LQW15AN8N2G80D

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Fixed inductors, such as LQW15AN8N2G80D, are electronic components used to store electrical energy in a magnetic field. They are composed of a coil of insulated wire wrapped around a magnetic core material and usually have two terminals for connection to a circuit. The amount of energy that can be stored is determined by the size of the inductor and the amount of current that is applied.

The primary application of fixed inductors is in power supplies and other energy storage systems. They are used to filter out high frequency AC current in power supply circuits, ensuring that only the desired frequency components of the power remain. This helps reduce noise and provide a steady power supply. Fixed inductors can also be used to store energy, thus creating a reservoir of energy for heavy load currents.

The basic working principle of fixed inductors is the Faraday\'s law of induction. According to this law, an electric current flowing through a conductor generates a magnetic field that induces a voltage in the conductor. This means that when a current is applied to the inductor, a voltage is induced in the winding of the inductor. The amount of current that needs to be supplied to the inductor determines the strength of the magnetic field, which subsequently determines the voltage that will be induced. The relationship between current and voltage can be expressed by the varied forms of the basic inductance equation.

Fixed inductors are available in various sizes and shapes depending on their specific application. The size of the inductor is specified by its inductance, which is typically measured in Henrys (H). The construction of a typical inductor involves a conducting core wrapped with a conductive insulated wire, usually either copper or aluminum. The flux created by the current passing through the coil induces a voltage depending on the number of turns and the shape of the core.

The typical applications of fixed inductors include voltage filters, low-pass filters, impedance matching, radio-frequency (RF) applications, and other power management applications. They are also used to provide high levels of inrush current, which is necessary to "soft start" power supply circuits. The use of a fixed inductor in a power supply eliminates the noise generated when the current starts up.

Fixed inductors can also be used in loudspeakers and other audio applications. In this case, the inductor acts as a choke to reduce high frequency oscillations in the signal paths. The inductor also helps to reduce distortion caused by power supply noise.

The most important aspect of using a fixed inductor is to ensure that the device is properly sized for the application. This includes checking the electrical properties such as inductance, resistance, capacitance, and current rating. It is also important to ensure that the core material is correctly chosen for the application. Finally, the winding of the coil must be done carefully to ensure that there is no leakage of the current and to ensure that the inductor operates within its specified range.

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