ELJ-FA4R7KF Inductors, Coils, Chokes

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Fixed inductors are electronic components found in a variety of electrical circuits and devices. They consist of an inductive coil of wire wrapped around a core material, usually ferromagnetic. They are used to store a specific amount of electrical energy or to create a magnetic field. In some cases, they may be used to “trap” current to prevent it from flowing. The ELJ-FA4R7KF is an example of a fixed inductor.

The ELJ-FA4R7KF is designed for use in a wide range of applications, including telecommunications, medical, industrial, automotive, and consumer electronics. Due to its small size and low profile, the ELJ-FA4R7KF can be mounted on a PC board or inside a chassis. It has high SRF characteristics and offers higher inductance than similar devices.

The ELJ-FA4R7KF consists of a ferrite core wound with an inductor coil. The ferrite core is a magnetic material that serves as the inductor’s magnetic field source, allowing it to store energy and create electrical fields. The coil is wound around the core and connected to terminals, allowing the current to enter and leave the inductor.

The ELJ-FA4R7KF’s operation is based on electromagnetism, the phenomenon that occurs when electric current passes through a conductor. When current passes through the coil of an inductor, it creates a magnetic field around the core. This field stores energy and induces a voltage in the coil. This induced voltage acts in opposition to the applied voltage, creating a resistive effect that limits the amount of current allowed to pass through the inductor.

The ELJ-FA4R7KF is also equipped with an air core, which is a hollow cylinder of non-magnetic material placed over the core of the inductor. The air core increases the inductor’s self-resonant frequency, which is the frequency at which the inductor will begin to respond to an alternating current.

The ELJ-FA4R7KF is suitable for use in a variety of applications, such as LED lighting, Bluetooth devices, AM/FM radio, and motor control systems. Its small size and low profile make it easy to install in devices where space is limited. Its excellent SRF characteristics help reduce interference and provide reliable performance. Additionally, its high inductance makes it capable of handling large currents.

The ELJ-FA4R7KF is an excellent choice for applications that require a reliable, compact, and efficient fixed inductor. Its design offers superior performance for a wide range of applications, making it an ideal solution for designers in search of an affordable and effective inductor.

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