MODEL 7600 SERIES 1-13/16” Diameter 10-Turn Wirewound 2 Precision Potentiometer MODEL STYLES 7601 7603 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 1K to 650K ±5% ±1% ±0.15% ±0.1%, < 500 Ohms ±0.05%, 500-4,999 Ohms *±0.025%, ≥ 5K Ohms 5.0 at 70°C derating to 0 at 125°C 1,000Vdc Not to Exceed Power Rating 1,000V RMS 1,000 Megohms 100 Ohms 3,600° + 3° -0°, ≤ 300 Ohms 3,600° + 2° -0°, 301-2,500 Ohms 3,600° + 1° -0°, > 2,500 Ohms +90° ±5° at each end ±2°, ≤ 300 Ohms ±1°, 301-2,500 Ohms ±0.5°, ≥ 2,500 Ohms Within Std. Linearity Tolerance Power Rating, Watts Input Voltage, Maximum 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. *May require external pads. 2-115 Model 7600 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) 100G’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 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 3,780° ± 5° 2 5.5 oz. 600 oz.-in. Essentially zero .005" .0005" .001" .0015" 1.3 oz.-in. 0.9 oz.-in. 7601 7603 25 lb.-in. N/A 0.002" 0.001" Panel Nut Tightening Torque, Maximum Shaft Radial Play, Maximum STANDARD RESISTANCE VALUES, OHMS Total Resistance Theoretical Resolution (% Nominal) Tempco of Wire 1K 5K 10K 20K 50K 100K 0.019 0.011 0.012 0.009 0.007 0.006 ±20 ppm/°C ±20 ppm/°C ±20 ppm/°C ±20 ppm/°C ±20 ppm/°C ±20 ppm/°C 2-116 Model 7600 Series OUTLINE DIMENSIONS (Inch/mm) Model 7601 Bushing Mount 2.719±.031 69.06±0.79 2.219±.031 56.36±0.79 Slider CCW CW Mounting Surface .812±.031 20.6±0.79 60° Max. +.0000 -.0003 Dia. +0.0000 6.3424 -0.0076 .2497 1.203 R. Max. 30.56 1.812±.016 Dia. 46.03±0.41 .562±.016 14.3±0.41 .405±.001 Dia. 10.3±0.03 +.000 -.010 +0.00 1.58 -0.25 2 Chamfer .013/0.41 Max. x 45° .062 Locating Hole .129±.005/3.277 ± 0.127 Dia. x .094±.016/2.388±0.406 Positioned as shown. 3 /8 -32 UNEF Thread .312±.016 7.93±0.41 OUTLINE DIMENSIONS (Inch/mm) Model 7603 Servo Mount 2.625±.031 66.68±0.79 2.125±.031 53.98±0.79 Slider CW CCW Mounting Surface 60° Max. .625±.031 15.9±0.79 +.0000 -.0003 +0.0000 6.3424 -0.0076 1.203 R. Max. 30.56 .2497 1.812±.016 Dia. 46.03±0.41 .093±.005 2.36±0.13 Chamfer .016/0.41 Max. x 45° .062±.005 1.58±0.13 +.000 -.001 Dia. +0.00 47.63 -0.03 1.875 +.005 -.010 Dia. +0.13 50.80 -0.25 2.000 METRIC CONVERSIONS 1 in. 1 oz. 25.4 mm 28.4 gm 2-117 1 oz.-in. 1 lb.-in. 0,007 N-m 0,113 N-m Model 7600 Series SPECIAL FEATURES Center Tap Linearity Tape Rear Shaft Extension Flatted Shaft Slotted Shaft Shaft Lock (7601 only) CT LT RS FS SS SL ORDERING INFORMATION 7601 R 10K L.15 XX Optional Special Feature Code Model Series Resistance Prefix Resistance Value Linearity MATCHING TURNS COUNTING DIALS 7601: 2606, 2607, 2626, 2627, 2646, 2647, 2126, 2606S, 2607S, 2646S, 2647S, 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) INCH mm Tolerances unless otherwise specified: Linear = ± .01 inches (.25mm) Angular = ± 2 degrees (CW) 2-118 Model 7600 Series