ELC-18E122

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Fixed inductors, also known as “coils”, are a type of electrical component built with one or more insulated windings of copper wire to store energy in the form of a magnetic field. Common uses of fixed inductors include smoothing and filtering the electrical signal passing through it, creating pulse showers, transforming the voltage level of AC signals, and providing isolation and impedance matching between two circuits. The ELC-18E122 is an example of a fixed inductor, highlighting its typical applications and working principle.

The ELC-18E122 is a small, high quality inductor with a precise electronic tuning. It is intended for use in low frequency (or audio) applications in devices such as radios, sound systems, and other electronic circuits. This inductor comes in a pitch-wide package of 0.8mm with terminals that can easily mate with most board-to-board connectors. Owing to its 6nH inductance value and low DCR rating, the ELC-18E122 is suitable for use in applications that require a high frequency response.

The working principle of a fixed inductor is dependent on Faraday’s Law of Electromagnetic Induction. This law states that when a conductor is placed in a changing magnetic field, a voltage is induced across the conductor proportional to the rate of change of the magnetic field. The ELC-18E122 harnesses this principle, with its windings acting as a conductor, placed in the changing magnetic field produced when current is passed through the winding. This produces a magnetic field, which induces a voltage across the windings.

The inductance of an inductor, such as the ELC-18E122, determines the amount of voltage change that will be induced. The inductance of a fixed inductor is proportional to the number of windings and the core material used. The ELC-18E122 uses an air core material, which has a high permeability, allowing the windings to produce a higher magnetic field. When current is passed through the windings, the resulting magnetic field will induce a voltage across the windings, which can be used for a variety of purposes.

The ELC-18E122 is a great example of a fixed inductor, offering a variety of useful applications for audio and low-frequency applications. Its use of Faraday’s Law of Electromagnetic Induction, combined with its specialized air core material and precisely tuned winding, makes it an excellent choice for designers looking to create a compact and high-performance device.

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