ER1641-753JS

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Fixed inductors are electrical components used to store energy in an electric field. As their name implies, they are fixed in physical orientation and size, so they are also referred to as non-dynamic components. The ER1641-753JS is a fixed inductor with a 7.5 mH inductance, a ±20% tolerance, and a 1500 VDC operating voltage. The operating temperature range is -55 °C to +125 °C.

The ER1641-753JS is designed for use in applications such as AC line-powered motor controls, rectifiers, and industrial lighting. It is typically used to supply energy to load circuits when resistive-capacitive (RC) and resistive-inductive (RL) loads are encountered, therefore enabling power conversion between rectification and regulation. In these applications, the capacitor and the inductor operate in parallel to reduce the total relative power dissipation. Building circuits with this fixed inductor can lead to lower initial costs, higher efficiency, and improved reliability.

The working principle of the ER1641-753JS is based on the principle of electromagnetic induction, which states that an electric current can be induced in a circuit by changes in the magnetic flux passing through it. In other words, a changing magnetic field around a conductor induces an electric current in the conductor. The ER1641-753JS is an inductor that stores energy in the form of magnetic field and then releases it back when the electric flux changes. An alternating current flows through the device, and the reactive power in the current generates a magnetic field that stores energy.

The ER1641-753JS is classified as a non-dynamic fixed inductor due to its consistent physical attributes. Its size and orientation are not adjustable. It is typically mounted on a printed circuit board (PCB), and extended magnetic fields may cause interference with other components in the circuit, if not properly shielded. The device requires an inrush current limitation to limit the initial current it draws. The ER1641-753JS is available in a variety of sizes and can be tailored to meet specific design requirements.

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