USN2-0808

USN UPN 2-0808 Precision Foil Resistors • • • • • • Resistances from 100Ohm to 20kOhms Power Rating to 0.2Watt Resistance Tolerances to ±0.005% TCR to ±0.5ppm/K Load Stability to 0.001% Twin Resistor Construction SPECIFICATIONS Type Resistance Range Variations Power rating (70°C) TolerancIes Absolut Ratio Stability (Ratio) Shelf Life Stability Temperature Coefficient Absolut Tracking upon request Insolation Resistance Thermal EMF Operating Temperature Range Resistor Material Substrate Housing Connector Material Terminals from 0.005% from 0.005% USN 2-0808 100 Ohms to 20 kOhms 0.2W (R1+R2) from 0.02% from 0.02% 0.001% 25ppm / ∆R after 1 year 50ppm / ∆R after 3 year typ. ±3ppm/K < 1.0ppm/K < 0.5ppm/K > 10GOhm < 0.1µV/K -55 to 155°C NiCr-Foil Al2O3 Capsule / Epoxy Cu tinned 3 UPN 2-0808 Double-resistor with middle-pin (R1-R2) typ. ±5ppm/K < 2.0ppm/K < 1.5ppm/K Ordering Information Part Number - Resistance - Tolerance USN 2-0808 2kOhms-4kOhms 0.01% Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704 Page 114 rev. 03/2006A USN UPN 2-0808 Precision Foil Resistors SPECIFICATIONS (continued) Derating 120 Power (% from nominal power) 100 80 60 40 20 0 25 40 55 70 85 100 115 130 145 155 Am bient Tem perature (°C) Dimensions Dimension A B C D E F G H mm 27.20 7.49 8.13 2.00 2.54 2.54 Ø0.64 tol. (±mm) 2.0 0.2 0.2 0.1 0.1 0.1 0.1 inches 1.07 0.29 0.32 0.08 0.10 0.10 Ø0.025 tol. (±inches) 0.079 0.008 0.008 0.004 0.004 0.004 0.004 Marking of the position of the low ohmic resistor Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704 Page 115 rev. 03/2006A