3600 - 10-turn precision knobpot features bushing mount cost saving; pre-phased highly readable clockface readout easy mounting electrical characteristics 1 standard resistance range ...................................................................................100 to 100 k ohms total resistance tolerance ..................................................................................................... ......? % effective electrical angle ...............................................................................................3600 nominal absolute minimum resistance.................................1 ohm or 0.1 % maximum (whichever is greater) noise.............................................................................................................100 ohms enr maximum dielectric withstanding voltage (mil-std-202, method 301) sea level ..........................................................................................................1,000 vac mi nimum 70,000 feet..........................................................................................................400 vac mi nimum power rating (voltage limited by power dissipation or 385 vac, whichever is less) +25 ? ........................................................................................................................ ........1.5 watts +85 ?......................................................................................................................... .............0 watt insulation resistance (500 vdc)..................................................................1,000 megohms minimum resolution ........................................................................................see recommended part numbers accuracy (correlation of dial readout to voltage ratio output) .........................?.5 % voltage ratio repeatability of dial readout ...............................................................................?.1 % voltage rati o environmental characteristics 1 operating temperature range.....................................................................................+1 ? to +85 ? storage temperature range.......................................................................................-65 ? to +85 c temperature coefficient over storage temperature range........................?0 ppm/? maximum/unit 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 hour s, 1.5 watts total resistance shift ..............................................................................................? % maximu m rotational life (no load)...............................................................................100,000 shaft revolutio ns total resistance shift ..............................................................................................? % maximu m moisture resistance (mil-std-202, method 103, condition b) total resistance shift ..............................................................................................? % maximu m ip rating ...................................................................................................................... ..................ip 60 mechanical characteristics 1 stop strength.........................................................................................14 n-cm (20 oz.-in.) mini mum mechanical angle ......................................................................................................3600 +20 ? -0 torque (starting) .........................................................0.21 to 5.65 n-cm (0.3 to 8.0 oz.-in.) maximum torque (running) ...............................................................................5.65 n-cm (8.0 oz.-in.) maximum variation ........................................................................................0.71 n-cm (1.0 oz.-in.) maximu m mounting.............................................................................170-200 n-cm (15-18 lb.-in.) maximum backlash ....................................................................................................................... .1.0 maximum weight..................................................................................................................approxi mately 17 gm terminals ..............................................................................................................gold-pla ted j-hooks 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. markings...............................manufacturer s name and part number, resistance value and tolerance, linearity tolerance, wiring diagram, and date code. part number resistance resolution ( ? )(%) 3600s-1-102 1,000 .035 3600S-1-502 5,000 .027 3600s-1-103 10,000 .022 recommended part numbers boldface listings are in stock and readily available through distribution. for other options consult factory. 0 5 4 3 2 1 9 8 7 6 k n o b p o t 1 2 3 19.10 (3/4) non-turn pin extends 1.70 .13 (.067 .005) pilot dia. 10.26 .05 (.404 .002) 3/8 "- 32 unef-2a thd non-turn pin extends 1.70 .13 (.067 .005) panel hole pattern 1 3 cw clockwise ccw 2 wiper dia. 25.40 .80 (1.00 .03) 8.73 (11/32) 19.10 (3/4) dia. (.156) max. - (.060) min. panel thickness 3.96 1.52 #21 awg gold plated grade a nickel solder lugs (.0285) located on .05 radius .724 3.18 .79 (1/8 1/32) 1.40 .38 (.055 .015) i.d. 4.76 .79 (3/16 1/32) dia. 1.98 + .08/ - .03 (.078 +.003/-.001) 7.11 (.280) 10.41 .08 (.410 .003) tolerances: except where noted .25 .13 decimals: .xx (.010), .xxx (.005) fractions: 1/64 mm dimensions: (in.) dia. 1 at room ambient: +25 ? nominal and humidity nominal, except as noted. rev. 02/06 specifications are subject to change without notice. customers should verify actual device performance in their specific applications. ?nobpot?is a registered trademark of bourns, inc. model 3600 is currently available, although not recommended for new designs. model 3590 w/model h-23 is preferred.
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