B78148S1393J000

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Introduction

Fixed inductors, also known as inductors, are passive, two-terminal electrical components used to store energy in the form of a magnetic field. They are primarily used in alternating current (AC) circuits to oppose changes in current flow.

Applications

The B78148S1393J000 fixed inductor is applied primarily for generating magnetic fields and for coupling from one circuit to another, particularly for radio-frequency applications. They are used in power supplies, buffering, amplifying, and signal transduction circuits, as well as in medical applications and low-voltage DC (direct current) to high-frequency alternating current converters.

In power circuits, they function by limiting the flow of capacitor currents between power supplies and on-board circuitry, allowing for the most effective utilization of energy.

Fixed inductors are also used in high-speed switching circuits. High-speed switching circuits need to be able to receive and transfer high-frequency signals quickly with minimum loss. The B78148S1393J000 is well-suited for this application since its low inductance enables it to switch on and off rapidly.

Working Principle

Fixed inductors work on the principle of induction, as outlined by Faraday’s Law of Induction. According to Faraday’s Law, a magnetic field induced in a coil produces an electromotive force (EMF) induced in the coil, and the magnitude of the EMF is related to the rate of change in the magnetic flux.

When an alternating current passes through a coil, a magnetic field is created around that coil. This field induces an EMF in the coil, which opposes the current flow, thus introducing resistance and slowing down the flow of current through the coil.

The resistive nature of the fixed inductor is useful in regulating or limiting current flow in AC circuits. The fixed inductor helps to maintain a constant voltage level, dissipate excess energy in the circuit, and reduce damaging EMF spikes.

Conclusion

Fixed inductors, such as the B78148S1393J000, are a critical component in a variety of electronic applications. By using induction, they can limit and regulate current flow in AC circuits, eliminating dangerous voltage spikes and protecting sensitive on-board components.

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