range is from 300kHz to 1MHz, and its current rating is 27A. It is a transformer-style inductor with two physical configurations – the front-end pin and the vertical side, the former providing a female socket for mounting, the latter providing a standard four-pin. This makes the LQW2UAS27NJ00L suitable for a wide range of applications.

In power electronic circuits, the LQW2UAS27NJ00L is used to bypass high-frequency interference, filter and regulate incoming electrical current, and protect downstream components. In communications and switching circuits, it is used to reduce voltage peak and suppress high-frequency noise. Moreover, the LQW2UAS27NJ00L improves the stability and performance of automotive electronics, industrial control, and similar applications.

Working Principle

The LQW2UAS27NJ00L is part of a class of components known as fixed inductors. An inductor is an electronic component, composed of a coil of wire wrapped around an inductive core. This wrapped wire generates a varying magnetic field within the inductor when an electrical current passes through it. This field interacts with the core to form an inductance, a property of the component which opposes the change of its electrical current. The amount of inductance created by an inductor is proportional to the number of turns in the winding and inversely proportional to its core area. The LQW2UAS27NJ00L uses a winding composed of a special alloy wire to achieve its high frequency characteristics.

The LQW2UAS27NJ00L’s winding is wound around an elongated ferrite core, resulting in an inductance that increases with current. The two physical configurations of the LQW2UAS27NJ00L – the front-end pin and the vertical side – aid in impedance control. When the inductor is operating at its rated current, the winding expands, increasing the inductance of the component.

The inductance of the LQW2UAS27NJ00L is also influenced by an effect known as skin-effect, a phenomenon that causes current to flow through the outer surface of the winding instead of being evenly distributed through the entire cross-section. This effect is reduced by using a special wire, which ensures that the winding has a uniform resistance along its entire length.

The combination of core and winding designs gives the LQW2UAS27NJ00L high frequency characteristics. Its wide self-resonant frequency range – from 300 kHz to 1MHz – makes it a suitable component for applications where peak current reduces due to high frequencies.

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