VT-7

VT Series Vitreous Enamel Wirewound Resistors • • • • • All Welded Construction Resistances from 0.1 to 100kOhms Tolerance to ±1% High Overload and Pulse Handling Power Rating to 14Watts SPECIFICATIONS Power Rating W @ 25°C Maximum Voltage Resistance Range 0.1 to 10k 0.1 to 20k 0.1 to 22k 0.1 to 68k 0.1 to 100k Type VT-3 VT-5 VT-7 VT-10 VT-14 MAX 0.500 [12.7] 0.906 [23.0] 0.874 [22.2] 1.500 [38.1] 2.106 [53.5] L MAX 0.220 [5.6] 0.276 [7.0] 0.315 [8.0] 0.315 [8.0] 0.315 [8.0] 1 D Nominal 1.05 [26.5] 1.05 [26.5] 1.05 [26.5] 1.38 [35] 1.38 [35] I ±0.003 [±0.08] 0.032 [0.8] 0.032 [0.8] 0.032 [0.8] 0.032 [0.8] 0.032 [0.8] d1 3 5 7 10 14 100 160 200 500 750 Lead Diameter: 20 AWG = 0.032” Ordering Information Part Number - Resistance - Tolerance Example: VT-5 100 Ohm 1% Riedon Inc. 1.01 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704 Page 141 VT Series Vitreous Enamel Wirewound Resistors SPECIFICATIONS (continued) Specification Tolerances Temperature Coefficient Temperature Range Dielectric Strength Constuction Value ±1% / ±2% / ±5% / ±10% Standard : +200ppm/K / Typical : +100ppm/K -55°C to +350°C 1500 VAC Non-Flammable Enamel Coating All welded terminations Environmental Performance (MIL-STD 202) DR ±1% + 0.05W ±5% + 0.05W ±1% + 0.05W ±5% + 0.05W ±1% + 0.05W ±1% + 0.05W ±1% + 0.05W ±1% + 0.05W Dielectric Load Life Storage Moisture Resistance Thermal Shock 10X Overload ( 5s ) Shock Vibration Power Derating Curve 100 Power (%) 80 60 40 20 0 0 25 75 125 175 225 275 325 350 Ambient Temperature (°C) Riedon Inc. 1.01 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704 Page 142