features wirewound and hybritron ? elements high rotational life optional 0.20 % linearity optional a/r lug rohs compliant* suitable for use under side load designed for hmi and mmi applications dual gang option servo mount option 3547 - 3-turn precision potentiometer *rohs directive 2002/95/ec jan 27, 2003 including annex. speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications. electrical characteristics 1 wirewound element hybritron element standard resistance range..................................................................1k to 50k ohms ......................................................1k to 10k ohms total resistance tolerance ....................................................................? % ...................................................... .................?0 % independent linearity ............................................................................?.25 % ..................... .............................................?.25 % independent linearity (maximum practical) ..........................................?.20 % ................................... ...............................?.20 % effective electrical angle .......................................................................1080 ?+10 ? -0 ? ....................................................1080 ?+10 ? -0 absolute minimum resistance/end voltage ..........................................1 ohm or 0.1 % maximum ...................... ................0.7 % maximum (whichever is greater) noise/output smoothness ....................................................................100 ohms maximum .................. .............................0.15 % maximum max. wiper current @ 5k ohms ...........................................................20 ma ................................. ....................................10 ma dielectric withstanding voltage (mil-std-202, method 301) sea level ...........................................................................................1,000 vac minimum ....... .......................................1,000 vac minimum insulation resistance (500 vdc) ..........................................................1,000 megohms minimum ............... .......................1,000 megohms minimum resolution..............................................................................................see how to order chart ........................................essentially in nite power rating (voltage limited by power dissipation) +70 ? ................................................................................................1 watts ....................... .............................................1 watts +125 ? ..............................................................................................0 watt ......................................................................0 watt environmental characteristics 1 operating temperature range dynamic .............................................................................................-40 ? to +125 ? ....... ............................................-40 ? to +125 ? static ..................................................................................................-55 ? to +125 ? ... ................................................-55 ? to +125 ? temperature coef cient (over static temperature range) ..................?0 ppm/? .......................................... ..................?00 ppm/? temperature cycling (5 cycles over static temperature range) .........? % tr shift max. ...................................... ...........? % tr shift max. vibration (15 gs, 10 hz to 2 khz) wiper bounce ....................................................................................0.1 ms max. ............................................................0.1 ms max. shock (100 gs, 6 ms sawtooth) wiper bounce ....................................................................................0.1 ms max. ............................................................0.1 ms max. load life (1,000 hours @ 70 ?) ...........................................................? % tr shift max. ................................................. ? % tr shift max. rotational life no load .............................................................................................750,000 shaft revolutions ......................................1,500,000 shaft revolutions powered (mil-prf-12934)................................................................600,000 shaft revolutions ............ ..........................1,200,000 shaft revolutions moisture resistance (mil-std-202, method 103) ...................................? % tr shift max. ........................... ......................? % tr shift max. ip rating ................................................................................................ip 50 ............... ........................................................ip 50 mechanical characteristics 1 mechanical angle .............................................................................................................. .............................................................................1080 ?