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Low-profile inductor rolls for voltage regulator apps

Posted: 26 Sep 2006 ?? ?Print Version ?Bookmark and Share

Keywords:TT electronics? BI Technologies? HM72A? inductors? SMT inductor?

BI Technologies HM72A series inductors

TT electronics BI Technologies Magnetic Components Division has announced the HM72A series of RoHS-compliant high-power, molded surface mount inductor that provides design engineers a low-profile package for non-isolated voltage regulator designs.

"The pressed powdered iron alloy core construction optimizes current saturation levels while minimizing both AC and DC power losses," said David Smolik, director of product development for TT electronics' BI Technologies Magnetic Components Division. "The core material of the low-profile inductor is capable of controlling power losses as switching frequencies move from 300kHz to 1MHz, reducing the need for larger ferrite core inductors."

The HM72A series inductor is being specified for a variety of power applications, including servers, notebooks, work stations, DC/DC converters and point-of-load modules, as well as distributed power architectures, such as telecom, datacom industrial, and automotive designs.

These devices feature inductance values from 100nH to 33?H, with saturation levels to 80A. Operating temperature range is -40C to 155C, with a maximum temperature rise rating of 50C. BI Technologies will also produce devices outside these specifications to meet customer requirements.

The new inductors are available in three package sizes: 7.23-by-6.8mm, with a height of 3mm; 11.5-by-10.5mm, with height options of 2.5mm and 4mm; and 13.5-by-13mm, in heights of 3.5mm, 5mm and 6.5mm. The molded surface mount inductors are available in standard embossed tape and reel packaging.

Typical pricing for the HM72A series devices is approximately 55 cents to 85 cents each, depending on quantity and size. Lead times are from stock to 10 weeks.

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