4908-S

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Adjustable inductors are electrical components used to control magnetic fields around electrical circuits. The 4908-S adjustable inductor is a specialized product from the company Coilcraft. It has many potential applications, as well as a unique working principle.

The 4908-S can be used in a wide variety of applications. It is typically used in applications where a large amount of power handling is needed, such as in power supplies, communications systems, motor drives and other power electronic applications. It is also useful for providing low-inductance shunt or series resistance in RF applications, such as in antenna tuning or in matching circuits for receivers. Because of its high power and flexibility, it is frequently used in the industrial sector in applications such as automatic machinery, drive controllers and UPS power supplies.

The working principle of the 4908-S can be explained by its design. It consists of a ferrite core and two concentric windings of wire. The two windings of wire are in isolation from each other and are supplied with independent power sources. When a voltage is applied to one of the windings, it produces an alternating magnetic field which induces a current into the other winding. The amount of current induced is dependent on the strength of the magnetic field and can be adjusted by changing the amount of voltage applied to the windings. This in turn adjusts the inductance of the 4908-S. The inductance is adjustable from 0.5uH to 10uH.

Because of its adjustable inductance, the 4908-S is useful in many applications. Its ability to handle large amounts of power make it ideal for industry, while its ability to be adjusted makes it useful for RF applications. As a result, the 4908-S adjustable inductor is a versatile component that can be used in many different contexts.

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