SAA / SMA / SCA Series Precision Metal Film Resistors • • • • • • Resistances from 10 to 1MOhms Power Rating 0.25Watts Resistance Tolerances to ±0.05% TCR to ± 5ppm/K Non-Inductive Design Space Efficient Radial Leads SPECIFICATIONS Type Power Rating ( Watts @ 70°C) Resistance Range Maximum Working Voltage Dimensions D H L W T +0.000 / -0.020 [+0.0 / -0.5mm] +0.000 / -0.020 [+0.0 / -0.5mm] ±0.040 [±1.0mm] ±0.008 [±0.2mm] +0.000 / -0.020 [+0.0 / -0.5mm] SCA 0.25 10 to 330k 300 0.205 [5.2] 0.315 [8.0] 0.390 [10.0] 0.100 [2.5] 0.090 [2.3] SAA 0.25 10 to 1M 350 0.275 [7.0] 0.315 [8.0] 0.390 [10.0] 0.200 [5.1] 0.098 [2.5] SMA 0.25 10 to 500k 350 0.433 [11.0] 0.170 [4.3] 0.492 [12.5] 0.400 [10.2] 0.098 [2.5] Specification Value Resistance Range 10 Ohms to 1MOhms Tolerances ±0.1% to ±1% ±0.05% ( 100W < R < 100KW ) Temperature Coefficient ±10ppm/K / ±25ppm/K ±3 ppm/K ( 100W < R < 100KW ) Temperature Range -25°C to +125°C Insulation Resistance >10000 MOhms Environmental Performance DR Load Life ±0.1% Moisture Resistance ±0.1% Temperature Cycling ±0.05% Short Time Overload ±0.01% Vibration ±0.01% (MIL-STD 202) Power Derating Curve 120 Power ( % ) 100 Ordering Information Part Number - Resistance - Tolerance - TCR Example: SAA 10 kOhms 0.1% 10ppm Riedon Inc. 1.01 300 Cypress Avenue 80 60 40 20 0 0 25 50 75 100 125 150 175 200 Ambient Temperature (°C) Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 86