B82476B1473M100 Inductors, Coils, Chokes

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Fixed inductors are installed on printed circuit boards in various electronic devices. They are composed of an insulated core, called an inductor, as well as two windings. The windings are typically made of copper and are insulated in order to maintain low electrical resistance. Under the electrical current, a magnetic field is generated and interactions between the inductor and the winding turns, currents, and voltages, create a self-regulating system. This is what is described as an inductor.

The B82476B1473M100 Fixed Inductor is a high-reliability, surface mount component. With its particularly robust construction, the device is suitable for use in safety equipment applications. The main feature of the component is its low and stable DC resistance, providing excellent current saturation performance even at high temperatures. As a result, it is ideal for use in highly efficient, power-controlled switch-mode power supplies.

The working principle of the B82476B1473M100 Fixed Inductor is similar to other inductors. It works on the basis of Faraday’s law of induction. When an alternating current (AC) flows through the inductor, the changing magnetic field induces a current in the inductor. This produces a voltage that is opposite in polarity to the applied voltage, and opposes the applied DC current. Therefore, the inductor “resists” the changes of the current. The inductance, or the opposition to the changes of the current, is measured in units of Henry (H).

The applications of the B82476B1473M100 Fixed Inductor include, but are not limited to, power supply circuits, DC-DC converters and line filters. In switch-mode power supplies, it is commonly used to suppress the high frequency voltage spikes caused by the switching operations of transistors. It also functions as line filters which are effective in the elimination of interference signals. In DC-DC converters and AC-DC converters, it is employed for buffering the output currents.

The B82476B1473M100 Fixed Inductor is designed with a tin-plated copper construction, and is soldered in place with standard equipment. It has a maximum inductance of 4.7 µH, an inductance tolerance of ±10%, and a rated current of 1.15 Amps (±20%). With its reliable performance and efficient operation, it is highly suited for use in industrial and commercial applications.

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