4922R-22K

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Fixed inductors are components used in circuits that store electrical energy in the form of a magnetic field when exposed to an electric current. The 4922R-22K is a fixed inductor that is used in various applications due to its wide range of features. This article will provide an overview of the 4922R-22K application fields and the working principle behind it.

Application Fields

The 4922R-22K has a wide range of applications, primarily in power supplies, power management systems, and signal conditioning. Its use in power supplies is one of its main applications. The 4922R-22K can be used in various power management systems, such as voltage and current regulators, battery management systems, and so on. Furthermore, it is also used in signal conditioning applications, including radio frequency, intermediate frequency, and analog signal conditioning. Some of its other applications include power line filters and pulse transformers.

Features

The 4922R-22K has a range of features that make it suitable for various applications. It has an impedance range of 10 Ω to 30 Ω and a DC resistance range of 10 mΩ to 200 mΩ. Its temperature range is -20°C to +105°C. It also has a wide inductance tolerance, ranging from -20% to +10%. Additionally, it features an air gap inductance range of 1.2mH to 5mH with a working frequency range of 10kHz to 1MHz. It also has a high thermal resistance rating of 125°C/W.

Working Principle

Fixed inductors are implemented by winding a length of wire around a core material, usually a ferromagnetic material, which creates a magnetic field. When an electric current passes through the wire it creates a magnetic field, which in turn produces a voltage in the opposite direction, known as the inductance. The amount of the inductance is determined by the number and size of wire turns and the material used for the core. The 4922R-22K is a fixed inductor that is designed to withstand the conditions of signal processing in power management systems. It is also designed to resist the varying temperatures that occur in these applications.

The current flowing through the 4922R-22K creates an increasing magnetic field around the core. This magnetic field induces a voltage in the opposing direction of the current flow. This opposing voltage effectively increases the electrical resistance of the inductor by the amount equal to the induced voltage. This means that the inductor can act as a saturable reactor, allowing it to regulate the amount of current passing through it and maintain a consistent voltage level.

Summary

The 4922R-22K is a fixed inductor designed for power and signal conditioning applications. It has a wide range of features, including an impedance range, inductance tolerance, and air gap inductance. Its working principle is based on the inductance created by the magnetic field when a current passes through a wire wound around a core material. The 4922R-22K is suitable for use in power management systems, signal conditioning applications, and other vital applications.

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