LQW18AN4N2B80D

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Fixed inductors, also known as chokes, are components which oppose the flow of electrical current. They are used in many types of circuitry to limit current, filter noise, and store energy. The LQW18AN4N2B80D is a wire wound fixed inductor, made with a molded plastic body and a ferrite core. As with all wire wound fixed inductors, it is designed for applications which require more inductance than other types of inductors.

The LQW18AN4N2B80D’s construction consists of an air-core inductor wrapped around a ferrite magnet, which helps to increase its inductance. The air-core inductor is comprised of an insulated copper wire wound around a plastic bobbin. This is then wrapped around the ferrite core, which is made from a ferromagnetic material such as manganese-zinc or nickel-zinc. The two materials form a strong magnetic field when energized.

A fixed inductor can be used for many different purposes. It can be used to filter out noise and prevent distortion in audio equipment. It can also be used to create a low-pass filter in radio-frequency (RF) applications. In power supply circuits, it can limit the current passing through a circuit and can also be used to regulate voltage. It can also be used to store energy, as in resonant circuits such as radios. Additionally, it can be used to create filter circuits used to control the modulation frequency in wireless communication systems.

The LQW18AN4N2B80D is most commonly used for noise filtering and voltage regulation. In radio frequencies, it can filter out frequency components which could cause interference. It can also be used to create low-pass filters to regulate the frequency of modulation. In power supplies, it can prevent voltage spikes, and in circuits such as motors, it can prevent current spikes. Additionally, it can be used in audio circuits to filter out noise and provide improved sound quality, and in resonant circuits it can store energy.

The LQW18AN4N2B80D has a rated load of 18.0µH, with an inductance tolerance of ±30%. It can handle an operating temperature of -55°C to +125°C and has an impedance of 400mΩ. It is rated for an operating frequency of 2kHz to 1MHz. Its resonant frequency is 8.44MHz, and it has a self-resonant frequency of 25MHz and a rated current of 5.0A.

The working principle of a fixed inductor is that when a current passes through the wire, a magnetic field is generated around it. This magnetic field interacts with the ferrite core, and as the current passes through the inductor the magnetic field is strengthened. This increases the inductance of the component. As more current passes through, the inductance increases and the voltage induced across the wires increases, creating a back EMF which opposes the current flow.

The LQW18AN4N2B80D is a versatile wire wound fixed inductor. It is most often used for noise filtering, voltage regulation, and storing energy. It is especially suited for high frequency applications, due to its low impedance, high resonant frequency, and wide operating temperature. Its small size makes it ideal for use in many kinds of circuitry, and its effective magnetic field helps it provide reliable performance in even the most demanding applications.

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