3090R-681H

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Fixed Inductors

A fixed inductor is an electrical component whose task it is to store magnetic energy and to induce a current in an electric circuit. It is made up of a shapely core with conductive windings around it. The windings create a magnetic field inside of the core and the magnetic flux produces a voltage. A fixed inductor is used in many types of electronic devices, such as laptop power supplies, headphone amplifiers, and guitar effects.

3090R-681H application field and working principle

The 3090R-681H fixed inductor is a monolithic medium frequency inductor, with a rated current of 40 amps and a dc resistance of 0.05 ohms. It is designed for use in power conversion and DC-DC converters with high efficiency levels. It can also be used in power amplification and power supply applications. The 3090R-681H is constructed using a magnetic core, copper windings, and an epoxy resin casting. It is designed to enable safe and reliable operation in high temperature and high frequency environments.

The working principle of 3090R-681H is based on the Faraday’s law of electromagnetic induction. When an electric current is passed through the windings of the inductor, a magnetic field is created within the inductor. This magnetic field changes in strength with the changing current. The changing magnetic field induces an electromotive force in the windings, which is proportional to the rate of change of the magnetic field. This electromotive force creates a voltage in the windings and an electrical current. The direction of the induced current is such that the magnetic field opposes the change in current. This opposing magnetic field creates a self-sustaining current that flows in the inductor.

The 3090R-681H fixed inductor is a reliable and cost effective device, suitable for a wide range of power electronics applications. It is designed to ensure high efficiency power conversion, with low losses, high thermal capability, and high frequency operation. It is suitable for applications such as solar energy systems, wind energy systems, and electric vehicle power systems.

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