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Fixed Inductors

A fixed inductor, such as an PL10107, is an electrical device used in a variety of applications involving electromagnetic fields. It is designed to store and transfer electrical energy by creating a magnetic field in a circuit and is an essential component for constructing electronic circuits.

Application Field

Fixed inductors, particularly the PL10107, are used in a wide variety of applications and industries. In the energy sector, they are used for constructing high-efficiency power-supply circuits. In industrial and automotive controls, they are used in microprocessing systems and in robots where transistors and diodes cannot easily take up a large number of signals. They are also used in computers and wireless systems to convert direct current (DC) to alternating current (AC) and vice versa. Lastly, they are used in radio and television broadcasting systems to provide a stable frequency and limit signal distortion.

Working Principle

Fixed inductors, such as the PL10107, make use of Faraday\'s Law of Electromagnetic Induction. This law states that when a magnetic field is applied to a closed path of current, a voltage will be induced in that path, which is proportional to the rate of change of the magnetic flux. Specifically, an inductor works by storing energy in the form of a magnetic field when electric current passes through it. When current is introduced to the inductor, it creates the magnetic field and when the current is stopped, the field collapses, and the energy is released back into the circuit.

The PL10107 is designed both as the primary element of a power supply filter or a smoothing filter circuit, and as an element of an inductor-capacitor (LC) parallel resonance circuit. The usual design approach is to choose an appropriate inductance value and peak current rating, and then match the combination with appropriate coil design, core material, and winding parameters.

The operation of a PL10107 is largely determined by its series resonance-frequency. When the frequency of the applied current is equal to the resonance frequency, the voltage across the inductor will be at a maximum. If the frequency of the applied current is much higher than the resonance frequency, the impedance of the inductor will be low, resulting in a relatively small voltage drop across it. Conversely, at a frequency much lower than the resonance frequency, the impedance of the inductor will be high, resulting in a relatively large voltage drop.

Conclusion

The PL10107 fixed inductor is a versatile electrical device used in many different industries. It works by storing energy in the form of a magnetic field when electric current passes through it, and releasing that energy back into the circuit once the current stops, in accordance with Faraday’s Law of Electromagnetic Induction. The operation of a PL10107 is largely determined by its series resonance frequency, at which the voltage across the inductor is at maximum.

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