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Terminal Resistor Invades High-Power Apps

The WK73 wide terminal flat chip resistor features higher power ratings as a result of its enhanced heat dissipation qualities. In a 1225-size package, the WK73S3A specifies a 1.5W power rating, making it suitable for automotive electronics, ECU’s, anti-locking braking, and air bag systems. Its wide terminal construction boosts thermal-shock characteristics and high solder-joint reliability. Resistance values range from 22 mW to 1 MW and TCRs are ±100, ±200, ±300, and ±800 ppm/°C. Available tolerances are ±1% and ±5% with power ratings of 1W and 1.5W at 70°C. Sizes include 1020, 1218, and 1225. Small-quantity pricing is $0.50 each. KOA SPEER ELECTRONICS INC., Bradford, PA. (814) 362-5536.


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