91AR50LF

MODEL 91 3/8” Diameter Single Turn Cermet Trimming Potentiometer ELECTRICAL 1 Standard Resistance Range, Ohms Standard Resistance Tolerance Input Voltage, Maximum Slider Current, Maximum Power Rating, Watts End Resistance, Maximum Actual Electrical Travel, Nominal Dielectric Strength Insulation Resistance, Minimum Resolution Contact Resistance Variation, Maximum ENVIRONMENTAL 10 to 2Meg ±20% 250 Vdc or rms not to exceed power rating 100mA or within rated power, whichever is less 0.5 at 70°C derating to 0 at 125°C 2 Ohms 174° 500 Vrms 1,000 Megohms Essentially infinite 1% or 1 Ohm, whichever is greater Temperature Coefficient, Maximum Operating Temperature Range Thermal Shock Moisture Resistance Shock, 6ms Sawtooth Vibration High Temperature Exposure Rotational Life Load Life at 0.5 Watts Resistance to Solder Heat MECHANICAL ±100ppm/°C –55°C to +125°C 5 cycles, –55°C to +125°C (1% ∆RT, 1% ∆VR) Ten 24 hour cycles (1% ∆RT, IR 100 Megohms Min.) 100G’s (1% ∆RT, 1% ∆VR) 20G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR) 250 hours at 125°C (2% ∆RT, 2% ∆VR) 200 cycles (3% ∆RT) 1,000 hours at 70°C (2% ∆RT) 260°C for 10 sec. (1% ∆RT) Mechanical Stops Stop Strength Torque, Starting Maximum Weight, Nominal Specifications subject to change without notice. Solid 12 oz.-in. (0.085 N-m) 5oz.-in. (0.042 N-m) .03 oz. (0.85 grams) 1-83 Model 91 TOP ADJUSTMENT (Inch/mm) Model 91A .20 5.08 .375 9.525 Max. Dia. Arrow Indicates Slider Position. Electrical Adjustments May Be Made With A Phillips Or Blade Screwdriver And Is Fingertip Adjustable. .050 .034 Wide X Deep Slot: 1.270 0.864 .385 9.779 Max. For Blade Screwdriver .20 5.08 (2) (1) .10 2.54 .15 For Phillips 3.81 Screwdriver .18 4.57 Min. (3) .20 5.08 .20 5.08 Model Number Marked On This Surface Standoffs (2) .020 ± .005 Dia. 0.508 ± 0.127 Solderable Terminals Resistance Value Marked On This Surface .10 2.54 Model 91B (3) (1) .25 6.35 Max. .18 4.57 Min. .10 2.54 (2) .20 5.08 .10 2.54 Model 91C (3) (2) .344 8.738 (1) .172 4.369 .25 6.35 Max. .18 4.57 Min. .156 3.962 .10 2.54 Model 91E (2) .25 6.35 Max. .18 Min. 4.57 .20 5.08 .40 10.2 (3) (1) .10 2.54 .20 5.08 .015 ± .005 0.381 ± 0.127 True Radius (Typ.) 1-84 Model 91 SIDE ADJUSTMENT (Inch/mm) 1 Model 91T .345 8.763 Max. (1) .20 5.08 (2) (3) .10 2.54 .18 Min. 4.57 .10 2.54 Model 91V .40 10.2 Max. (1) .344 8.738 (2) (3) .172 4.369 .18 Min. 4.57 .156 3.962 Model 91W .25 6.35 Max. (1) .20 5.08 (2) (3) .10 2.54 .18 Min. 4.57 Model 91X .345 8.763 Max. (1) .20 5.08 (2) (3) .10 2.54 .18 Min. 4.57 .10 2.54 1-85 Model 91 STANDARD RESISTANCE VALUES, OHMS 10 20 50 100 200 500 1K 2K 5K 10K 20K 25K 50K 100K 200K 250K 500K 1Meg 2Meg PACKAGING Standard: Boxes Capacity = 100 Units ORDERING INFORMATION Standard: 91 A R 10K LF Model Series Pin Style RoHS Compliant Product Code - Optional Resistance Value Resistance Prefix 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. Tolerances unless otherwise specified: Linear = ± .01 inches (.25mm) Angular = ± 2 degrees (2) (1) CW (3) INCH mm 1-86 Model 91