ELC-12E271L

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• Fixed Inductors
  • ELC-12E271L application field and working principle

    The ELC-12E271L range of Fixed Inductors from Cooper Bussmann are wound inductors suitable for multiple applications and DC/DC converters. The inductance range of these fixed inductors is from 1.0 μH to 270 μH and they feature inductance stability of 10 ppm maximum. The ELC-12E271L range of inductors offer resistance to thermal shock and mechanical shock of up to 20 g or 1000 g respectively.

    The ELC-12E271L range of fixed inductors features a design type of axial lead inductor with flat side walls and a printed identification code on the side walls of the body. This identification code consists of the manufacture’s part number, the date of manufacture and the size of the inductor. Furthermore, these inductors also includes a marking scheme whereby the number assigned is the value of the inductance in micro-henries (mH).

    The working principle of the ELC-12E271L range of fixed inductors is based on Faraday\'s law of induction. Faraday\'s law states that when a conductor, or coil of wire, is placed in a changing magnetic field, an electromotive force (EMF) is induced in the conductor. The induced EMF is proportional to the rate of change of the magnetic field, and inversely proportional to the number of turns in the coil.

    As current flows through the inductor it produces a magnetic field that opposes the change of the current thereby creating a counter EMF. The counter EMF is proportional to the rate of change of the current. As the rate of change of the current increases, the counter EMF increases, thereby reducing the current flowing through the inductor. This phenomenon is known as inductive reactance.

    The ELC-12E271L range of inductors are designed to maintain a low DC resistance to ensure their use in a wide variety of applications, such as for the generation of magnetic fields, the filtering of high-frequency signals, for the protection of semiconductor devices from damage and for the operation of electric motors.

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