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Shielded Power Inductors Feature Low DCR with Flat Wire

Dec. 9, 2024
Bourns’ latest series of low-profile shielded power inductors feature flat wire windings that deliver improved efficiency and a smaller form factor.

Nine members are included in Bourns' Model SRP-F Series off shielded power inductors. They feature low DCR with flat wire construction in a small, low-profile (0.7 to 1.0 mm) form factor. The flat-wire construction improves the efficiency of these new power inductors by significantly reducing DCR compared to other similarly sized power-inductor devices that use conventional wire.

The models in the SRP-F Series are designed with a metal alloy powder core, flat-wire technology, and advanced molding technology to achieve a higher saturation current and heating current level with low radiation in a small form factor. The series delivers a low buzz noise solution with an inductance range of 0.3 to 10 µH and an operating temperature range of –40 to +125°C.

Such features are required in a growing variety of space-constrained applications that demand high current, but must also meet lower power consumption goals, such as in consumer, industrial, and telecom application DC-DC converters and power supplies.

The Model SRP-F Shielded Power Inductor Series is available now. For more detailed product information, click here

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About the Author

Lee Goldberg | Contributing Editor

Lee Goldberg is a self-identified “Recovering Engineer,” Maker/Hacker, Green-Tech Maven, Aviator, Gadfly, and Geek Dad. He spent the first 18 years of his career helping design microprocessors, embedded systems, renewable energy applications, and the occasional interplanetary spacecraft. After trading his ‘scope and soldering iron for a keyboard and a second career as a tech journalist, he’s spent the next two decades at several print and online engineering publications.

Lee’s current focus is power electronics, especially the technologies involved with energy efficiency, energy management, and renewable energy. This dovetails with his coverage of sustainable technologies and various environmental and social issues within the engineering community that he began in 1996. Lee also covers 3D printers, open-source hardware, and other Maker/Hacker technologies.

Lee holds a BSEE in Electrical Engineering from Thomas Edison College, and participated in a colloquium on technology, society, and the environment at Goddard College’s Institute for Social Ecology. His book, “Green Electronics/Green Bottom Line - A Commonsense Guide To Environmentally Responsible Engineering and Management,” was published by Newnes Press.

Lee, his wife Catherine, and his daughter Anwyn currently reside in the outskirts of Princeton N.J., where they masquerade as a typical suburban family.

Lee also writes the regular PowerBites series

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