IRF03ST2R2K

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Fixed inductors can be defined as inductors that have a preset inductance. In other words, the strength of the inductor does not change with frequency or applied current. Instead, the inductance of a fixed inductor is determined solely by its physical construction.

The IRF03ST2R2K is one such fixed inductor. This product is a thin-film chip inductor that is a member of Vishay’s tin-plated power inductor family. This low-profile product features an embedded core structure, allowing for improved power dissipation in comparison to other inductors with largely the same surface area.

Applications for the IRF03ST2R2K include power safely bridges and power factor correction. It is also frequently used in cell phone chargers, computer power supplies, industrial equipment, and other electronic appliances. Furthermore, it is compatible with common circuit board assembly processes and known to provide rigorous resistance to physical and environmental stress.

The IRF03ST2R2K operates on a wide range of current and voltage. This inductor handles currents up to 2.2 A (r.m.s) and voltage up to 35 V under the normal temperature range of -25 °C to 125 °C. It is also manufactured to extremely high quality standards of Vishay, meaning a maximum resistance of 0.80 ±10% and inductance of 3.0 ±20%.

To understand the working principle of the IRF03ST2R2K, one must first understand the behavior of an inductor. This is because an inductor introduces a phase shift by reacting to any change in the current through it. Furthermore, an inductor creates an electromagnetic field built from its coil to oppose any current induced by the presence of a changing voltage. As a result, the current going through an inductor is not continuous – instead, it can be thought of as being composed of two variable quantities: voltage and current.

What’s more, this inductor is designed to externally create its magnetic field. As a result, the inductance of an IRF03ST2R2K is determined by its size, shape, and construction material. This is why the physical construction of an inductor is so important; it will determine its inductance and current handling capabilities.

The IRF03ST2R2K is an example of a fixed inductor. Its inductance remains constant, and its current tolerance is designed to handle a wide range of electrical loads. Furthermore, the IRF03ST2R2K allows for superior power dissipation due to its high quality construction and embedded core structure.

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