KPR 2-T218 • Thick Film Resistor • Power Rating from to 50 W • For High Impulses • Very Good as Heatingelement SPECIFICATIONS ELECTRICAL Resistance Range : 0R1 ... 100k Power Rating : 2 W (70°C) 50 W with heatsink Thermal Resistance Rthj-c : 2.1 K/W Tolerances from 0R1 from 1R0 from 5R0 : Stability : 1% Temperatur Coefficient : ±100 ppm/K 5% 2% 1% Max. Voltage m ax. w orking voltage (V) 10000 1000 100 10 1 10 Ohm 100 Ohm Voltage Proof 1 kOhm : 5 kOhm 10 kOhm 100 kOhm 2.5 kVDC ENVIRONMENTAL Operative Temperature Range : MECHANICAL Resistor Material Substrate Housing Connector Material Max Torque backplate : : : : : -55°C ... 155°C Thick Film Al2O3 (upon request: AlN) PPS Cu tinned, 2-pin 1 Nm Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail [email protected] web www.willow.co.uk KPR 2-T218 TEMPERATURE COEFFICIENT 100 ppm/K 15000 dR/R (ppm ) 10000 50 ppm/K 5000 0 -5000 -10000 -50 -25 0 25 50 75 100 125 150 175 Tem perature (°C) DERATING CURVE Power ( % from nominal power) 120 100 80 60 40 20 0 25 50 85 100 115 130 145 155 Temperature of the backplate (°C) DIMENSIONS measuring point Dimensions in mm HOW TO ORDER KPR 2-T218 10K A 5% Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail [email protected] web www.willow.co.uk