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Fixed Inductors

L-15F3R9JV4E application field and working principle

Fixed Inductors are passive components designed to produce a magnetic field through the passage of electric current. This magnetic field carries a certain amount of energy, usually with the purpose of eliminating radio frequency interference (RFI) as generated by other electronic components. Fixed inductors are typically composed of a coil of some type of conductor, usually wound around a core of ferromagnetic material, such as iron, steel, or other related compounds.

L-15F3R9JV4E is a type of fixed inductor designed for radio frequency interference (RFI) suppression applications. Its design has been improved through multiple stages of development to offer optimal performance. It is a fixed inductor composed of an iron powder core, coated with an outer layer of magnetic rubber or elastomeric plastic to reduce the radiation emission and increase inductance.

The working principle of the L-15F3R9JV4E fixed inductor is fairly simple: when electric current is supplied to the coil, a magnetic field is created whose strength is proportional to the amount of current flowing through it; this magnetic field, in turn, induces a back emf in the coil which opposes the applied current, thus limiting its current flow.

In a broader sense, the working principle of fixed inductors can be seen as a type of electromagnetic induction, which occurs when the magnetic field around a conductor, in this case the coil of the inductor, changes with time. This changing magnetic field then induces an electric current in the conductor, which is proportional to the rate of change of the magnetic field. This current is what is known as the back emf, and it is this which offers the inductive effect.

The application field of such fixed inductors includes RFI suppression in electronic equipment, power transmission lines, signal lines, and more, as well as for forming inductors in circuits such as tuned circuits and oscillators. It is also used as an electromagnetic absorber for suppressing noise, and as a component for radio and radar receivers.

In summary, the L-15F3R9JV4E type of fixed inductor is designed as an interference suppressor and is composed of a ferromagnetic core coated with a rubber or elastomeric layer. Its working principle is based on the phenomenon of electromagnetic induction, which provides it with the inductive effect necessary for its use in RFI suppression, power transmission, and other applications.

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