UW-3

UW Series Ceramic Wirewound Resistors • • • • • • • Resistances from 0.01 to 91kOhms Tolerance to ±0.01% Low Temperature Coefficient Power Rating to 15Watts All Welded Resistance Element Non-Inductive Windings are Available Flameproof Inorganic Construction SPECIFICATIONS Type UW-2 UW-3 UW-5 UW-10 UW-15 Power Rating W @ 70°C Resistance1 Range 0.01 to 22k 0.01 to 22k 0.01 to 45k 0.01 to 65k 0.01 to 91k ±0.04 [±1.0] 0.700 [17.8] 0.875 [22.2] 0.875 [22.2] 1.875 [48] 1.875 [48] L ±0.04 [±1.0] 0.245 [6.2] 0.312 [7.9] 0.375 [9.5] 0.375 [9.5] 0.500 [12.7] 1 H ±0.04 [±1.0] 0.300 [7.6] 0.375 [9.5] 0.437 [11.1] 0.500 [12.7] 0.625 [15.9] HS ±0.015 [±0.4] 0.255 [6.5] 0.312 [7.9] 0.375 [9.5] 0.375 [9.5] 0.500 [12.7] W ±0.015 [±0.4] 0.032 [0.8] 0.032 [0.8] 0.032 [0.8] 0.040 [1.0] 0.040 [1.0] d2 2 3 5 10 15 2 For non-inductive windings / divide maximum resistance by 2 Lead Diameter: 18 AWG = 0.040” / 20 AWG = 0.032” Ordering Information For Non-Inductive Windings / insert the letter “N” ( i.e. UWN-5 ) Part Number - Resistance - Tolerance - TCR ( If not standard ) Example: UW-5 100 Ohm 1% Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704 Page 139 rev. 03/2006A UW Series Ceramic Wirewound Resistors SPECIFICATIONS (continued) Specification Tolerances Temperature Coefficient Value ±0.01% to ±10% ( 1% Standard ) >10W : ±20ppm/K 1W to10W : ±50ppm/K