3680 7.77 .38 (.306 .015) 1 2 3 2 3 1 a c d b panel e 8.38 .38 (.33 .015) 1 3 incr. 2 wiper 7.87 (.31) 20.57 (.810) 23.62 (.93) 3.18 (.125) min. .81 (.032) max. 3.18 (.125) 26.67 (1.050) tolerances: except where noted .38 .13 decimals: .xx (.015) .xxx (.005) fractions: 1/64 mm dimensions: (in.) features repeatable settings resolution to 0.001 % digital display provides excellent readability snap-in panel mount rohs compliant* 3680 family - precision potentiometer *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 performance may vary over time. users should verify actual device performance in their speci c applications. electrical characteristics 1 standard resistance range.........................................................................................10 ohms to 1 megohm total resistance tolerance .......................................................................................................................? % dielectric withstanding voltage (mil-std-202, method 301) sea level .................................................................................................................... 1,000 vac minimum power rating (voltage limited by power dissipation or 500 vac, whichever is less) +25 ? ...................................................................................................................... ....................... 2 watts +85 ? ....................................................................................................................... ......................... 0 watt insulation resistance (500 vdc) ........................................................................... 1,000 megohms minimu m resolution 3681 ......................................................................................................................... ............................10 % 3682 ......................................................................................................................... ..............................1 % 3683 ......................................................................................................................... ...........................0.1 % 3684 ......................................................................................................................... .........................0.01 % 3685 ......................................................................................................................... .......................0.001 % absolute minimum resistance .......................................... 3 ohms or 0.2 % maximum (whichever is greater) accuracy (dial reading to output ratio)................................................................................?.0 % f ull scale environmental characteristics 1 operating temperature range .............................................................................................. -25 c to +85 ? storage temperature range ................................................................................................. -25 ? to +85 ? temperature coef cient over storage temperature range ...................................... ?00 ppm/? maximum vibration ..................................................................................................................... .............................. 10 g wiper bounce ...................................................................................................... 0.1 millise cond maximum total resistance shift ....................................................................................................... ... ? % maximum voltage ratio shift .......................................................................................................... .. ?.2 % maximum shock.......................................................................................................................... .............................. 50 g wiper bounce ...................................................................................................... 0.1 millise cond maximum total resistance shift ....................................................................................................... ... ? % maximum voltage ratio shift .......................................................................................................... .. ?.2 % maximum load life ..................................................................................................................... ..... 1,000 hours, 2 watts total resistance shift ....................................................................................................... ... ? % maximum rotational life..................................................................................... 75,000 button operations ea ch decade total resistance shift ....................................................................................................... ... ? % maximum ip rating ..................................................................................................................... ............................. ip 40 mechanical characteristics 1 weight .............................................3681 (9 gm); 3682 (16 gm); 3683 (23 gm); 3684 (30 gm); 3685 (37 gm) terminals ............................................................................ 2.79 mm (0.11 in.) wide x .41 mm (.016 in .) thick, tinned solder lugs for 3 #20 awg wires soldering condition manual soldering...................................................................... 96.5sn/3.0ag/0.5cu solid wire or no-c lean 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 ............................................................................................................. no t recommended marking ...........................................manufacturer s name and part number, resistance value and date code. ganging (multiple section potentiometers) ........................................................... up to 5 decades maximum readout marking ............................................................................................................... .... 10 positions, 0-9 actuating force .............................................................................................. 19 to 29 oz. on d etent decades actuating force variation ..................................................................................................... ... 4 oz. maximum 1 at room ambient: +25 ? nominal and 50 % relative humidity nominal, except as noted. note: terminals 1 & 3 are reversed from illustration for models 3682 and 3684. product dimensions *rohs compliant product dimensions dimensions weight (approx.) model a b c d e .381 (.015) oz. gms. 3681 16.51 (.650) 14.99 (.590) ? 9.91 (.39) 4.19 (.165) .336 9.5 3682 26.67 (1.05) 25.15 (.99) 10.67 (.42) 11.94 (.47) 8.38 (.330) .576 16.5 3683 37.08 (1.46) 35.31 (1.39) 18.54 (.73) 11.94 (.47) 4.19 (.165) .824 23.5 3684 47.50 (1.87) 45.47 (1.79) 30.73 (1.21) 11.94 (.47) 8.38 (.330) 1.072 30.5 3685 57.66 (2.270) 55.63 (2.190) 39.12 (1.540) 11.94 (.47) 4.19 (.165) 1.320 37.5 dimensions model f .010 (.254) g .010 (.254) 3681 21.08 (.830) 15.75 (.620) 3682 21.08 (.830) 25.91 (1.020) 3683 21.08 (.830) 36.07 (1.420) 3684 21.08 (.830) 46.23 (1.820) 3685 21.08 (.830) 56.39 (2.220) recommended panel cutout f g .76 (.03) r max.
3680 family - precision potentiometer recommended part numbers 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. 09/13 resistance 3681s-1 3682s-1 3683s-1 3684s-1 3685s-1 ( ) 1 2 3 4 5 decade decade decade decade decade 50 -500l 100 -101l 200 -201l 500 -501l -501l 1,000 -102l -102l -102l 2,000 -202l -202l -202l 5,000 -502l -502l -502l 10 k -103l -103l -103l -103l 20 k -203l -203l -203l 50 k -503l -503l -503l 100 k -104l -104l -104l -104l -104l 500 k -504l -504l -504l 1 meg -105l -105l -105l -105l boldface listings are in stock and readily available through distribution. for other options consult factory. rohs identifier: l = compliant
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