UB5C-3RF1

UB Series Miniature Silicone Coated Power Resistors • • • • • • • • • • High Power Rating in a Small Package Excellent Pulse Handling High Temperature: -55°C to +250°C Resistances from 0.02 to 260kOhms Power Rating 1 to 15Watts Resistance Tolerances to ± 0.01% Low TCR: ± 20ppm/K Standard MIL-R-26 / MIL-R-39007 Power Ratings Non-Inductive Windings Available Flame resistant coating SPECIFICATIONS Wattage Rating ( Watts ) Maximum Ohms 2 UB-1 1 UB-2 Type Dimensions A B3 C1 Maximum Working Voltage MIL-R-26 / MIL-R-39007 Style ±0.062” [±1.6mm] ±0.031” [±0.8mm] ±0.002” [±0.05mm] 3.4k 0.250 [6.4] 0.085 [2.2] 0.020 [0.5] 0.025 [0.6] 33 RW-81 RWR-81 1.5 7.5k 0.312 [7.9] 0.078 [2.0] 0.020 [0.5] 0.025 [0.6] 42 RWR-82 UB-3 2 10k 0.406 [10.3] 0.094 [2.4] 0.025 [0.6] 0.020 [0.5] 80 RW-80 RWR-80 UB-3C 3 12.5k 0.350 [8.9] 0.156 [4.0] 0.032 [0.8] 135 UB-5 4 25k 0.560 [14.2] 0.187 [4.7] 0.032 [0.8] 162 UB-5C 5 32k 0.500 [12.7] 0.250 [6.4] 0.040 [1.0] 194 UB-6 6 50k 0.625 [15.9] 0.250 [6.4] 0.040 [1.0] 258 UB-10 7 95k 0.875 [22.2] 0.312 [7.9] 0.040 [1.0] 425 UB-12 10 150k 1.220 [31.0] 0.312 [7.9] 0.040 [1.0] 607 UB-15 15 260k 1.780 [45.2] 0.375 [9.5] 0.040 [1.0] 1050 RW-84 Lead Diameter: 18 AWG = 0.040” / 20 AWG = 0.032” / 22 AWG = 0.025” / 24 AWG = 0.020” Where more than one lead is listed / the top value is Standard 2 For non-inductive windings / divide maximum resistance by 2 3 For non-inductive winding where R ≤ 0.10 Ohms, Tolerance is +0.063/-0.00 [+1.6/-0.0 mm] 1 Riedon Inc. © Riedon, Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 www.riedon.com sales@riedon.com (626) 284-1704 Revised: 201807_001 UB Series Silicone Coated Power Resistors SPECIFICATIONS (continued) Specification Value Tolerances ±0.01% to ±10% ( 1% Standard ) Temperature Coefficient >10W : ±20ppm/K 1W to10W : ±50ppm/K