S1008-121F

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Fixed inductors refer to a type of passive electronic component whose inductance remains unchanged with applied frequency. The S1008-121F is a small size shielded fixed inductor, with an inductance of 100nH +/- 30% and a rated current of 2A, suitable for SMT process. The main application fields and working principle of S1008-121F are explained below.

Application Field of S1008-121F

Mostly used for signal and power line filtering and conditioning in high-frequency switching power supplies, the S1008-121F inductor is also competent for DC-DC converters, motor drives, and electromechanical motor drives in automobiles. It can also be integrated into other inductor-based systems for AC line filter circuits, RF filters, and broadband antennas. Moreover, it can be effectively used in automatic test equipment, various portable electronics, and other applications where size and weight are major considerations.

Working Principle of S1008-121F

The S1008-121F inductor essentially works in the same way as an inductor operated in an AC circuit. When conductors such as those in the inductor are exposed to an AC magnetic field, the conductors\' magnetic flux lines tend to pull and push on each other, creating an electrical field around the conductor. This induced electric field is responsible for generating the induced current in the coil, thereby preventing the formation of a standing wave. The high-frequency switching power supplies benefit from this induced current, where it helps to reduce the circulating current and improve the overall system\'s efficiency.

The S1008-121F features a shielded design resulting in an internal metal casing covering the core and windings, which works to prevent electrical noise caused by unwanted voltage or current transients. The shielding also helps reduce the effects of external electromagnetic fields on the inductor, reducing the amount of electromagnetic interference (EMI) emitted by the inductor. Additionally, the inductor\'s core is made from high-quality ferrite material, with a section of conductor passing through it, resulting in a higher inductance value. This allows the inductor to function with high current and high accuracy.

Conclusion

The S1008-121F inductor is a high-performance fixed inductor suitable for a wide variety of applications. It features an inductance of 100nH +/- 30%, a rated current of 2A, and a shielded design for reducing EMI and improving efficiency. With its small size and energy efficiency, the S1008-121F is a great choice for use in signal and power line filtering, DC-DC converters, motor drives, and more.

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