NPR 2-T220/T221 NPS 2-T220 • • • • • • High Power Rating Small Dimensions Easy to use Low Inductance TO220-Housing SMD Version available SPECIFICATIONS ELECTRICAL Resistor Range : 0R02 ... 100K Power Rating : 1.5 W (70°C) 30 W with heatsink Tolerances from 0R02 from 1R0 Thermal Resistance Rthj-c Stability Temperatur Coefficient 0R02...0R049 0R05...0R099 0R1...100K : : : : : : Voltage Proof : 2%, 5% 1%, 2%, 5% 3.5 K/W 0.5% ±600 ppm/K ±300 ppm/K ±100 ppm/K ±50 ppm/K upon request 2.0 kVDC Max. Voltage m ax. w orking voltage (V) 10000 1000 100 10 1 2 Ohm 10 Ohm 100 Ohm 1 kOhm 5 kOhm 10 kOhm 100 kOhm ENVIRONMENTAL Operating Temperature Range : -40°C...155°C : : : : : Thick Film Al2O3 Epoxy or PPS Cu tinned 1 Nm / T221: 0.8 Nm MECHANICAL Resistor Material Substrate Housing Connector Material Max. Torque backplate 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 NPR 2-T220/T221 NPS 2-T220 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 NPR 2-T220 NPR2-T220X upon request possible (Version with longer leads) 25W with heatsink NPR 2-T221 NPS 2-T220 Dimensions in mm HOW TO ORDER NPR 2-T220 22K 1% 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