BI Technologies' Common Mode Chokes Approved for use in Automotive Communication Applications


High temperature surface mount chokes improve signal integrity for CAN-BUS modes.

FULLERTON, CA (March 20, 2006) - Providing automotive design engineers with a compact noise-dampening device designed to filter signals for CAN-BUS applications, TT electronics BI Technologies Magnetic Components Division recently developed a series of surface mount common mode chokes. Designated the HM67 Series, the devices have been approved for use by major automakers in their vehicles bus and communication systems.

"The HM67 family is available in two sizes to fit the needs of automotive designers who are running short of space and still need to filter their CAN-BUS networks," said David Smolik, Director of Product Development for the TT electronics BI Technologies Magnetics Division.

"As bussed communication devices become more prevalent in automotive design, these space saving products will become even more critical to the design engineer."

The four-terminal HM67 Series chokes feature common-mode inductance values from 5.0µH to 4700µH (at 100kHz; 0.1V), with inductance leakage from 0.08µH to 2.80µH. Rated current for the devices ranges from 200mA to 1000mA, with DC resistance values ranging from 5.8mohms to 403mohms. Dielectric withstanding voltage is 300VDC.

Operating temperature range for the HM67 Series chokes is -40°C to +125°C, with a maximum temperature rise rating of 40°C and a maximum ambient temperature of 85°C.

The common mode chokes are available in standard embossed tape and reel packaging. Available in 400- and 2000-unit capacity, a lead-free version is also obtainable for applications requiring RoHS compliance.

Typical pricing for the HM67 Series is approximately $0.59 to $0.75 depending on volume, with delivery from stock to 10 weeks.

For more information about the HM67 Series common mode chokes, contact BI Technologies at sales@bitechnologies.com; by phone at 714-447-2759, by fax at 714-447-2400; by mail at 4200 Bonita Place, Fullerton, CA 92835; or visit www.bitechnologies.com.

BI Technologies has been an innovator and leader in electronic components for more than 50 years. The company is a global manufacturer of trimming and precision potentiometers, position sensors, turns-counting dials, chip resistor arrays, resistor networks, integrated passive networks, transformers, inductors, hybrid microelectronics and custom integration products for communication, computer, industrial, and automotive applications.

BI Technologies serves a global customer base with manufacturing locations in the United States, Mexico, Scotland, Japan, China and Malaysia.

TT electronics plc is a global electronics company manufacturing a broad range of advanced electronic components, assemblies and sensor modules for the automotive, industrial, telecommunication, computer and aerospace markets.

For more information, contact:
David Smolik, Director of Product Development
BI Technologies, Magnetic Components Division
714-447-2759
davidsmolik@bitechnologies.com

Beth Polizzotto
BtB Marketing Communications
919-872-8172
bpolizzotto@btbmarketing.com

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