+10 ? -0 backlash ...................................................................................................................... .............................................................................................. 1.0 ?max. stop strength.................................................................................................................. .....................................................................53 n-cm (75 oz-in.) min. torque starting ..................................................................................................................... ...................................................................0.5 n-cm (0.7 oz.-in.) max. running ...................................................................................................................... .................................................................0.5 n-cm (0.7 oz.-in.) max. clutch........................................................................................................................ ........................................................1.0 to 4.2 n-cm (1.5 to 6.0 oz.-in.) mounting ..................................................................................................................... ..................................................... 170-200 n-cm (15-18 in.-lb.) max. shaft runout t.i.r. ........................................................................................................... .......................................................................... 0.08 mm (0.003 in.) lateral runout t.i.r. ............................................................................................................................... .................................................... 0.13 mm (0.005 in.) shaft end play t.i.r. ......................................................................................................... ......................................................................... 0.15 mm (0.006 in.) shaft radial play t.i.r. ............................................................................................................................... ................................................ 0.08 mm (0.003 in.) pilot diameter runout t.i.r. .................................................................................................. ..................................................................... 0.08 mm (0.003 in.) weight single ....................................................................................................................... ............................................................................. 18 gm (0.63 oz.) typ. dual ......................................................................................................................... .............................................................................. 34 gm. (1.2 oz.) typ. shaft side load (max. allowable) nickel plated brass shaft w/brass bushing .................................................................................... ............................................................. 50 gmf (1.7 ozf) stainless steel shaft w/bronze bushing ....................................................................................... ............................................................. 250 gmf (8.8 ozf) terminals ..................................................................................................................... ......................................................................... gold-plated solder lugs soldering condition manual soldering ........................................................... 96.5sn/3.0ag/0.5cu solid wire or no-clean rosin co red wire, 370 ? (700 ?) max. for 3 seconds wave soldering ...................................................................................96.5sn/3.0ag/0.5cu solder wi th no-clean ux, 260 ? (500 ?) max. for 5 seconds wash processes ............................................................................................................... ........................................................................not recommended mounting hardware ............................................................................................. one lockwasher a nd one mounting nut is shipped with each potentiometer recommended panel thickness (bushing mount) ................................................................................... ...............................2.46-3.81 mm (0.097-0.150 in.) marking ....................................................................................................................... ....manufacturer? symbol, model number, product code and date code standard packaging ............................................................................................................ ............................................................... plastic trays (5 pcs./tray) 1 at room ambient: +25 ? nominal and 50 % relative humidity nominal, except as noted. for other options, please consult factory. *rohs compliant
