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 WARNING 3500S-2-102L 1,000 .030 BOLDFACE LISTINGS ARE IN STOCK AND READILY Cancer and Reproductive Harm 3500S-2-502L 5,000 .018 AVAILABLE THROUGH DISTRIBUTION. 3500S-2-103L 10,000 .019 www.P65Warnings.ca.gov FOR OTHER OPTIONS CONSULT FACTORY. Hybritron is a registered trademark of Bourns, Inc. *RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf. *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 Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com EMEA: Tel: +36 88 885 877 Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com REV. 10/19 Hybritron is a registered trademark of Bourns, Inc. Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.