features bushing mount optional center tap and rear shaft extension optional ar lug feature gangable with common or concentric shafts high torque available non-standard features and speci cations available rohs compliant* 3540/3541 - precision potentiometer speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. electrical characteristics 1 3540 wirewound element 3541 hybritron element standard resistance range................ 100 to 100 k ohms .....................1 k to 100 k ohms total resistance tolerance .................. ? % ...........................................?0 % independent linearity .......................... ?.25 % ......................................?.25 % effective electrical angle ..................... 3600 ?+10 ? -0 ?.......................3600 ?+10 ? -0 absolute minimum resistance/ ........... 1 ohm or 0.1 % maximum ..........0.2 % maximum minimum voltage ............................. (whichever is greater) noise/output smoothness .................. 100 ohms enr maximum ..........0.1 % maximum dielectric withstanding voltage (mil-std-202, method 301) sea level ......................................... 1,000 vac minimum ..................1,000 vac minimum power rating (voltage limited by power dissipation or 447 vac, whichever is less) +70 ? .............................................. 2 watts ........................................2 watts +125 ? ............................................ 0 watt..........................................0 watt insulation resistance (500 vdc) ........ 1,000 megohms minimum ..........1,000 megohms minimum resolution............................................ see recommended part nos. .....essentially in nite environmental characteristics 1 operating temperature range ............ -40 ? to +125 ? .......................-40 ? to +125 ? storage temperature range ............... -55 ? to +125 ? .......................-55 ? to +125 ? temperature coef cient over storage temperature range 2 .......... ?0 ppm/? maximum/unit .........?00 ppm/? maximum/unit vibration .............................................. 15 g ...........................................15 g wiper bounce .................................. 0.1 millisecond maximum ...........0.1 millisecond maximum shock................................................... 50 g ...........................................50 g wiper bounce .................................. 0.1 millisecond maximum ...........0.1 millisecond maximum load life .............................................. 1,000 hours, 2 watts ...................1,000 hours, 2 watts total resistance shift ...................... ? % ...........................................? % rotational life (no load)..................... 1,000,000 shaft revolutions 2 .....5,000,000 shaft revolutions 2 total resistance shift ...................... ? % maximum ..........................? % maximum moisture resistance (mil-std-202, method 103, condition b) total resistance shift ...................... ? % maximum ..........................? % maximum ip rating .............................................. ip 40 ...........................................ip 40 mechanical characteristics 1 stop strength.......................................................................................... 53 n-cm (75 oz-in.) minimum mechanical angle ......................................................................................................3600 ?+ 10 ? -0 to r q u e starting & running @ +25 ? ...............................................................0.49 n-cm (0.7 oz.-in.) max. starting & running @ -40 ? ................................................................1.76 n-cm (2.5 oz.-in.) max. mounting ..................................................................................... 170-200 n-cm (15-18 lb.-in.) max . shaft runout.................................................................................................0.08 mm (0.003 in. ) t.i.r. lateral runout ..............................................................................................0.13 mm (0.005 in. ) t.i.r. shaft end play ..............................................................................................0.30 mm (0.012 in. ) t.i.r. shaft radial play ..........................................................................................0.08 mm (0.003 in.) t.i.r. pilot diameter runout ..................................................................................0.08 mm (0.003 in.) t.i .r. backlash ...................................................................................................................... . 1.0 ?maximum weight .................................................................................................................approxi mately 21 gm terminals ......................................................................................................... gold-plated solder lugs soldering condition manual soldering........................................................... 96.5sn/3.0ag/0.5cu solid wire or no-clean rosin cored wire; 370 ? (700 ?) max. for 3 seconds wave soldering .................... 96.5sn/3.0ag/0.5cu solder with no-clean ux; 260 ? (500 ?) max. for 5 seconds wash processes ..................................................................................................not recommend ed marking ................................................. manufacturer s name and part number, resistance value and tolerance, linearity tolerance, wiring diagram, and date code ganging (multiple section pots.) ............................................................................... 2 cups maximum hardware .................................................... one lockwasher (h-37-2) and one mounting nut (h-38-2) is shipped with each potentiometer. 1 at room ambient: +25 ? nominal and 50 % relative humidity nominal, except as noted. 2 consult manufacturer for complete speci cation details. product dimensions boldface listings are in stock and readily available through distribution. for other options consult factory. rohs identifier: l = compliant recommended part numbers part number resistance ( ) resolution 3540s-1-201l 200 .042 3540s-1-501l 500 .031 3540s-1-102l 1,000 .027 3540s-1-202l 2,000 .021 3540s-1-502l 5,000 .021 3540s-1-103l 10,000 .019 3540s-1-203l 20,000 .014 3540s-1-503l 50,000 .011 3540s-1-104l 100,000 .008 *rohs compliant part number resistance () 3541h-1-102l 1,000 3541h-1-202l 2,000 3541H-1-502L 5,000 3541h-1-103l 10,000 3541h-1-203l 20,000 3541h-1-503l 50,000 3541h-1-104l 100,000 3540s-1/3541h-1 1 5.72 ?.38 (.225?015) 10.32 +.00/.05 (.406+.000/-.002) 3/8 " 32-unef-2athd adjustment slot .81 wide x .81?25 deep 2 3 1.52 (.06) 7.92 ?.38 (.312 .015) 19.05 ?.38 (.750 .015) 30 ?5 6.35 (.25) 22.23 ?.38 (.875 .015) mtg. face 12.45 (.49) optional antirotation lug (-91) 1.42 x .50 on 7.4 radius. length 1.27 from mounting surface. (suggested panel hole 1.6 dia.) 1 3 cw clockwise ccw 2 wiper 18.3 (.72) 14.35 ?.38 (.565?015) dia. (.032) (.032?010) 6.342 + .000/ - .023 (.2497+.0000/-.0009) dia. 20.62 ?.79 (.812 ?.031) 15.88 (.625) dia. min. 15.88 (.625) tolerances: except where noted .25 .13 decimals: .xx (.010), .xxx (.005) fractions: ?/64 mm dimensions: (in.) .25 (.010) x 45 ?chamfer r max.
3540/3541 - precision potentiometer panel thickness dimensions panel pot lockwasher hex nut 2.46 - 3.81 (.097 - .150) ?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. 11/12 1.60 +.08/-.03 (.063 +.003/-.001) 10.44 .07 (.411 .003) dia. dia. additional hole for anti-rotation pin 7.42 (.292) r 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: 0.127 (.005)
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