LQW2UASR27F00L

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Fixed inductors, also commonly referred to as chokes, are electronic components used to store energy in electric or magnetic fields by creating a magnetic field that is held static over time. Generally they are used in applications where the amount of inductance, self-initiated by a slow changing current, is necessary.

LQW2UASR27F00L is one of those fixed inductors that usually have a circular, square-shaped or rectangular core made of ferrite or powdered iron. The core is surrounded by multiple layers of wire that generate a static magnetic field. As the total number of winding turns determines the inductance of the choke, a control winding can be used to adjust the inductance value before or after assembly.

The most common application for fixed inductors is to reduce interference in any type of electrical system by blocking electromagnetic signals while passing current through AC or DC currents. It is also used in power supplies, filters, switching power supplies, or wave generators to control the passing current. They can also be used in applications such as controlling the operating frequency in power supply or other control and communication circuits.

The working principle of fixed inductors involves the use of alternating current, which causes a sustained magnetic field in the core, generated by the windings. The current stored in the magnetic field will then induce a same current to flow in the same direction of the existing alternating current.

The total amount of inductance provided by the fixed inductor depends on a wide variety of factors, including the number of windings, the size of the core, and the inductance properties of the core material. It is important to note that for the same number of turns, ferrite materials typically provide higher impedance at higher frequencies than powdered iron cores.

The most important property of a fixed inductor is its inductance, which is the ratio of the number of turns in the winding to the core material. This determines how much current can be induced in the winding without the current changing direction.

Another important aspect to consider is the size of the core material, as this affects the allowable current rating and the inductance. The current rating is the maximum amount of current that can be passed through the choke without it saturating and reaching saturation, while the inductance is the amount of inductance needed to induce the current in the winding.

Finally, in order to maximize the effectiveness of the choke, it is important to select the right core material, wire diameter, and number of turns. This ensures that the fixed inductor is able to store the maximum amount of energy while maintaining the lowest possible noise level.

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