3680 family - precision potentiometer features repeatable settings resolution to 0.001 % digital display provides excellent readability snap-in panel mount 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 mi nimum 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 minimum 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 % full scale environmental characteristics 1 operating temperature range ...................................................................................-25 ? to +85 ? storage temperature range.......................................................................................-25 ? to +85 c temperature coefficient over storage temperature range ...........................?00 ppm/? maximum vibration ...................................................................................................................... ...................10 g wiper bounce ...........................................................................................0.1 millisecond maximum total resistance shift ..............................................................................................? % maximu m voltage ratio shift ................................................................................................?.2 % maxim um shock .......................................................................................................................... ...................50 g wiper bounce ...........................................................................................0.1 millisecond maximum total resistance shift ..............................................................................................? % maximu m voltage ratio shift ................................................................................................?.2 % maxim um load life ...............................................................................................................1,000 h ours, 2 watts total resistance shift ..............................................................................................? % maximu m rotational life .........................................................................75,000 button operations each decade total resistance shift ..............................................................................................? % maximu m 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 ........................recommended hand soldering using sn95/ag5 no clean solder, 0.025 ?wire diameter. maximum temperature 399 ? (750 ?) for 3 seconds. no wash process to be used with no clean flux. marking ...............................manufacturer s name and part number, resistance value and date code. ganging (multiple section potentiometers) ...............................................up to 5 decades maximum readout marking ........................................................................................................10 posit ions, 0-9 actuating force ...................................................................................19 to 29 oz. on detent decade s actuating force variation ..............................................................................................4 oz. ma ximum 1 at room ambient: +25 c nominal and 50 % relative humidity nominal, except as noted. note: terminals 1 & 3 are reversed from illustration for models 3682 and 3684. 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.) product dimensions 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. specifications are subject to change without notice. customers should verify actual device performance in their specific applications.
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. 3680 family - precision potentiometer resistance 3681s-1 3682s-1 3683s-1 3684s-1 3685s-1 ( ? ) 123 45 decade decade decade decade decade 50 -500 100 -101 200 -201 500 -501 -501 1,000 -102 -102 -102 2,000 -202 -202 -202 5,000 -502 -502 -502 10 k -103 -103 -103 -103 20 k -203 -203 -203 50 k -503 -503 -503 100 k -104 -104 -104 -104 -104 500 k -504 -504 -504 1 meg -105 -105 -105 -105 recommended part numbers boldface listings are in stock and readily available through distribution. for other options consult factory. rev. 11/04
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