MODEL 6143, 6163 7/8” Diameter Single Turn Conductive Plastic 2 Precision Potentiometer / Position Sensor MODEL STYLES 6143 6163 1/8” Shaft, Bronze Sleeve Bearing 1/8” Shaft, Ball Bearing ELECTRICAL Resistance Range, Ohms Standard Resistance Tolerance Minimum Practical Resistance Tolerance Independent Linearity* Minimum Practical Independent Linearity Input Voltage, Maximum Power Rating, Watts Dielectric Strength Insulation Resistance, Minimum Output Smoothness, Maximum Actual Electrical Travel, Nominal Electrical Continuity Travel, Minimum End Voltage, Maximum Resolution Temperature Coefficient** 1K to 100K ±10% ±5% ±1.0% ±0.5% 400Vdc not to exceed power rating 1.0 at 70°C derating to 0 at 125°C 750V rms 1,000 Megohms 0.1% 340° 350° 0.5% of Input Voltage Essentially infinite –800 ppm/°C Specifications subject to change without notice. * Linearity is measured between 1% and 99% of input voltage. ** Special tempco available to ±100ppm/°C. 2-59 Model 6143, 6163 ENVIRONMENTAL (MIL-R-39023) Operating Temperature Range Static: –65°C to +125°C Dynamic: –40°C to +125°C 5 cycles, –65°C to +125°C (10% ∆R) 100G’s (0.1ms discontinuity max.) 10G’s, 10 to 500 Hz (2% ∆R, 0.1ms discontinuity max.) Five 24 hour cycles (10% ∆R) 1,000 hours at 125°C (0.5% ∆R) 6143: 6163: 10 mil. shaft rev. 25 mil. shaft rev. 5 mil. shaft rev. at rated wattage at 70°C (10% ∆R) Temperature Cycling Shock, 6ms Sawtooth Vibration Moisture Resistance High Temperature Exposure Rotational Life Rotational Load Life MECHANICAL Total Mechanical Travel Number of Gangs, Maximum Weight, Nominal 360° continuous 1 0.46 oz. 6163 .003” .003” .003” .005” 0.5 oz.-in. Ball Bearing 6143 .003” .005” .005” .005” 0.6 oz.-in. Bronze Sleeve Bearing Shaft Runout, T.I.R., Maximum Pilot Diameter Runout, T.I.R., Maximum Lateral Runout, T.I.R., Maximum Shaft Radial Play, Maximum Start/Run Torque, Maximum Bearing Type STANDARD RESISTANCE VALUES, OHMS 1K 2K 5K 10K 20K 50K METRIC CONVERSIONS 1 in. 1 oz. 25.4 mm 28.4 gm 2-60 1 oz.-in. 1 lb.-in. 0,007 N-m 0,113 N-m Model 6143, 6163 OUTLINE DIMENSIONS (Inch/mm) Mounting Surface .595±.015 15.1±0.38 45°±5° Typ. .500 12.7 Max. CW CCW Slider .500±.031 12.7±0.79 +.0000 -.0005 Dia. +0.0000 19.050 -0.0127 .7500 .840±.005 Dia. 21.3±0.13 .187±.015 R. 4.75±0.38 Adjustment Slot (Optional) .032±.005 .032±.005 Deep Wide x 0.81±0.13 0.81±0.13 .750±.005 Dia. 19.1±0.13 .062±.005 1.58±0.13 .062±.005 1.58±0.13 Chamfer .875±.005 Dia. 22.2±0.13 .010±.005 Max. x 45° 0.25±0.13 +.0000 .1248 -.0003 Dia. +0.000 3.170 -0.008 .062±.005 1.58±0.13 2-61 Model 6143, 6163 2 SPECIAL FEATURES Linearity Tape Flatted Shaft Slotted Shaft LT FS SS ORDERING INFORMATION 2 6163 R 10K T5 L 1.0 Optional Special Feature Code Model Series 6143 - Bronze Sleeve Bearing 6163 - Ball Bearing Linearity Resistance Prefix Optional Non-Standard Tolerance Resistance Value CIRCUIT DIAGRAM NOTES Metric equivalents, based on 1 inch = 25.4mm are rounded to the same number of significant figures as in the original English units and are provided for general information only. (S) (CCW) XX (CW) INCH mm Tolerances unless otherwise specified: Linear = ± .01 inches (.25mm) Angular = ± 2 degrees 2-62 Model 6143, 6163