UPW2-0808 RIEDON | Alldatasheet

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Technical content

Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 110 rev. 03/2006A UPW 2-0808 Precision Foil Resistors Type UPW 2-0808 Power rating (70°C) 0.25W 0.20W Tolerances 0.5% / 1% 0.05% / 0.1% / 0.25% / 0.5% / 1% 0.5% / 1% Stability 0.01% Shelf Life Stability 25ppm / ∆R after 1 year Temperature Coefficient max. ±8ppm/K (-55 to 125°C) max. ±4ppm/K (0 to 60°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 SPECIFICATIONS Part Number - Resistance - Contact - Tolerance - TCR UPW 2-0808 5.10kOhms J 0.01% 4ppm

Ordering Information

Resistances from 1Ohm to 150kOhms Power Rating to 0.25Watt Resistance Tolerances to ±0.01% TCR to ±4ppm/K Load Stability to 0.01% Grid (E) 3.81mm (0.15inches) = D Grid (E) 5.08mm (0.2inches) = J Precision Resistors

Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 111 rev. 03/2006A 100 120 25 40 55 70 85 100 115 130 145 155 Ambient Temperature (°C) Power (% from nominal power) Derating Temperature Coefficient SPECIFICATIONS (continued) UPW 2-0808 Precision Foil Resistors Dimensions -1500 -1000 -500 500 1000 1500 -50 -25 0 25 50 75 100 125 -8ppm/K +8ppm/K Nominal ∆R/R Nominal Spread ±2.8ppm/K Nominal Spread ±2.8ppm/K Temperature (°C) ∆R/R (ppm) Type D / Grid = 3.81mm (0.15inches) Dimension mm tol. (±mm) inches tol. (±inches) A 28.30 2.0 1.11 0.079 B 7.62 0.1 0.30 0.004 C 8.30 0.2 0.33 0.008 D 2.00 0.1 0.08 0.004 E 3.81 0.1 0.15 0.004 F 2.67 0.1 0.11 0.004 G Ø0.64 0.1 Ø0.03 0.004 Type J / Grid = 5.08mm (0.2inches) Dimension mm tol. (±mm) inches tol. (±inches) A 28.00 2.0 1.10 0.079 B 7.49 0.1 0.29 0.004 C 8.00 0.2 0.31 0.008 D 2.00 0.1 0.08 0.004 E 5.08 0.1 0.20 0.004 F 2.49 0.1 0.10 0.004 G Ø0.64 0.1 Ø0.03 0.004