Features RoHS compliant* Bushing mount Sealable Non-standard features and speci cations available Optional high torque feature Optional center tap feature Gangable 3500/3501 - Precision Potentiometer 1 Electrical Characteristics 3500 Wirewound Element 3501 Hybritron Element Standard Resistance Range.................................................... 50 to 200 K ohms ..........................................1 K to 200 K ohms Total Resistance Tolerance ...................................................... 3 % ..............................................................10 % Independent Linearity .............................................................. 0.20 % .........................................................0.25 % Effective Electrical Angle ......................................................... 3600 +10 , -0 ...........................................3600 +10 , -2 Absolute Minimum Resistance/Minimum Voltage.................... 1 ohm or 0.1 % maximum ..............................0.2 % maximum (whichever is greater) Noise ...................................................................................... 100 ohms ENR maximum ..............................Output smoothness 0.1 % max. Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level ............................................................................. 1,500 VAC minimum ......................................1,500 VAC minimum 70,000 Feet ......................................................................... 400 VAC minimum .........................................400 VAC minimum Power Rating (Voltage Limited By Power Dissipation or 325 VAC, Whichever Is Less) +70 C .................................................................................. 2 watts ...........................................................2 watts +125 C ................................................................................ 0 watt .............................................................0 watt Insulation Resistance (500 VDC) ............................................ 1,000 megohms minimum .............................1,000 megohms minimum Resolution................................................................................ See recommended part nos ..........................Essentially in nite 1 Environmental Characteristics Operating Temperature Range ................................................ +1 C to +125 C ...........................................+1 C to +125 C Storage Temperature Range ................................................... -65 C to +125 C ..........................................-65 C to +125 C Temperature Coef cient Over 2 Storage Temperature Range .............................................. 50 ppm/C maximum/unit ............................100 ppm/C maximum/unit Vibration .................................................................................. 20 G ...............................................................20 G Wiper Bounce ...................................................................... 0.1 millisecond maximum ..............................0.1 millisecond maximum Total Resistance Shift .......................................................... 2 % maximum ..............................................2 % maximum Voltage Ratio Shift ............................................................... 0.1 % maximum ...........................................0.1 % maximum Shock....................................................................................... 100 G .............................................................100 G Wiper Bounce ...................................................................... 0.1 millisecond maximum ..............................0.1 millisecond maximum Total Resistance Shift .......................................................... 2 % maximum ..............................................2 % maximum Voltage Ratio Shift ............................................................... 0.1 % maximum ...........................................0.1 % maximum Load Life .................................................................................. 1,000 hours, 2 watts ......................................1,000 hours, 2 watts Total Resistance Shift .......................................................... 2 % maximum ..............................................5 % maximum 2 Rotational Life (No Load)......................................................... 2,000,000 shaft revolutions ..........................4,000,000 shaft revolutions Total Resistance Shift .......................................................... 5 % maximum ..............................................5 % maximum Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift .......................................................... 2 % maximum ..............................................5 % maximum IP Rating .................................................................................. IP 65 ..............................................................IP 65 1 Mechanical Characteristics Stop Strength.......................................................................................................................................................................... 