USR4-4020

USR UNR 4-4020 • Nearly Temperature Independent • Minimum Tolerance • Low Capacity and Inductance • Customized Resistor Values • Highest Stability SPECIFICATIONS ELEKTRICAL Resistance Range : USR 4-4020 UNR 4-4020 note1) Power Rating : 0R05 ... 500R 0R05 ... 500R other resistance values upon request / power rating depending on resistor value 2.5 W (70°C) without heatsink 30 W* 50 W* * with heatsink 3.6 K/W 2.2 K/W Thermal Resistance Rthj-c : Tolerances from 0R05 from 10R from 50R Stability : : : : : 0.1%, 0.25%, 0.5%, 1% 0.05%, 0.1%, 0.25%, 0.5%, 1% 0.01%, 0.02%, 0.05%, 0.1%, 0.25%, 0.5%, 1% 0.01% max. ±5 ppm/K (-55...155)°C typ. ±3 ppm/K (-55...125)°C upon request ±1 ppm/K (0...60)°C 750 VDC 15 A