UV Series Ceramic Wirewound Resistors • • • • • • • Flameproof Inorganic Construction Resistances from 0.01 to 91kOhms Tolerance to ±0.01% Low Temperature Coefficient Power Rating to 10Watts All Welded Resistance Element Non-Inductive Windings are Available SPECIFICATIONS Type Power Rating W @ 70°C Resistance1 Range H ±0.06 [±1.5] L ±0.04 [±1.0] D ±0.04 [±1.0] W ±0.015 [±0.4] d2 ±0.002 [±0.05] UV-2 2 0.01 to 22k 0.80 [20.3] 0.435 [11.0] 0.275 [7.0] 0.200 [5.1] 0.032 [0.8] UV-3 3 0.01 to 22k 1.00 [25.4] 0.475 [12.1] 0.320 [8.1] 0.200 [5.1] 0.032 [0.8] UV-5 5 0.01 to 45k 1.00 [25.4] 0.520 [13.2] 0.350 [8.9] 0.200 [5.1] 0.032 [0.8] UV-7 7 0.01 to 65k 1.52 [38.7] 0.520 [13.2] 0.380 [9.7] 0.200 [5.1] 0.032 [0.8] UV-10 10 0.01 to 91k 1.38 [35.1] 0.635 [16.1] 0.480 [12.2] 0.300 [7.6] 0.040 [1.0] 1 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. UVN-5 ) Part Description: Part Type - Resistance - Tolerance - TCR ( If not standard ) Example: UV-5 100 Ohm 1% Riedon Inc. 300 Cypress Avenue 06/13 Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704 UV Series Ceramic Wirewound Resistors SPECIFICATIONS (continued) Specification Value Tolerances ±0.01% to ±10% ( 1% Standard ) Temperature Coefficient >10W : ±20ppm/K 1W to10W : ±50ppm/K <1W : Call Factory Temperature Range -55°C to +275°C Dielectric Strength 1500 VAC Construction Centerless ground ceramic core Tinned copper or copperweld leads High temperature / inorganic potting compound All welded terminations Environmental Performance DR Dielectric ±0.2% + 0.05W Load Life ±1% + 0.05W Storage ±0.2% + 0.05W Moisture Resistance ±0.2% + 0.05W Thermal Shock ±0.2% + 0.05W 5X Overload ( 5s ) ±0.2% + 0.05W Shock ±0.1% + 0.05W Vibration ±0.1% + 0.05W (MIL-STD 202) Power Derating Curve 120 Power (%) 100 80 60 40 20 0 0 50 100 150 200 250 300 350 Ambient Temperature (°C) Riedon Inc. 300 Cypress Avenue 06/13 Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704