Potentiometer 3 Watt, 7/8" round case, 1/4" dia. shaft, 10 turn, precision wire wound Features * * * * * Permanickel contact Stainless steel 1/4" diameter shaft Gold plated terminals Internal tracking surfaces gold plated Precision winding with excellent linearity Specifications Electrical Resistance Range: 100 Ohms to 100K Ohms Resistance Tolerance: 5% Linearity Tolerance: 0.25% independent Noise: 100 Ohms ENR Rotation: 3600, +10, -0 Power Rating: 2W @ +70C derated to 0W @ +125C Insulation Resistance: 1000 Meg Ohm min, 500VDC Dielectric Strength: 1000V RMS min 50Hz Absolute Minimum Resistance: Not to exceed linearity x total resistance or 1 Ohm, whichever is greater Temperature Coefficient of Resistance: 20ppm/C (wire only) End Voltage: 0.25% of total applied voltage, max Mechanical Bearing Type Bushing: Sleeve bearing Resistance Element: See Table Rotation: 3600, +10, -0 Starting Torque (maximum): 36 gm-cms (0.5 oz in) Stop Strength (static): 5.4 Kgm-cm (75 oz in) Rotation Life: 1,000,000 shaft revolutions Environmental Operating Temperature: -55 to +125C Load Life: 900 hr. NTE Part No. Value Ohms Shaft Diag. Length No. 502-0100 100 7/8" P12 502-0101 200 7/8" P12 502-0102 500 7/8" P12 502-0103 1K 7/8" P12 502-0104 2K 7/8" P12 502-0105 5K 7/8" P12 502-0106 10K 7/8" P12 502-0107 20K 7/8" P12 502-0108 50K 7/8" P12 502-0109 100K 7/8" P12 Resistance Element Data Resistance Value Resolution (Ohms) (%) Ohms per Turn Max Current @ 70C Ambient (mA) Max Voltage Across Coil (Volts) 100 .060 .0603 141.00 14.1 200 .037 .0746 100.00 20.0 500 .031 .1520 63.20 31.6 1K .025 .2459 44.70 44.7 2K .021 .4113 31.60 63.2 5K .016 .8206 20.00 100.0 10K .017 1.7230 14.10 141.0 20K .015 3.0160 10.00 200.0 50K .009 4.6690 6.23 316.0 100K .007 7.4560 4.47 447.0