4922-13K

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Fixed Inductors

Fixed Inductors come in a range of styles and sizes, but are typically classified as either air core, ferromagnetic core, or ferrite core designs. The most common type of fixed inductor is the 4922-13K Inductor. This type of inductor is a non-polarized, surface mounted, high-frequency device designed for a variety of applications. To understand how fixed inductors operate, it is important to first review the basic principles of inductance.

Principles of Inductance

At its core, the principal of an inductor is quite simple. No matter what type of inductor is being used, the fundamental operation is the same. All inductors create a self-induced electrical current within a wire by passing a varying electrical current through a coil of wire, thus creating an electromagnetic field.

The amount of self-induction produced is determined by the parameters of the circuit in which it is inserted, including the size of the inductor, the size of the wire wound around it, the amount of current flowing through the coil, and the direction of travel of the current. Inductors can be utilized in AC and DC electrical circuits with similar operation, though the inductive reactance will be higher in AC circuits and lower in DC circuits due to the frequency of the current.

The Working Principle of the 4922-13K

The 4922-13K is designed to maximize the inductance offered in a compact size. It is composed of a 25.4mm (1 inch) diameter cylindrical core wound with a premagnetized high-permeability core material. The core consists of a carbon steel-manganese alloy in order to increase inductance, while also reducing core losses.

The 4922-13K is designed with the same principles as any other inductor, however its unique composition and size make it suitable for use in higher frequency circuits. As current passes through the coil, it creates an electromagnetic field which is used to counter the momentum of the electrons. This effectively restricts the flow of current, resulting in a decrease in flux.

This type of inductor is typically used in a variety of high-frequency applications, including radio and television broadcast, audio equipment, and cellular phones. It is popular due to its relatively low cost, compact size, and ease of use. While it is not as efficient as other types of inductors, it is optimal for many applications due to its high-frequency capabilities.

Conclusion

The 4922-13K Fixed Inductor is a highly efficient and cost-effective solution for many high frequency applications. Its high-permeability core material and surface mounted design makes it a popular choice for a variety of applications, while its compact size minimizes the space required for installation. It is a reliable component which is easily integrated into most standard surface mount circuits.

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