1 mechanical stops solid torque, starting maximum 3 oz.-in. (0.021 n-m) weight, nominal .025 oz. (0.70 grams) model 72 3/8?square single turn cermet trimming potentiometer electrical standard resistance range, ohms 10 to 2meg standard resistance tolerance ?0% (<100 ohms = ?0%) input voltage, maximum 200 vdc or rms not to exceed power rating slider current, maximum 100ma or within rated power, whichever is less power rating, watts 0.5 at 85? derating to 0 at 125? end resistance, maximum 2 ohms actual electrical travel, nominal 244 dielectric strength 900 vrms insulation resistance, minimum 1,000 megohms resolution essentially infinite contact resistance variation, maximum 1% or 1 ohm, whichever is greater environmental fluorinert?is a registered trademark of 3m company. specifications subject to change without notice. 1-55 model 72 seal 85? fluorinert?(no leaks) temperature coefficient, maximum ?00ppm/? operating temperature range ?5? to +125? thermal shock 5 cycles, ?5? to +125? (1% ? rt, 1% ? vr) moisture resistance ten 24 hour cycles (1% ? rt, ir 100 megohms min.) shock, 6ms sawtooth 100g? (1% ? rt, 1% ? vr) vibration 20g?, 10 to 2,000 hz (1% ? rt, 1% ? vr) high temperature exposure 250 hours at 125? (2% ? rt, 2% ? vr) rotational life 200 cycles (3% ? rt) load life at 0.5 watts 1,000 hours at 70? (2% ? rt) resistance to solder heat 260? for 10 sec. (1% ? rt) mechanical
1-56 model 72 .015 .010 .38 .3 .100 .010 2.5 .3 .187 .015 4.75 .38 .100 .010 2.5 .3 1 3 2 .015 .010 .38 .3 .150 .010 3.8 .3 .187 .015 4.75 .38 .150 .010 3.8 .3 2 3 model 72rpx - terminals 1 and 3 are reversed 1 model 72pl model 72px, 72rpx .187 .015 4.75 .38 .10 .010 2.5 .3 .200 .010 5.1 .3 .100 .010 2.5 .3 .100 .010 2.5 .3 .187 .015 4.75 .38 1 2 3 model 72pm top adjustment (inch/mm) .375 .015 9.53 .38 3 1 2 .187 .015 4.75 .38 .100 .010 2.5 .3 .375 .015 9.53 .38 .100 .010 2.5 .3 .100 .010 2.5 .3 .015 .002 .38 .05 .187 .015 4.75 .38 .206 .015 5.23 .38 .180 4.6 .187 .015 4.75 .38 .021 .003/.53 .08 solderable terminals standoffs min. electrical adjustment .13 .005/3.3 .13 long x .03 .003/.76 .08 wide x .038 .005/.96 .13 deep model no., resistance value and date code marked on side model 72p .100?010 2.5?3 .160?015 4.6?38 .187?015 4.75?38 .100?010 2.5?3 .100?010 2.5?3 3 1 2 model 72rp note: model 72p dimensions applicable to all other models except as noted.
1 1-57 model 72 1-57 side adjustment (inch/mm) .017 .003 .43 .08 .100 .010 2.5 .3 .100 .010 2.5 .3 .050 .015 1.27 .38 .100 .010 2.5 .3 .187 .015 4.75 .38 .386 9.80 3 2 1 standoffs model 72rx - terminals 1 and 3 are reversed model 72x, 72rx .017 .003 .43 .08 .150 .010 3.8 .3 .150 .010 3.8 .3 .140 .015 3.56 .38 .187 .015 4.75 .38 3 2 1 standoffs model 72rxw - terminals 1 and 3 are reversed .017 .003 .43 .08 .100 .010 2.5 .3 .100 .010 2.5 .3 .100 .015 2.5 .38 .187 .015 4.75 .38 3 2 1 standoffs .140 .015 3.56 .38 72rw 72xl, 72rxl model 72rxl and 72rw - terminals 1 and 3 are reversed model 72xw, 72rxw model 72xl, 72rxl, 72rw
10 100 1k 10k 50k 250k 2meg 20 200 2k 20k 100k 500k 50 500 5k 25k 200k 1meg standard resistance values, ohms 1-58 model 72 adjustment knob option (inch/mm) .410 .02 10.41 .51 .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 72pt shown - dimensions applicable to 72xt available options: 72xt- side adjustment (see 72x for pin configuration) 72pt- top adjustment (see 72p for pin configuration) extended rotor option (inch/mm) .310 .031 7.87 0.79 .206 .015 5.23 .38 electrical adjustment .14 .005/3.56 .13 dia. x .04 .003/1.02 .08 wide x .063 .005/1.60 .13 deep slot available for all model 72 pin styles: 72pe, 72ple, 72pme, 72pxe, 72rpxe, 72xe, 72rxe, 72xle, 72rxle, 72rwe, 72xwe, 72rxwe
1 1-59 model 72 packaging standard: boxes capacity = 100 units option: tubes all units oriented with #1 pin to same side. pin style p, pm x, xl, xw, rw magazine width = 0.47 0.29 height = 0.54 0.76 length = 20.5 20.1 capacity = 50 units 50 units 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 = .71?(18.03 mm) tape width = 18 mm sprocket = single hole .50?spacing capacity = 1,000 units reel diameter = 14?(356mm) ammo tape fold = 12?(305mm) box = 1.8?x 13?x 10?(46mm x 330mm x 254mm)
1-60 model 72 ordering information 72 p r 10k lf model series pin style rohs compliant product code - optional resistance value resistance prefix 72 w r 10k lf tb pin style 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 72 x t r 10k lf pin style adjustment options: t = knob option applicable to pin style x & p only. e = extended rotor option applicable to all pin styles. rohs compliant product code - optional standard: option: circuit diagram (1) (2) (3) cw notes mm inch 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 option: option:
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