ELJ-QF2N7DF Inductors, Coils, Chokes

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ELJ-QF2N7DF Fixed inductors are inductive components used in a variety of electronic circuits, such as power supplies and switch-mode power supplies. The inductor type ELJ-QF2N7DF is a non-polarized surface-mount inductor, specifically designed for use in high current applications. Its unique construction enables it to have high inductance per unit volume while maintaining excellent high current characteristics.

The ELJ-QF2N7DF inductor is constructed with ferrite-alloyed cores, silver-plated copper wires and a carefully designed winding structure. This design provides optimum performance over a wide range of operating frequencies and current levels. The inductor is designed with a very low inter-winding capacitance, resulting in an extremely low loss factor. This feature ensures that the inductor is capable of providing high quality performance in ampifier, converter and other switching applications.

The wide range of inductance values and inductor core sizes available for the ELJ-QF2N7DF allows for a wide range of applications. It is suitable for audio equipment, D/A converters, speed controllers, and motor controllers, as well as many other power management and analog applications. For example, it can be used as an inductor in a buck, boost or other DC to DC converter or in an attenuator circuit involving high current levels.

The working principle of ELJ-QF2N7DF inductors is based on the fundamental law of electromagnetic induction which states that the induced voltage is proportional to the rate of change of the magnetic field. When a current flows through a coil, it produces an electromagnetic field which induces a voltage in a nearby coil. This induced voltage is in opposition to the original current and is referred to as the back EMF, or counter-electromotive force. This counter-electromotive force then opposes the original current flow, creating an inductive reactance, or resistance to current flow. By changing the windings and core material of an inductor, its inductance value can be tuned to the desired specifications.

ELJ-QF2N7DF fixed inductors are a reliable and cost-effective component for high current applications. Its unique construction and design enable it to deliver excellent performance over a wide range of frequencies and current levels. Whether used as an inductor in a power supply, as an audio component or as part of a speed or motor controller, the ELJ-QF2N7DF fixed inductor is a reliable and cost-effective component for a variety of applications.

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