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| MODEL 72 3/8" Square 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 10% (<100 Ohms = 20%) 200 Vdc or rms not to exceed power rating 100mA or within rated power, whichever is less 0.5 at 85C derating to 0 at 125C 2 Ohms 244 900 Vrms 1,000 Megohms Essentially infinite 1% or 1 Ohm, whichever is greater 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 MECHANICAL 85C Fluorinert(R) (No Leaks) 100ppm/C -55C to +125C 5 cycles, -55C to +125C (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 125C (2% RT, 2% VR) 200 cycles (3% RT) 1,000 hours at 70C (2% RT) 260C for 10 sec. (1% RT) Mechanical Stops Torque, Starting Maximum Weight, Nominal Fluorinert(R) is a registered trademark of 3M Company. Specifications subject to change without notice. Solid 3 oz.-in. (0.021 N-m) .025 oz. (0.70 grams) 1-55 Model 72 TOP ADJUSTMENT (Inch/mm) Model 72P Model No., Resistance Value And Date Code marked on side .187 .015 4.75 .38 .375 .015 9.53 .38 .187 .015 4.75 .38 .100 .010 2.5 .3 .100 .010 2.5 .3 .375 .015 9.53 .38 Standoffs .015 .002 .38 .05 .187 .015 4.75 .38 1 2 .100 .010 2.5 .3 O.021 .003/.53 .08 Solderable Terminals 3 Electrical Adjustment .13 .005/3.3 .13 Long x .03 .003/.76 .08 Wide x .038 .005/.96 .13 Deep .206 .015 5.23 .38 .180 Min. 4.6 Note: Model 72P dimensions applicable to all other models except as noted. Model 72PL .015 .010 .38 .3 Model 72PM .100 .010 2.5 .3 .187 .015 4.75 .38 1 2 3 .187 .015 4.75 .38 3 2 .100 .010 2.5 .3 1 .100 .010 2.5 .3 .187 .015 4.75 .38 .100 .010 2.5 .3 .200 .010 5.1 .3 .10 .010 2.5 .3 Model 72PX, 72RPX .015 .010 .38 .3 3 2 .150 .010 3.8 .3 1 .150 .010 3.8 .3 .187 .015 4.75 .38 Model 72RP .100.010 2.5.3 .187.015 4.75.38 .160.015 4.6.38 2 .100.010 2.5.3 3 1 .100.010 2.5.3 Model 72RPX - Terminals 1 and 3 are reversed 1-56 Model 72 SIDE ADJUSTMENT (Inch/mm) 1 Model 72X, 72RX Model 72XL, 72RXL, 72RW .386 9.80 3 2 1 .017 .003 .43 .08 Standoffs .100 .010 2.5 .3 .100 .010 2.5 .3 .100 .010 2.5 .3 .187 .015 4.75 .38 3 2 1 .017 .003 .43 .08 Standoffs .187 .015 4.75 .38 .100 .010 2.5 .3 .100 .010 2.5 .3 .050 .015 1.27 .38 72XL, 72RXL .140 .015 3.56 .38 72RW .100 .015 2.5 .38 Model 72RX - Terminals 1 and 3 are reversed Model 72RXL And 72RW - Terminals 1 and 3 are reversed Model 72XW, 72RXW .017 .003 .43 .08 Standoffs 3 2 .150 .010 3.8 .3 1 .150 .010 3.8 .3 .187 .015 4.75 .38 .140 .015 3.56 .38 Model 72RXW - Terminals 1 and 3 are reversed 1-57 Model 72 EXTENDED ROTOR OPTION (Inch/mm) ADJUSTMENT KNOB OPTION (Inch/mm) Available for all Model 72 pin styles: 72PE, 72PLE, 72PME, 72PXE, 72RPXE, 72XE, 72RXE, 72XLE, 72RXLE, 72RWE, 72XWE, 72RXWE Available options: 72XT- Side Adjustment (See 72X for Pin Configuration) 72PT- Top Adjustment (See 72P for Pin Configuration) .310.031 7.870.79 Electrical Adjustment .14 .005/3.56 .13 Dia. x .04 .003/1.02 .08 Wide x .063 .005/1.60 .13 Deep Slot O.330 .01 8.38 .13 Adjustment Knob Slot .220 .005/5.59 .13 Long x .040 .005/1.02 .13 Wide x .045 .005/1.14 .13 Min. Depth .206 .015 5.23 .38 .410 .02 10.41 .51 72PT Shown - Dimensions applicable to 72XT STANDARD RESISTANCE VALUES, OHMS 10 20 50 100 200 500 1K 2K 5K 10K 20K 25K 50K 100K 200K 250K 500K 1Meg 2Meg 1-58 Model 72 PACKAGING 1 Standard: Boxes Capacity Option: = 100 Units Tubes All units oriented with #1 pin to same side. Pin Style Width Height Length Capacity P, PM 0.47" 0.54" 20.5" 50 Units X, XL, XW, RW 0.29" 0.76" 20.1" 50 Units Magazine = = = = Option: Tape & Reel, Ammo Pack (Available only for 72RW only) All units oriented with #1 pin to the right of the direction of feed. Seat Plane to Centerline of Sprocket Hole Width Sprocket Capacity Diameter Tape Fold Box Tape Reel Ammo = = = = = = = .71" (18.03 mm) 18 mm Single Hole .50" spacing 1,000 Units 14" (356mm) 12" (305mm) 1.8" x 13" x 10" (46mm x 330mm x 254mm) 1-59 Model 72 ORDERING INFORMATION Standard: Model Series Pin Style Option: Pin Style 72 P R 10K LF RoHS Compliant Product Code - Optional Resistance Value Resistance Prefix 72 W R 10K LF TB Packaging Option: TB = Tubes (Pin styles P, PM, X, XL, XW, RW) RoHS Compliant Product Code - Optional 72 RW F R 10K LF TR Pin Style Pin Style Suffix: (Used with AP and TR packaging options. Applicable to pin style RW only. "F" designates 0.70" lead length.) Packaging Option: AP = Ammo pack TR = Tape & Reel (Pin style RW only) RoHS Compliant Product Code - Optional Option: Option: Pin Style 72 X T R 10K LF RoHS Compliant Product Code - Optional Adjustment Options: T = Knob Option Applicable to pin style X & P only. E = Extended Rotor Option Applicable to all pin styles. 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 1-60 Model 72 |
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