USR 2-0710 Precision Foil Resistors • • • • • Resistances from 1Ohm to 300kOhms Power Rating to 0.6Watt Resistance Tolerances to ±0.005% TCR to ±1ppm/K Load Stability to 0.01% SPECIFICATIONS Type USR 2-0710 Resistance Range Power rating (70°C) Tolerances from 1.0 Ohms from 5.0 Ohms from 12.0 Ohms from 25.0 Ohms from 50.0 Ohms 1.0 Ohms to 4.99 kOhms 5.0 kOhms to 300 kOhms 0.4W (0.6W upon request) 0.6W 0.1% / 0.25% / 0.5% / 1% 0.05% / 0.1% / 0.25% / 0.5% / 1% 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1% 0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1% 0.005% / 0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1% Stability 0.01% Shelf Life Stability 25ppm / ∆R after 1 year 50ppm / ∆R after 3 year Temperature Coefficient max. ±5ppm/K (-55 to 155°C) typ. ±3ppm/K (-55 to 125°C) upon request ±1ppm/K (0 to 60°C) and ±1ppm/K (-55 to 125°C) Insolation Resistance > 10GOhm Thermal EMF < 0.1µV/K Operating Temperature Range -55 to 155°C Resistor Material NiCr-Foil Substrate Al2O3 Housing PBTP / Epoxy Connector Material Cu tinned Terminals 2 Ordering Information Part Description: Part Type - Resistance - Contact Grid Type - Tolerance - TCR Example: USR 2-0710 3.7Ohms J 0.5% 1ppm Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 www.riedon.com Grid (E) 3.81mm (0.15inches) = D Grid (E) 5.08mm (0.2inches) = J (626) 284-9901 (626) 284-1704 06/15 USR 2-0710 Precision Foil Resistors SPECIFICATIONS (continued) Temperature Coefficient 800 ∆R/R (ppm) 600 +5ppm/K -5ppm/K 400 200 Nominal Spread ±2.3ppm/K 0 -200 Nominal ∆R/R -400 Nominal Spread ±2.3ppm/K -600 -800 -50 0 -25 25 50 75 100 125 Temperature (°C) Derating Power (% from nominal power) 120 100 80 60 40 20 0 50 70 85 100 115 130 145 155 Ambient Temperature (°C) Dimensions Riedon Inc. 300 Cypress Avenue Dimension mm tol. (±mm) inches tol. (±inches) 0.079 Alhambra CA 91801 www.riedon.com A 30.00 2.0 1.18 B 7.00 0.1 0.28 0.004 C 9.50 0.2 0.37 0.008 D 2.00 0.1 0.08 0.004 E1 3.81 0.1 0.15 0.004 E2 5.08 0.1 0.20 0.004 F 3.00 0.1 0.12 0.004 G Ø0.60 0.1 Ø0.02 0.004 (626) 284-9901 (626) 284-1704 06/15