MODEL 9300 SERIES 1-13/16” Diameter 3-Turn Wirewound 2 Precision Potentiometer MODEL STYLES 9301 9303 1/4” Shaft, 3/8” Bushing 1/4” Shaft, Servo ELECTRICAL Resistance Range, Ohms Standard Resistance Tolerance Minimum Practical Resistance Tolerance Independent Linearity Minimum Practical Independent Linearity 30 to 190K ±5% ±1% ±0.25% ±0.2%, < 150 Ohms ±0.1%, 150-1,500 Ohms ±0.05%, 1,501-9,999 Ohms ±0.04%, ≥10K Ohms 3.0 at 70°C derating to 0 at 125°C 1,000V rms 1,000 Megohms 100 Ohms 1,080° + 3° – 0°, ≤100 Ohms 1,080° + 2° – 0°, 101-700 Ohms 1,080° + 1° – 0°, >700 Ohms +90° ±5° at each end ±2°, ≤100 Ohms ±1°, 101-700 Ohms ±0.5°, >700 Ohms Within Std. Linearity Tolerance Power Rating, Watts Dielectric Strength Insulation Resistance, Minimum Noise, Maximum Actual Electrical Travel Electrical Continuity Over Travel Tap Tolerance End Voltage, Maximum Specifications subject to change without notice. 2-129 Model 9300 Series ENVIRONMENTAL (MIL-R-12934) Operating Temperature Range Static: –65°C to +125°C Dynamic: -40°C to +125°C 5 cycles, –65°C to +125°C (5% ∆R) 50G’s (0.1ms discontinuity max.) 5G’s, 10 to 2,000 Hz (5% ∆R, 0.1ms discontinuity max.) Ten 24 hour cycles (3% ∆R) 1,000 hours at 125°C (5% ∆R) 2 mil. shaft rev. plus 900 hrs. at rated wattage at 70°C (5% ∆R) Temperature Cycling Shock, 6ms Sawtooth Vibration Moisture Resistance High Temperature Exposure Rotational Load Life MECHANICAL Total Mechanical Travel Number of Cups, Maximum Weight, Nominal (per gang) Static Stop Strength Backlash, Maximum Shaft End Play, Maximum Shaft Runout, T.I.R., Maximum Pilot Diameter Runout, T.I.R., Maximum Lateral Runout, T.I.R., Maximum Starting Torque, Maximum Running Torque, Maximum Panel Nut Tightening Torque, Maximum 9301 25 lb.-in. 0.002" Shaft Radial Play, Maximum 1260° ± 5° 3 3.4 oz. 600 oz.-in. Essentially zero .005" .0005" .001" .0015" 1.3 oz.-in. 0.9 oz.-in. 9303 N/A 0.001" STANDARD RESISTANCE VALUES, OHMS Total Resistance Theoretical Resolution (% Nominal) Tempco of Wire 1K 5K 10K 20K 50K 0.039 0.032 0.027 0.021 0.017 ±20 ppm/°C ±20 ppm/°C ±20 ppm/°C ±20 ppm/°C ±20 ppm/°C 2-130 Model 9300 Series OUTLINE DIMENSIONS (Inch/mm) Model 9301 Bushing Mount 1.844±.031 46.84± 0.79 Mounting Surface 1.344±.031 34.14± 0.79 .812 ±.031 20.6± 0.79 Slider CW CWW 60˚ Max. 2 .2497 + .0000 – .0003 Dia. 6.3424 + 0.0000 – 0.0076 1.203 30.56 R. Max. 1.812 ±.016 46.03± 0.41 Dia. .562±.016 14.3±0.41 .405±.001 Dia. 10.3± 0.03 + Chamfer .016/0.41 Max. x 45˚ + .000 .062 – .010 + 0.00 1.58 – 0.25 3/8-32 UNEF Thread .312± .016 7.93± 0.41 Locating Hole .129±.005/3.277± 0.127 Dia. x .094±.016/2.388 ± 0.406 positioned as shown OUTLINE DIMENSIONS (Inch/mm) Model 9303 Servo Mount 1.750 ±.031 44.45 ± 0.79 1.250 ±.031 31.75 ± 0.79 Slider CW CWW Mounting Surface 60˚ Max. .625±.031 15.9± 0.79 1.203 R. Max. 30.56 .2497 + .0000 – .0003 Dia. 6.3424 + 0.0000 – 0.0076 1.812 ±.016 46.03± 0.41 Dia. .093± .005 2.36± 0.13 Chamfer .016/0.41 Max. x 45˚ 1.875 + .000 – .001 Dia. 47.63 + 0.00 – 0.03 + .005 2.000 – .010 Dia. + 0.13 50.80 – 0.25 .062 ± .005 1.58 ± 0.13 METRIC CONVERSIONS 1 in. 1 oz. 25.4 mm 28.4 gm 2-131 1 oz.-in. 1 lb.-in. 0,007 N-m 0,113 N-m Model 9300 Series SPECIAL FEATURES Center Tap Linearity Tape Rear Shaft Extension Flatted Shaft Slotted Shaft Shaft Lock (9301 only) CT LT RS FS SS SL ORDERING INFORMATION 9301 R 10K L.25 XX Optional Special Feature Code Model Series Resistance Prefix Linearity Resistance Value MATCHING TURNS COUNTING DIALS 9301: 2606, 2607, 2626, 2627, 2646, 2647, RB 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) (CW) INCH mm Tolerances unless otherwise specified: Linear = ± .01 inches (.25mm) Angular = ± 2 degrees 2-132 Model 9300 Series