SAA / SMA / SCA / AA Series Precision Metal Film Resistors • • • • • • • Resistances from 10 to 1MOhms Power Rating 0.25Watts Resistance Tolerances to ±0.05% TCR to ± 5ppm/°C Non-Inductive Design Space Efficient Radial Leads Encapsulating Available (AA series) 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 1/6 10 to 330k 300 0.205 [5.2] 0.315 [8.0] 0.591 [15.0] 0.100 [2.5] 0.090 [2.3] SAA 1/4 10 to 1M 350 0.275 [7.0] 0.315 [8.0] 0.591 [15.0] 0.200 [5.1] 0.098 [2.5] SMA 1/4 10 to 500k 350 0.433 [11.0] 0.170 [4.3] 0.591 [15.0] 0.400 [10.2] 0.098 [2.5] AA 1/4 10 to 1M 350 0.295 [7.5] 0.327 [8.3] 0.984 [25.0] 0.200 [5.1] 0.110 [2.8] Specification Value Resistance Range 10 Ohms to 1MOhms Tolerances ±0.1% to ±1% ±0.05% ( 100W < R < 100KW ) Temperature Coefficient ±10ppm/°C / ±25ppm/°C ±5 ppm/°C ( 100W < R < 100KW ) Temperature Range -55°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% 120 Vibration ±0.01% 100 Ordering Information Power Derating Curve Power ( % ) (MIL-STD 202) 60 40 20 0 Part Desctiption: Part Type - Resistance - Tolerance - TCR Example: SAA 10 kOhms 0.1% 10ppm Riedon Inc. 300 Cypress Avenue 07/13 80 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