MODEL 24 1 4mm Diameter Single Turn Cermet Trimming Potentiometer ELECTRICAL Standard Resistance Range, Ohms Standard Resistance Tolerance Input Voltage, Maximum Power Rating, Watts End Resistance, Maximum Actual Electrical Travel, Nominal Dielectric Strength Insulation Resistance, Minimum Resolution Contact Resistance Variation, Maximum 10 to 1Meg ±20% (±10% available) 200 Vdc or rms not to exceed power rating 0.5 at 70°C derating to 0 at 125°C 1% or 3 Ohms, whichever is greater 190° 500Vrms 1,000 Megohms Essentially infinite 2% or 3 Ohms, 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® ±100ppm/°C (<200 ohms = ±250ppm/°C) –55°C to +125°C 5 cycles, –55°C to +125°C (2% ∆RT, 2% ∆VR) Ten 24 hour cycles (3% ∆RT) 100G’s (2% ∆RT, 1% ∆VR) 20G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR) 250 hours at 125°C (2% ∆RT, 1% ∆VR) 200 cycles (5% ∆RT) 1,000 hours at 70°C (3% ∆RT) 350°C for 3 sec. (1% ∆RT) MECHANICAL Mechanical Stops Stop Strength, Minimum Torque, Maximum Weight, Nominal Solid 3 oz.-in. (200 gr-cm) 2 oz.-in. (150 gr-cm) .01 oz.(0.3 grams) Fluorinert® is a registered trademark of 3M Company. Specifications subject to change without notice. 1-13 Model 24 OUTLINE DIMENSIONS (Inch/mm) Model 24W Top Adjust 58.5° Typical 4 Places .39 ± .04 10 ± 1.0 .35 ± .04 9.0 ± 1.0 .19 Max. 4.7 .10 ± .01 2.5 ± 0.3 (1) .08 ± .01 Dia 2.0 ± 0.3 .19 ± .01 Dia 4.8 ± 0.3 .14 ± .01 3.5 ± 0.3 (2) (3) Adjustment Slot .02 .03 Wide x Deep 0.5 0.8 .11 .014 Dia. x Deep 2.7 0.35 .04 ± .01 1.0 ± 0.2 Solderable Terminal Leads .02 ± .004 Dia. 0.5 ± 0.10 Typical 3 Places .07 ± .01 1.8 ± 0.2 Note: Model 24W dimensions applicable to all other models except as noted. Model 24U Top Adjust .19 Max. 4.7 .39 ± .04 10 ± 1.0 (1) .20 ± .01 5.0 ± 0.3 (2) (3) .31 ± .04 8.0 ± 1.0 .35 ± .04 9.0 ± 1.0 Model 24S Side Adjust .26 ± .01 6.5 ± 0.3 .24 ± .01 6.0 ± 0.3 .20 ± .04 5.0 ± 1.0 .07 ± .01 1.8 ± 0.2 .03 ± .01 0.8 ± 0.3 (3) .19 ± .01 Dia. 4.8 ± 0.3 .14 ± .01 3.5 ± 0.3 (2) (1) .008 Max. 0.20 .16 ± .01 4.1 ± 0.3 1-14 .10 ± .01 2.5 ± 0.3 Model 24 STANDARD RESISTANCE VALUES, OHMS 100 200 500 1K 2K 5K 10K 20K 50K 100K 200K 500K 1 1Meg 2Meg PACKAGING Standard: Boxes Capacity Option: = 100 Units Tape & Reel (24U only) All units oriented with #3 pin toward direction of feed. Tape Reel Seat Plane to Centerline of Sprocket Hole Width Sprocket Capacity Diameter = = = = = .71” (18 mm) 18 mm Single Hole .50” spacing 1,000 Units 14” (363 mm) ORDERING INFORMATION Standard: 24 W R 10K LF TR Model Series Pin Style Resistance Prefix Packaging Option TR = Tape & Reel RoHS Compliant Product Code - Optional Resistance Value CIRCUIT DIAGRAM NOTES English equivalents are based on 1 inch = 25.4mm and are provided for general information only. (2) (1) (3) INCH mm Tolerances unless otherwise specified: Linear = ± 0.3 mm (.01 in.) CW 1-15 Model 24