3094-222FS

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Fixed inductors, which are also called fixed coils, play an important role in many electronics projects, from low-frequency power circuits in televisions and other consumer electronics, to high-frequency antennas in cellular phones and other communication equipment. The 3094-222FS Fixed inductor is one of the most popular in this category. It is often used to provide both power and signal noise attenuation in many types of applications.

The 3094-222FS Fixed inductor has a radial leaded bobbin comprising an enclosure, a core and two wire-formed windings. The core is a ferrite element which acts as a channel for the electric current, allowing for greater power delivery to the circuited equipment. The windings are composed of copper wires which are insulated with polyurethane to create a low-resistance path for the current.

The 3094-222FS is most commonly used in stabilizing DC power supplies, automotive equipment, DC to DC converters, regulated power supplies, switching regulators, inverters, and in SCR and PWM drives, as well as telecommunications and computer-based systems. It also provides not only power noise attenuation, but also signal noise attenuation (usually to reduce EMI/RFI).

In particular, the 3094-222FS Fixed inductor is comprised of a radial leaded bobbin using two different core styles, a magnetic-laminate core or an iron-powder core, and has two terminals in the unit. The iron-powder core is beneficial mainly because it has a high saturability and reduces the power loss of the inductor at high currents, due to its core material having only a small effect on the current density. This adaptability makes the 3094-222FS Fixed inductor a suitable unit for a variety of applications.

The working principle employed in this inductor is a relatively simple one. The induced voltage occurs whenever a time-varying current passes through the component. This voltage acts as a counter-EMF, opposing the impressed current, thus preventing it from increasing. This reaction produces an inductive reactance, X L , which is determined by the applied voltage, V L , and the inductance value of the component, L. This inductance is a measure of how an inductor can oppose a change of current.

By understanding the equation for inductance, L = N2A/l, it is possible to accurately predict how an inductor will react based on the number of turns, N, the cross-sectional area of the core, A, and its mean magnetic path, l. The 3094-222FS Fixed inductor satisfies each of these requirements and provides a reliable energy flow, making it an ideal component for a range of applications that require steady-state current.

In summary, the 3094-222FS Fixed inductor is an excellent choice for providing power noise attenuation, as well as signal noise reduction, in various applications. The unit is capable of delivering a steady current due to its enclosed core, copper wires and polyurethane insulation material, as well as its iron-powder core which reduces losses at higher current levels. The inductor is ideal for use in DC power supplies, automotive systems, DC to DC converters, regulated power supplies, inverters, switching regulators, SCR and PWM drives, telecommunications and many computer-based systems.

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