Product category: EMC Components
News Release from: BI Technologies Magnetic Components Division | Subject: HM69 Series
Edited by the Electronicstalk Editorial Team on 28 March 2006
High power shielded
inductors cut their losses
Low-profile inductors combine single-turn construction and proprietary ferrite core material to provide lower losses than other powdered iron designs
Providing design engineers with an ideal component for applications where power efficiency is critical, TT electronics BI Technologies Magnetic Components Division recently developed a series of high power shielded inductors with profiles as low as 3mm. Designated the HM69 Series, the inductors are designed to operate at frequencies up to 5MHz, with current ratings up to 70A.
This article was originally published on Electronicstalk on 28 March 2006 at 8.00am (UK)
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According to David Smolik, Director of Product Development for the TT electronics BI Technologies Magnetic Components Division, the inductors present lower losses than comparable designs thanks to their construction.
'As power density levels in convertors increase, low winding resistance and low core material losses are critical', said Smolik.
'The HM69 Series inductors, with their single turn construction and proprietary ferrite core material, exhibit lower losses than other powdered iron designs'.
'The high power, low profile inductors are ideal for the growing market of the intermediate power bus architecture for blade servers', Smolik continued.
The devices are also suitable for other computer and networking applications, including high frequency, high current switching power supplies, point-of-load devices and multi-phase voltage regulator modules.
The HM69 Series inductors feature ten case sizes with an inductance range of 25 to 300nH at 100kHz, typical DC resistance from 0.17 to 0.45mohm at 25C, and rated current from 18 to 70A DC.
Operating temperature ranges from -40 to +125C, with a maximum ambient temperature of +85C.
The inductors feature class F 155C insulation and are RoHS compliant.
Typical pricing for the HM69 Series inductors is about $0.40 to $0.80, depending on size and quantity.
Lead time is from stock to 8 to 10 weeks.
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