*rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. 3543/3545 - precision potentiometer features bushing mount optional ar pin feature non-standard features and specifications available gangable electrical characteristics 1 3543 3-turn 3545 5-turn standard resistance range ..............20 to 50 k ohms ......................50 to 50 k ohms total resistance tolerance ................5 % ........................................5 % independent linearity ........................0.25 % ....................................0.25 % effective electrical angle ....................1080 +10 , -0 ....................1800 +10 , -0 absolute minimum resistance/..........1 ohm or 0.1 % maximum........1 ohm or 0.1 % maximum minimum voltage (whichever is greater) (whichever is greater) noise ..................................................100 ohms enr maximum ........100 ohms enr 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 224 vac [3543] or 273 vac [3545], whichever is less) +70 c ............................................1 watt........................................1.5 watt +125 c ..........................................0 watt........................................0 watt insulation resistance (500 vdc) ........1,000 megohms minimum ........1,000 megohms minimum resolution ............................................see recommended part nos. ....see recommended part nos. environmental characteristics 1 operating temperature range ..........+1 c to +125 c ......................+1 c to +125 c storage temperature range ..............-55 c to +125 c ....................-55 c to +125 c temperature coefficient over storage temperature range 2 ........50 ppm/c maximum/unit ......50 ppm/c 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, 1 watt ..................1,000 hours, 1.5 watts total resistance shift ....................2 % maximum ........................2 % maximum rotational life (no load)....................300,000 shaft revolutions ........500,000 shaft revolutions total resistance shift ....................5 % maximum ........................5 % maximum moisture resistance (mil-std-202, method 103, condition b) total resistance shift ....................2 % maximum ........................2 % maximum ip rating ............................................ip 40 ........................................ip 40 mechanical characteristics 1 stop strength.................................................................................................53 n-cm (75 oz.-i n.) min. mechanical angle..................................................1080 +10 , -0 (3543); 1800 +10 , -0 (3545) torque (starting & running)......................................................................0.35 n-cm (0.5 oz.-in.) max. mounting..............................................................................................170-200 n-cm (15-18 lb.-i n.) 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 ...............................................................................................0.25 mm (0.010 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....................recommended hand soldering using sn95/ag5 no clean solder, 0.025 wire diameter. maximum temperature 399 c (750 f) for 3 seconds. no wash process to be used with no clean flux. marking .................................................manufacturers 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 c nominal and 50 % relative humidity nominal, except as noted. 2 consult manufacturer for complete specification details. recommended part numbers part number* resistance resolution ( ? )(%) 3543s-1-102l 1,000 .077 3543S-1-202l 2,000 .062 3543s-1-502l 5,000 .047 3543s-1-103l 10,000 .040 part number resistance resolution ( ? )(%) 3545s-1-102l 1,000 .043 3545s-1-202l 2,000 .044 3545s-1-502l 5,000 .038 3545s-1-103l 10,000 .029 3543s-1/3545s-1 1 18.3 (.72) 5.72 .38 (.225 .015) 10.31+ .00/ - .05 (.406+.000/-.002) 3/8 " 32-unef-2athd adjustment slot wide x .81.25 deep 2 3 1.52 (.06) 7.92 .38 (.312 .015) 19.05 .38 (.750 .015) 20.62 .79 (.812 .031) 30 5 6.35 (.25) 22.23 .38 (.875 .015) mtg. face 15.88 dia. min. 12.45 (.49) 1 3 cw clockwise ccw 2 wiper 14.35 .38 (.565 . 015) dia. (.032.0160) .81 (.032) 6.342 + .000/ - .023 (.2497+.0000/-.0009) dia. optional antirotation lug (-91) 1.42 x .50 on 7.4 radius length 1.27 from mounting surface. (suggested panel hole 1.6 dia.) (.056 x .02) (.29) (.063) (.625) tolerances: except where noted .25 .13 decimals: .xx (.010), .xxx (.005) fractions: 1/64 mm dimensions: (in.) add .75 (19 mm) for additional cups. .25 (.010) x 45 chamfer 15.88 (.625) r max. boldface listings are in stock and readily available through distribution. for servo mount version and other options consult factory. rohs identifier: l = compliant blank = non-compliant rev. 02/06 *rohs compliant versions available
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