Features
nꢀ Bushingꢀmount
nꢀ RoHSꢀcompliant*
nꢀ OptionalꢀARꢀpinꢀfeatureꢀ
nꢀ Plasticꢀorꢀmetalꢀshaftꢀandꢀbushings
nꢀ Wirewound
nꢀ SolderꢀlugsꢀorꢀPCꢀpins
nꢀ Sealableꢀ(Fullꢀbodyꢀseal)
nꢀ DesignedꢀforꢀuseꢀinꢀHMIꢀapplications
3590 - Precision Potentiometer
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Electrical Characteristics
Standard Resistance Range.........................................................................................................................................................200 to 100 K ohms
Total Resistance Tolerance.................................................................................................................................................................................±5 %
Independent Linearity....................................................................................................................................................................................±0.25 %
Effective Electrical Angle ................................................................................................................................................................ 3600 ° +10 °, -0 °
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............................................................................................................................................................................... 1,500 VAC minimum
Power Rating (Voltage Limited By Power Dissipation or 450 VAC, Whichever is Less)
+40 °C..........................................................................................................................................................................................................2 watts
+125 °C......................................................................................................................................................................................................... 0 watt
Insulation Resistance (500 VDC) ......................................................................................................................................1,000 megohms minimum
RPM (Operating) ................................................................................................................................................................................. 200 maximum
Resolution.............................................................................................................................................................. See recommended part numbers
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Environmental Characteristics
Operating Temperature Range.......................................................................................................................................................-40 °C to +125 °C
Storage Temperature Range ..........................................................................................................................................................-55 °C to +125 °C
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Temperature Coefficient Over Storage Temperature Range .........................................................................................±50 ppm/°C maximum/unit
Vibration ............................................................................................................................................................................................................. 15 G
Wiper Bounce .................................................................................................................................................................0.1 millisecond maximum
Shock.................................................................................................................................................................................................................. 50 G
Wiper Bounce .................................................................................................................................................................0.1 millisecond maximum
Load Life.....................................................................................................................................................................................1,000 hours, 2 watts
Total Resistance Shift .................................................................................................................................................................... ±2 % maximum
Rotational Life (No Load).................................................................................................................................................1,000,000 shaft revolutions
Total Resistance Shift .................................................................................................................................................................... ±5 % maximum
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift .................................................................................................................................................................... ±2 % maximum
IP Rating
Sealed Versions (-3, -4, -7, and -8).................................................................................................................................................................IP 65
Unsealed Versions (-1 -2, -5, and -6)..............................................................................................................................................................IP 40
Moisture Sensitivity Level.........................................................................................................................................................................................1
ESD Classification (HBM)..................................................................................................................................................................................... N/A
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Mechanical Characteristics
Stop Strength...............................................................................................................................................................45 N-cm (64 oz.-in.) minimum
Mechanical Angle ........................................................................................................................................................................... 3600 ° +10 °, -0 °
Torque
Starting & Running...........................................................................................................................0.85 N-cm (1.2 oz.-in.) maximum (unsealed)
1.41 N-cm (2.0 oz.-in.) maximum (sealed)
Mounting.............................................................................................................................................................. 55-80 N-cm (5-7 lb.-in.) (plastic)
90-113 N-cm (8-10 in.-lb.) (metal)
Shaft Runout.......................................................................................................................................................................0.13 mm (0.005 in.) T.I.R.
Lateral Runout....................................................................................................................................................................0.20 mm (0.008 in.) T.I.R.
Shaft End Play....................................................................................................................................................................0.25 mm (0.010 in.) T.I.R.
Shaft Radial Play................................................................................................................................................................0.13 mm (0.005 in.) T.I.R.
Pilot Diameter Runout ........................................................................................................................................................0.08 mm (0.003 in.) T.I.R.
Backlash.............................................................................................................................................................................................1.0 ° maximum
Weight ........................................................................................................................................................................................ Approximately 19 G
Terminals ................................................................................................................................................................................ Solder lugs or PC pins
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 flux; 260 °C (500 °F) max. for 5 seconds
Wash processes ....................................................................................................................................................................... Not recommended
Marking......................Manufacturer’s name and part number, resistance value and tolerance, linearity tolerance, wiring diagram, and date code.
Ganging (Multiple Section Potentiometers).......................................................................................................................................1 cup maximum
Hardware............................................................................................. One lockwasher and one mounting nut is shipped with each potentiometer.
NOTE: For Anti-rotation pin add 91 after configuration dash number. Example: -2 becomes -291 to add AR pin.
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At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Consult manufacturer for complete specification details for resistances below 1k ohms.
*RoHSꢀDirectiveꢀ2015/863,ꢀMarꢀ31,ꢀ2015ꢀandꢀAnnex.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/legal/disclaimer.pdf.