MODEL 3371 1-5/16” Diameter Single Turn Conductive Plastic 2 Precision Potentiometer / Position Sensor 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 Tap Tolerance Resolution Temperature Coefficient** 1K to 900K ±10% ±5% ±0.5% ±0.25% 400Vdc not to exceed power rating .75 at 65°C derating to 0 at 105°C 1,000V rms 1,000 Megohms 0.1% 348° 350° 0.5% of Input Voltage 0.5% of Input Voltage Essentially infinite –800 ppm/°C * Linearity is measured between 1% and 99% of input voltage. ** Special tempco available to ± 100ppm/˚C. ENVIRONMENTAL (MIL-R-39023) Operating Temperature Range Temperature Cycling Shock, 6ms Sawtooth Vibration Moisture Resistance High Temperature Exposure Rotational Life Rotational Load Life –25°C to +105°C 5 cycles, –25°C to +105°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 (25% ∆R) Mechanical operation at 105°C (0.5% ∆R) 2 mil. shaft rev. 2 mil. shaft rev. (10% ∆R) Specifications subject to change without notice. 2-31 Model 3371 MECHANICAL Total Mechanical Travel Number of Gangs, Maximum Weight, Nominal Shaft Runout, T.I.R., Maximum Pilot Diameter Runout, T.I.R., Maximum Lateral Runout, T.I.R., Maximum Shaft Radial Play, Maximum Shaft End Play, Maximum Start/Run Torque, Maximum 360° continuous (350° ±2° with stop feature) 1 1.5 oz. .0025” .0025” .003” .004” .007” 1.0 oz.-in SPECIAL FEATURES Center Tap Linearity Tape Flatted Shaft Slotted Shaft Shaft Lock Stop CT LT FS SS SL ST FEATURES/BENEFITS • Low noise • Excellent “output” smoothness STANDARD RESISTANCE VALUES, OHMS 1K 2K 5K 10K 20K 50K 100K METRIC CONVERSIONS 1 in. 1 oz. 25.4mm 28.4 gm 2-32 1 oz.-in. 1 lb.-in. 0,007 N-m 0,113 N-m Model 3371 OUTLINE DIMENSIONS (Inch/mm) Mounting Surface .891±.031 22.6±0.79 .875±.031 22.2±0.79 .734±.016 18.6±0.41 .2497 +.0000 -.0003 Dia. 6.342 +0.000 -0.008 .062±.016 1.58±0.41 CW .031±.016 0.79±0.41 2 CCW 1.312±.016 33.33±0.41 .406 +.000 -.002 Dia. 10.3 +0.00 -0.05 Slider CT CT When Specified .062±.016 1.58±0.41 Chamfer .016 Max. x 45° 0.41 .375±.016 9.53±0.41 3/8-32 UNEF Thread .562±.016 14.3±0.41 Locating Lug: .125±.005 Dia. 3.18±0.13 ORDERING INFORMATION 3371 R 10K T5 L .5 XX Optional Special Feature Code Model Series Resistance Prefix Linearity Resistance Value Optional Non-Standard Tolerance 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) INCH mm Tolerances unless otherwise specified: Linear = ± .01 inches (.25mm) Angular = ± 2 degrees (CW) 2-33 Model 3371