Flat Chip Resistors suit high power applications.
July 13, 2007 -
With wide terminal construction, Series WK73 features optimized thermal shock characteristics and solder joint reliability. Resistance range is 22 mW to 1 MW and TCRs are ±100, ±200, ±300, and ±800 ppm/°C. RoHS compliant units provide tolerances of ±1% and ±5% with power ratings of 1.0 and 1.5 W at 70°C. Offering current sensing, resistors are suited for automotive electronics, anti-locking braking systems, and air bag systems.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
KOA Speer Electronics Inc.
Bolivar Dr., P.O. Box 547
Bradford, PA, 16701
USA
New WK73 Wide Terminal Resistor Ideal for High Power Applications
Bradford, PA - July 12, 2007 - KOA Speer Electronics introduces the WK73 wide terminal flat chip resistor providing high reliability and performance. This new flat chip resistor features higher power ratings as a result of its enhanced heat dissipation, as demonstrated by the WK73S3A type (1225 size) with a 1.5W rating vs. KOA Speer's RK73B3A type (2512 size) with a 1W rating. The WK73 offers current sensing for power supply circuits, which makes it ideal for automotive electronics, ECU's, anti-locking braking systems and air bag systems.
Its wide terminal construction gives the WK73 resistor superior thermal shock characteristics and high solder joint reliability. The resistance range of the WK73 is 22mW ~ 1MW and the T.C.R. is ±100, ±200, ±300, & ±800ppm/°C. The available tolerances are ±1% & ±5% with a high power rating of 1.0W & 1.5W @ 70°C. This wide terminal flat chip resistor sizes include 1020, 1218 & 1225 and it is RoHS Compliant.
Typical lead time is 10 weeks, packaging: 4,000 pcs/7" embossed plastic with small quantity pricing at $0.50 each. Samples and sample kits are available upon request.
KOA Speer Electronics is an ISO 9000:2000 and TS 16949 certified company that has been serving the electronics industry since 1980. An affiliate of KOA Corporation of Japan, KOA Speer is a leading supplier of surface mount products including resistors, resistor networks, circuit protection components, inductors, capacitors, integrated components and EMI/EMC filtering components. Leaded products including resistors, capacitors, and networks are also available. KOA Speer primary end markets in North America include automotive, telecommunications, computer, and instrumentation.
For more information, contact Dawn McGriff, KOA Speer Electronics, Inc., Bolivar Drive, P.O. BOX 547, Bradford, PA, 16701. Phone: 814-362-5536, ext. 266. Fax: 814-362-8883. Web site: www.koaspeer.com.
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