1.5kΩ to 15kΩ, 0.1% 10ppm The RN73 series of high precision resistors from Tyco Electronics offers different power dissipations according to chip size, TCR's down to 5ppm/°C and resistance tolerances to 0.01%. It consists of three sputtered layers based on nichrome thin-film technology giving stable high-frequency performance and with accurate and uniform physical dimensions it facilitates automatic placement.