Datasheet

Features
n Bushing mount
n Optional AR pin feature
n Plastic or metal shaft and bushings
n Wirewound
n Solder lugs or PC pins
n Sealable (Full body seal)
n Designed for use in HMI applications
n RoHS compliant*
3590 - Precision Potentiometer
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific disclaimers as set forth on the last page of this document, and at www.bourns.com/legal/disclaimer.pdf.
Electrical Characteristics
1
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
Resolution.............................................................................................................................................................. See recommended part numbers
Environmental Characteristics
1
Operating Temperature Range .......................................................................................................................................................-40 °C to +125 °C
Storage Temperature Range ..........................................................................................................................................................-55 °C to +125 °C
Temperature Coefcient Over Storage Temperature Range
2
.........................................................................................±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 Classication (HBM)..................................................................................................................................................................................... N/A
Mechanical Characteristics
1
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 ux; 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 conguration dash number. Example: -2 becomes -291 to add AR pin.
1
At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
2
Consult manufacturer for complete specication details for resistances below 1k ohms.
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*