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| USN UPN 2-0808 PrecisionFoilResistors * * * * * * 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 ResistanceRange Variations Powerrating(70C) TolerancIes Absolut Ratio Stability(Ratio) ShelfLifeStability Temperature Coefficient Absolut Tracking uponrequest InsolationResistance ThermalEMF OperatingTemperatureRange ResistorMaterial Substrate Housing ConnectorMaterial Terminals from0.005% from0.005% USN 2-0808 100Ohmsto20kOhms 0.2W(R1+R2) from0.02% from0.02% 0.001% 25ppm / R after 1 year 50ppm / R after 3 year typ.3ppm/K <1.0ppm/K <0.5ppm/K >10GOhm <0.1V/K -55to155C NiCr-Foil Al2O3 Capsule/Epoxy Cutinned 3 UPN 2-0808 Double-resistorwithmiddle-pin(R1-R2) typ.5ppm/K <2.0ppm/K <1.5ppm/K Ordering Information PartNumber-Resistance-Tolerance USN2-08082kOhms-4kOhms0.01% Riedon Inc. 300CypressAvenue AlhambraCA91801 www.riedon.com (626)284-9901 (626)284-1704 Page114 rev.03/2006A USNUPN 2-0808 PrecisionFoilResistors 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 O0.64 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 O0.025 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. 300CypressAvenue AlhambraCA91801 www.riedon.com (626)284-9901 (626)284-1704 Page115 rev.03/2006A |
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