features bushing mount excellent resolution non-standard features and speci cations available small diameter high rotational life rohs compliant* 3700/3701 - precision potentiometer ?ybritron?is a registered trademark of bourns, inc. *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. electrical characteristics 1 3700 wirewound element 3701 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 ? -2 absolute minimum resistance/ ........... 1 ohm or 0.1 % maximum ..........minimum voltage minimum voltage (whichever is greater) 0.2 % maximum noise .................................................. 100 ohms enr maximum ..........output smoothness 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 315 vac, whichever is less) +70 ? .............................................. 1 watt..........................................1 watt +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 ............ +1 ? to +125 ? ........................+1 ? to +105 ? storage temperature range ............... -65 ? to +125 ? .......................-55 ? to +105 ? temperature coef cient over storage temperature range 2 ......... ?0 ppm/? maximum/unit .........?00 ppm/? maximum/unit vibration .............................................. 20 g ...........................................20 g wiper bounce .................................. 0.1 millisecond maximum ...........0.1 millisecond maximum shock................................................... 100 g .........................................100 g wiper bounce .................................. 0.1 millisecond maximum ...........0.1 millisecond maximum load life .............................................. 1,000 hours, 1 watt.....................1,000 hours, 1 watt total resistance shift ...................... ? % maximum ..........................? % maximum rotational life (no load)..................... 1,000,000 shaft revolutions 2 .....4,000,000 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.......................................................................................... 14 n-cm (20 oz-in.) mini mum mechanical angle ......................................................................................................3600 ?+ 20 ? -0 torque (starting & running) .....................................................................0.45 n-cm (0.6 oz.-in.) max. mounting ..................................................................................... 170-200 n-cm (15-18 lb.-in.) max . shaft runout.................................................................................................0.05 mm (0.002 in. ) t.i.r. lateral runout ..............................................................................................0.13 mm (0.005 in. ) t.i.r. shaft end play ..............................................................................................0.13 mm (0.005 in. ) t.i.r. shaft radial play ..........................................................................................0.08 mm (0.003 in.) t.i.r. pilot diameter runout ..................................................................................0.05 mm (0.002 in.) t.i .r. backlash ...................................................................................................................... . 1.0 ?maximum weight .................................................................................................................approxi mately 28 gm terminals ............................................gold-plated solderlugs (3700) or gold-plated turret lugs (3701) 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.) ................................................................................. 1 cup maximum hardware ................................................... one lockwasher (h-37-1) and one mounting unit (h-38-1) 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. *rohs compliant schematic recommended part numbers part number resistance ( ) resolution (% max.) 3700S-1-102L 1,000 0.05 3700s-1-202l 2,000 0.04 3700s-1-502l 5,000 0.04 3700s-1-103l 10,000 0.03 part number resistance ( ) 3701h-1-102l 1,000 3701h-1-202l 2,000 3701h-1-502l 5,000 3701h-1-103l 10,000 rev. 11/13 boldface listings are in stock and readily available through distribution. for other options consult factory. rohs identifier: l = compliant* 13 ccw cw cw 2 asia-paci c: tel: +886-2 2562-4117 fax: +886-2 2562-4116 emea: tel: +36 88 520 390 fax: +36 88 520 211 the americas: tel: +1-951 781-5500 fax: +1-951 781-5700 www.bourns.com
3700/3701 - precision potentiometer product dimensions speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. rev. 11/13 3.30 (.13) 11.11 (7/16) ccw cw 1/4"-32-unef-2athd 1.52 (.06) wiper 90 ??5 7 ??2 lockwasher and mounting nut to be supplied with each unit 7.14 (.281) 25.40 ?0.51 (1.00 ?.02) 2.37 + .00/- .01 (.0935+.0000/-.0003) dia. 7.14 + .00/-.01 (.281+.000/-.002) dia. 17.46 ?0.80 (11/16 ?1/32) adjustment slot 0.81 wide x (.032) 0.81 ?.25 deep (.032 ?.010) 9.53 (3/8) 12.7 (1/2) .25 (.010) x 45?chamfer 90 ??5 lockwasher and mounting nut to be supplied with each unit adjustment slot 0.81 wide x (.032) 0.81 deep (.032) 1/4?32 unef-2athd 23.81 (15/16) 5.08 (.200) 17.46 ?0.79 (11/16 ?1/32) 7.14 (9/32) 4.52 ?0.38 (.178 ?.015) 20.37 ?0.38 (.802 ?.015) 25.40 ?0.51 (1.00 ?.02) 9.53 (3/8) 12.70 (1/2) 12.45 (0.49) 7.14 +.00/-.05 (.281 +.000/-.002) 2.37 +.00/-.01 (.0935 +.0000/-.0003) ccw r max. wiper cw 1.52 (.06) 3700s-1 3701h-1 tolerances: except where noted .25 .13 decimals: .xx (.010) .xxx (.005) fractions: 1/64 mm dimensions: (in)
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