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Inductors offer high power density-to-size ratio

Posted: 24 Jul 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Gina Roos? Cooper? Coiltronics SD3110? ferrite core inductors?

Cooper Bussmann Electronic Technologies, a business unit of Cooper Bussmann, expands its line of high power density-to-size ratio inductors with the Coiltronics SD3110 series. These shielded drum, ferrite core inductors with a 3.1-by-3.1-by-1mm footprint are said to offer one of the highest power density-to-size ratios of any surface-mount inductor.

The Coiltronics SD3110 series offers high power output with inductor values ranging from 0.5H at 2.27A to 220H at 0.106A. These inductors target next-generation portable devices such as cellular phones, digital cameras, PDAs and small LCD displays. They may also be used in LED driver and flash circuits, HDDs, backlighting and EL panels.

The company said the ferrite shield reduces EMI effects when compared to unshielded drum core structures. The design is also easier for pick and place machines to recognize and properly orient. Parts are available in tape and reel (4,100 parts per reel) packaging. They are compliant with the EU's RoHS and Waste Electrical and Electronic Equipment (WEEE) directives.

Pricing for the SD3110 is $2.70 in volume. Delivery is two to six weeks.

- Gina Roos

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