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KOA Speer Electronics introduces the WK73 wide terminal flat chip resistor providing high reliability and performance. This 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 1.5 W rating vs. KOA Speer’s RK73B3A type (2512 size) with a 1 W rating. The WK73 offers current sensing for power supply circuits, which makes it appropriate for automotive electronics, ECUs, anti-lock braking systems and air bag systems. Its wide terminal construction gives the WK73 resistor impressive thermal shock characteristics and high solder joint reliability. The resistance range of the WK73 is 22 mW ~ 1 MW and the T.C.R. is 𫏌-, 𫐰-, 𫒔- and 𫚈- ppm/°C. The available tolerances are ۫% and ۯ% with a high power rating of 1.0 W and 1.5 W at 70°C. Available sizes for this RoHS compliant, wide terminal flat chip resistor include 1020, 1218 & 1225.

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KOA Speer Electronics
http://www.koaspeer.com