67.8 N-cm (96 oz.-in.) minimum Mechanical Angle .......................................................................................................................................................................................... 3600 +10 , -0 Torque (Starting & Running) ................................................................................................................................................. 0.42 N-cm (0.6 oz.-in.) maximum Mounting ..................................................................................................................................................................170-200 N-cm (15-18 lb.-in.) maximum 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 .....................................................................................................................................................................................................Approximately 28 gm Terminals ....................................................................................................................................Gold-plated solder lugs or turrets (see Product Dimensions) Soldering Condition Manual Soldering...........................................................96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire 370 C (700 F) max. for 3 seconds Wave Soldering .................................................................................. 96.5Sn/3.0Ag/0.5Cu solder with no-clean ux 260 C (500 F) max. for 5 seconds Wash processes ...................................................................................................................................................................................... Not recommended Marking .....................................Manufacturers name and part number, resistance value and tolerance, linearity tolerance, wiring diagram, and date code. Ganging (Multiple Section Potentiometers) ....................................................................................................................................................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 speci cation details. Recommended Part Numbers ROHS IDENTIFIER: Part Number Resistance () Resolution (%) Part Number Resistance () L = COMPLIANT 3500S-1-102L 1,000 .030 3501H-1-102L 1,000 3500S-1-502L 5,000 .018 3501H-1-502L 5,000 3500S-1-103L 10,000 .019 3501H-1-103L 10,000 3500S-2-102L 1,000 .030 BOLDFACE LISTINGS ARE IN STOCK AND READILY Hybritron is a registered trademark of Bourns, Inc. 3500S-2-502L 5,000 .018 AVAILABLE THROUGH DISTRIBUTION. *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex 3500S-2-103L 10,000 .019 FOR OTHER OPTIONS CONSULT FACTORY. and RoHS Recast 2011/65/EU June 8, 2011. Speci cations are subject to change without notice. Customers should verify actual device performance in their speci c applications. *RoHS COMPLIANT 3500/3501 - Precision Potentiometer Product Dimensions Panel Thickness Dimensions 3500S 3501H 2.46 - 3.81 (.097 - .150) 23.62 .25 WIPER 5.46 .76 (.930 .010) 3/8-32 2A THD UNEF (.215 .030) 20.50 .38 .25 X 45 CHAMFER 1.52 CCW (.807 .015) (.010) (.06) CW 10.32 + .00/ - .05 WIPER 2.54 3/8-32 2A THD UNEF PANEL (.4062+.000/-.002) (.10) .25 PILOT DIA. X 45 CHAMFER MIN. 1.52 (.010) (.06) 10.32 + .00/ - .05 CCW CW HEX NUT (.4062+.000/-.002) PILOT DIA6.34 + .00/- .01 8.0 .38 DIA. (.249+.0000/-.0003) (.315 .015) 25.4 .51 12.7 .6.34 + .00/- .01 REF. (1.00 .02) 8.0 .38 DIA. (1/2) (.249+.0000/-.0003) (.315 .015) 12.7 20.64 .79 25.4 .51 REF. (13/16 1/32) (1/2) LOCKWASHER (1.00 .02) 20.64 .79 POT (13/16 1/32) 45 5 45 5 8.9 .76 45 5 45 5 (.35) (.03) .76 (.03) .467 8.9 LOCATION OF OPTIONAL (.184) (.35) 7.37 16.0 A/R PIN ON R (.29) (.63) R 10.44 .07 MAX. ADJUSTMENT SLOT R MAX. DIA. LOCATION OF OPTIONAL (.411 .003) 16.0 .81 7.37 WIDE X A/R PIN ON R (.63) (.032) (.29) .81 .25 DEEP ADJUSTMENT SLOT .49 22.23 (.032 .010) .81 7.42 (12.45) (7/8) WIDE X R (.032) (.292) .81 .25 DEEP 22.23 ADDITIONAL HOLE FOR (.032 .010) NOTE: SHAFT LENGTH VARIATIONS (7/8) ANTI-ROTATION PIN 3500S-1-RC 11/16 1.60 +.08/-.03 DIA. (17.46) (.063 +.003/-.001) 13/16 3500S-2-RC (20.64) Anti-rotation pin hole is shown at six o clock 13/16 3501H-1-RC position for reference only. The actual location is (20.64) determined by the customer s application. Refer to the front view of the potentiometer to see the TOLERANCES: EXCEPT WHERE NOTED location of the optional A/R pin25 .13 DECIMALS: .XX .XXX (.010), (.005) FRACTIONS: 1/64 Panel thickness and hole diameters are MM recommended for best fit. However, customers DIMENSIONS: (IN.) may adjust the dimensions to suit their specific application. WIPER 2 0.127 MM DIMENSIONS: TOLERANCES: (.005) CW (INCHES) CCW 3 1 CLOCKWISE REV. 06/12 Hybritron is a registered trademark of Bourns, Inc. Speci cations are subject to change without notice. Customers should verify actual device performance in their speci c applications.