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. 3547 - 3-turn precision potentiometer product dimensions single gang, bushing mount dual gang, bushing mount 30 5 12.649 0.254 (.498 .010) mounting face 16.256 (.640) max. r dia. 22.479 0.812 (.885 .032) dia. 6.86 0.25 (.270 .010) 1.52 (.060) 20.643 0.787 (.813 .031) 7.92 0.381 (.312 .015) shaft dimension ? 10.287 + 0.00/-0.05 (.405 +0.00/-.002) 12.7 0.254 (.500 .010) 6.02 0.381 (.237 .015) 0.813 (.032) 14.351 0.381 (.565 .015) 18.796 0.381 (.740 .015) mounting surface bushing type ? adj. slot: wide x 0.813 .0004 (.032 .010) deep 1.499 (.059) optional anti- rotational pin and 7.366 (.290) radius 1.016 (.040) from mounting surface on 26.467 0.762 (1.042 .030) 34.798 0.762 (1.370 .030) 39.243 0.762 (1.545 .030) 40.259 0.762 (1.585 .030) 2 2 1 1 3 3 1 3 cw ccw 1 3 cw clockwise ccw wiper 2 2 30 5 12.649 0.254 (.498 .010) mounting face 16.256 (.640) max. r dia. dia. 22.479 0.812 (.885 .032) 19.812 0.812 (.780 .032) 6.86 0.25 (.270 .010) 1.524 0.254 (.060 .010) 20.617 0.787 (.812 .031) 7.92 0.381 (.312 .015) shaft dimension ? 10.287 + 0.00/-0.05 (.405 +0.00/-.002) 12.7 0.254 (.500 .010) 5.715 0.381 (.225 .015) 0.762 (.030) 0.813 (.032) 14.046 0.381 (.553 .015) 18.446 0.381 (.726 .015) mounting surface bushing type ? adjustment slot: wide x 0.813 (.032) deep 1.499 (.059) optional anti- rotational pin and 7.366 (.290) radius 1.016 (.040) from mounting surface on r 2 1 3 tolerances: except where noted decimals: .xx .xxx .xxxx dimensions: 1 3 cw clockwise ccw 2 wiper .50 (.02) .127 (.005) .0127 (.0005) mm (in) shaft dimension "a" 6.34 +0/-0.022 (0.2497 +0/-0.0009) 6.00 +0/-0.022 (0.2362 +0/-0.0009) 6.34 +0/-0.007 (0.2497 +0/-0.0003) 6.00 +0/-0.007 (0.2362 +0/-0.0003) 6.34 +0/-0.007 (0.2497 +0/-0.0003) 6.00 +0/-0.007 (0.2362 +0/-0.0003) bushing selection code a b c d g h bushing type "b" 3/8 " 32-unef- 2a thd. m9 x 0.75-8g 3/8 " 32-unef- 2a thd. m9 x 0.75-8g 3/8 " 32-unef- 2a thd. m9 x 0.75-8g shaft material nickel plated brass nickel plated brass stainless steel stainless steel stainless steel stainless steel bushing material brass brass bronze bronze bronze bronze
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. 3547 - 3-turn precision potentiometer product dimensions single gang, servo mount dual gang, servo mount 30 5 16.256 (.640) max. r 22.225 0.381 (.875 .015) dia. 25.222 0.787 (.993 .031) 6.858 0.254 (.270 .010) 1.575 (.062) 1.575 (.062) 1.575 (.062) 9.525 0.787 (.375 .031) 3.1699 + .0000/-.0076 (.1248 + .0000/-.0003) dia. dia. 15.8725 + .0000/-.0127 (.6249 +.0000/-.0005) dia. 17.526 (.690) 12.7 0.254 (.500 .010) 11.13 0.381 (.438 .015) 19.46 0.381 (.766 .015) 23.86 0.381 (.939 .015) mounting surface 2 1 3 30 5 16.256 (.640) max. r 22.225 0.381 (.875 .015) dia. 6.858 0.254 (.270 .010) 1.575 (.062) 1.575 (.062) 1.575 (.062) 9.525 0.787 (.375 .031) 3.1699 + .0000/-.0076 (.1248 + .0000/-.0003) dia. dia. 15.8725 + .0000/-.0127 (.6249 +.0000/-.0005) dia. 17.526 (.690) 12.7 0.254 (.500 .010) 11.43 0.381 (.450 .015) 19.76 0.381 (.778 .015) 24.206 0.381 (.953 .015) mounting surface 2 2 1 1 3 3 31.88 0.78 (1.255 .031) 40.21 0.78 (1.583 .031) 44.65 0.78 (1.758 .031) 45.67 0.78 (1.798 .031) 1 3 cw ccw 1 3 cw clockwise ccw wiper 2 2 tolerances: except where noted decimals: .xx .xxx .xxxx dimensions: 1 3 cw clockwise ccw 2 wiper .50 (.02) .127 (.005) .0127 (.0005) mm (in)
3547 - 3-turn precision potentiometer panel thickness dimensions (for bushing mount only) panel pot lockwasher hex nut 2.46 - 3.81 (.097 - .150) 1.60 +.08/-.03 (.063 +.003/-.001) 10.44 .07 (.411 .003) dia. dia. additional hole for anti-rotation pin mm (inches) dimensions: anti-rotation pin hole is shown at six o'clock position for reference only. the actual location is determined by the customer's application. refer to the front view of the potentiometer to see the location of the optional a/r pin. panel thickness and hole diameters are recommended for best fit. however, customers may adjust the dimensions to suit their specific application. tolerances: 7.42 (.292) r 0.127 (.005) how to order 3547s- 2aa-103/ 103a code h s description hybritron? wirewound element type code a b description none 180 anti-rotation lug* code 3547 description 3-turn model designator code 1 2 description single dual no. of sections code a b description 0.25 % 0.20 % independent linearity code a b c d g h shaft fms 13/16 " 20.6 mm 13/16 " 20.6 mm 13/16 " 20.6 mm shaft material nickel plated brass nickel plated brass stainless steel stainless steel stainless steel stainless steel shaft dia. 1/4 " 6 mm 1/4 " 6 mm 1/4 " 6 mm bushing dia. 3/8 " 9 mm 3/8 " 9 mm 3/8 " 9 mm bushing material brass brass bronze bronze bronze bronze slip clutch n/a n/a n/a n/a yes*** yes*** bushing mount code e shaft fms 3/8 " shaft material stainless steel shaft dia. 1/8 " servo mount code element type hybritron? hybritron? hybritron? wirewound wirewound wirewound wirewound wirewound wirewound wirewound wirewound resolution ? ? ? 0.069 0.054 0.043 0.04 0.038 0.029 0.023 0.017 resistance** 102 (1k ohms) 502 (5k ohms) 103 (10k ohms) 201 (200 ohms) 501 (500 ohms) 102 (1k ohms) 202 (2k ohms) 502 (5k ohms) 103 (10k ohms) 203 (20k ohms) 503 (50k ohms) ** for single gang, use only first three digits. for dual gang, use six digits separated by a "/". * anti-rotation lug is not available for servo mount versions. *** not available in dual gang version. ?hybritron? is a registered trademark of bourns, inc. speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications. rev. 10/11
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