0819R-12H

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Fixed Inductors

A fixed inductor is typically represented and referenced by the model number of the device followed by a suffix letter that indicates the tolerance of the inductance value in accordance with its manufacturer’s specifications. A fixed inductor is generally an electronic component consisting of an inductive coil wound on a ceramic, plastic, or ferrite core. It is used in radios, television sets, amplifiers, and other electronic circuits. Specialized inductors used in automobiles and other industrial applications may use ferrite or other magnetic core materials.

The 0819R-12H is a specially designed fixed inductor that is suitable for high-frequency use in RF applications. The 0819R-12H is composed of a coil wound on a ferrite core of high permeability and features low DC resistance and high current handling capability. This model has an inductance value of 12μH and features a high self-resonant frequency of 38MHz.

The 0819R-12H is applicable in a variety of Power Applications including DC/DC converters, voltage regulators, and power supply designs. It can also be used in power controllers and switching regulators. The 0819R-12H is also suitable for Fading Compensation of Laser Drive circuits, Frequency Multiplication of RF Oscillators and General RF Applications. It is also capable of noise suppression in various precision circuits.

Working Principle

Fixed inductors work based on Faraday’s law of electromagnetic induction. This law states that when a conductor is moved through a magnetic field, an electric current is induced in the conductor. The electric current is proportional to the rate at which the conductor moves through the magnetic field. The amount of current induced is also proportional to the number of turns in the coil and to the strength of the magnetic field.

In the case of fixed inductors, the magnetic field is generated by the coil itself, acting as both a primary and a secondary coil. As current passes through the primary coil, a magnetic flux is generated, and as the current passes through the secondary coil, the magnetic field interacts with it, inducing a current in the form of an electromotive force. This electromotive force is then dissipated as low-frequency signals, which can then be used for various purposes.

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