MODEL 66 1 3/8” Square Multiturn Cermet Trimming Potentiometer ELECTRICAL Standard Resistance Range, Ohms Standard Resistance Tolerance Input Voltage, Maximum Slider Current, Maximum Power Rating, Watts End Resistance, Maximum Actual Electrical Travel, Turns, Nominal Dielectric Strength Insulation Resistance, Minimum Resolution Contact Resistance Variation, Maximum 10 to 2Meg ±10% (<100 Ohms = ±20%) 200 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 20 1,000 Vrms 1,000 Megohms Essentially infinite 1% or 1 Ohm, whichever is greater ENVIRONMENTAL Seal 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 85°C Fluorinert® (No Leaks) ±100ppm/°C –65°C to +150°C 5 cycles, –65°C to +150°C (1% ∆RT, 1% ∆VR) Ten 24 hour cycles (1% ∆RT, IR 1,000 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 Mechanical Stops Torque, Starting Maximum Weight, Nominal Clutch Action, both ends 5 oz.-in. (0.035 N-m) .04 oz. (1.13 grams) Fluorinert® is a registered trademark of 3M Company. Specifications subject to change without notice. 1-39 Model 66 TOP ADJUSTMENT (Inch/mm) Model 66W .375 ± .015 9.525 ± 0.381 .145 3.683 .20 Max. 5.08 Metal Adjustment Screw .090 ± .005 Dia. With 2.286 ± 0.127 .020 Wide x .025 Min. Depth 0.51 0.635 .062 ± .015 1.575 ± 0.381 Schematic Diagram This Surface .060 ± .015 1.524 ± 0.38 Standard Marking This Surface .41 10.41 Terminal Pins (3) Solderable .021 ± .003 Dia. 0.533 ± 0.076 .015 ± .005 0.38 ± 0.13 .18 Min. 4.57 (3) (2) (1) .10 2.54 .187 ± .015 4.75 ± 0.38 .10 2.54 .100 ± .015 2.540 ± 0.381 0.05 Typ. 1.25 SIDE ADJUSTMENT (Inch/mm) .375 ± .015 9.525 ± 0.381 Model 66P .203 Max. 5.156 .158 4.01 .18 Min. 4.57 .03 Max. 0.76 Meniscus (Typ) .187 ± .015 4.750 ± 0.381 .062 ± .015 1.575 ± 0.381 (2) Solderable Terminal Pins (3) .021 ± .003 Dia. 0.533 ± 0.076 Standoff, .010 Min. 0.254 (1) .062 ± .015 1.575 ± 0.381 1-40 (3) .10 2.54 .10 2.54 .375 ± .015 9.525 ± 0.381 .187 ± .015 4.750 ± 0.381 .10 2.54 Metal Adjustment Screw .090 ± .005/2.286 ± 0.127 Dia. With .020 ± .005/0.508 ± 0.127 Wide x .025 ± .005/0.635 ± 0.127 Min. Depth Model 66 SIDE ADJUSTMENT (Inch/mm) 1 Model 66X .145 3.683 .20 Max. 5.08 .375 ± .015 9.525 ± 0.381 Schematic Diagram This Surface Standard Marking This Surface .062 ± .015 1.575 ± 0.381 .41 10.41 Metal Adjustment Screw .015 ± .005 .090 0.38 ± 0.13 Dia. With 2.29 .025 .020 Wide x Min. Depth 0.64 0.51 .18 Min. 4.57 (3) (2) (1) .10 2.54 Terminal Pins (3) Solderable .021 ± .003 Dia. 0.533 ± 0.076 .187 ± .015 4.75 ± 0.38 .10 2.54 .100 ± .015 2.540 ± 0.381 .062 ± .015 1.575 ± 0.381 STANDARD RESISTANCE VALUES, OHMS 10 20 50 100 200 500 1K 2K 5K 10K 20K 25K 1-41 50K 100K 200K 250K 500 1Meg 2Meg Model 66 PACKAGING Standard: Boxes Capacity Option: 100 Units (66W) 50 Units (All other styles) Tubes All units oriented with #1 pin to same side. Magazine Option: = = Pin Style Width Height Length Capacity = = = = P 0.57” 0.66” 20.9” 50 Units W 0.28” 0.93” 20.6” 50 Units X 0.28” 0.93” 24.4” 50 Units Tape & Reel, Ammo Pack (Available only for 66X and 66W) All units oriented with #1 pin to the right of the direction of feed. Tape Reel Ammo Seat Plane to Centerline of Sprocket Hole Width Sprocket Capacity Diameter Tape Fold Box = = = = = = = .71” (18 mm) 18 mm Single Hole .50” spacing 1,000 Units 14” (363 mm) 12” (305 mm) 1.8” x 13” x 10” (46mm x 330mm x 254mm) 1-42 Model 66 ORDERING INFORMATION 1 66 P R 10K LF Standard: Model Series RoHS Compliant Product Code - Optional Resistance Value Resistance Prefix Pin Style Option: 66 W R 10K LF TB Pin Style Packaging Option: TB = Tubes (Pin styles P, W, X) 66 W F R 10K LF TR Option: Pin Style Packaging Option: AP = Ammo pack TR = Tape & Reel (Pin styles W, X only) Pin Style Suffix: (Used with AP and TR packaging options. Applicable to pin styles W & X only. "F" designates 0.70" lead length.) NOTES CIRCUIT DIAGRAM 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. (2) (1) (3) INCH mm Tolerances unless otherwise specified: Linear = ± .01 inches (.25mm) Angular = ± 2 degrees CW 1-43 Model 66