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6639S-1-102 Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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6639S-1-102 Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 2 page Features ■ Essentially infinite resolution ■ Excellent rotational life ■ High quality, rugged construction ■ General purpose applications ■ Non-standard features available ■ Cost and space saving 6539/6639 - 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. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. Electrical Characteristics1 6539 Servo Mount 6639 Bushing Mount Standard Resistance Range................ 1 K to 100 K ohms......................1 K to 100 K ohms Total Resistance Tolerance.................. ±15 % .........................................±15 % Independent Linearity .......................... ±2.0 % ........................................±2.0 % Effective Electrical Angle ..................... 340 ° +3 ° ...................................340 ° +3 ° End Voltage ......................................... 0.5 % maximum .........................0.5 % maximum Output Smoothness............................. 0.1 % ..........................................0.1 % Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level......................................... 750 VAC minimum .....................750 VAC minimum Power Rating (Voltage Limited By Power Dissipation or 300 VAC, Whichever is Less) +70 °C.............................................. 1.0 watt.......................................1.0 watt +125 °C............................................ 0 watt..........................................0 watt Insulation Resistance (500 VDC) ........ 500 megohms minimum.............500 megohms minimum Resolution............................................ Essentially infinite.......................Essentially infinite Environmental Characteristics1 Operating Temperature Range ............ +1 °C to +125 °C........................-40 °C to +125 °C Storage Temperature Range ............... -65 °C to +125 °C.......................-65 °C to +125 °C Temperature Coefficient Over Storage Temperature Range ...... ±500 ppm/°C maximum..............±500 ppm/°C maximum Vibration .............................................. 15 G ...........................................15 G Wiper Bounce .................................. 0.1 millisecond maximum...........0.1 millisecond maximum Total Resistance Shift ...................... ±10 % .........................................±10 % Voltage Ratio Shift ........................... ±0.5 % ........................................±0.5 % Shock................................................... 50 G ...........................................50 G Wiper Bounce .................................. 0.1 millisecond maximum...........0.1 millisecond maximum Total Resistance Shift ...................... ±5 % ...........................................±5 % Voltage Ratio Shift ........................... ±0.5 % ........................................±0.5 % Load Life.............................................. 1,000 hours, 1 watt.....................1,000 hours, 1 watt Total Resistance Shift ...................... ±10 % .........................................±10 % Rotational Life (No Load)..................... 10,000,000 shaft revolutions ......10,000,000 shaft revolutions Total Resistance Shift ...................... ±10 % maximum ........................±10 % maximum Moisture Resistance (MIL-STD-202, Method 106) Total Resistance Shift ...................... ±15 % .........................................±15 % IP Rating.............................................. IP 40...........................................IP 40 Mechanical Characteristics1 Mechanical Angle ..........................................................Continuous, Stops (340 ° +8 °, -0 °) available Torque (Starting & Running)2 ...................................................................0.40 N-cm (0.5 oz.-in.) max. Mounting ..............................................................................170-200 N-cm (15-18 lb.-in.) maximum Shaft Runout.................................................................................................0.13 mm (0.005 in.) T.I.R. Lateral Runout ..............................................................................................0.08 mm (0.003 in.) T.I.R. Shaft End Play..............................................................................................0.13 mm (0.005 in.) T.I.R. Shaft Radial Play ..........................................................................................0.13 mm (0.005 in.) T.I.R. Pilot Diameter Runout ................................................................................0.06 mm (0.0025 in.) T.I.R. Backlash ....................................................................................................................... 0.1 º maximum Weight ....................................................... 18 gm (6539 Servo Mount), 24 gm (6639 Bushing Mount) Terminals ................................................................................................................... Rear Turret Type 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 Pots) .................................................................................. 1 cup maximum Hardware (6639 only) ................................. One lockwasher (H-37-2) and one mounting nut (H-38-2) is shipped with potentiometer. 1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. 22.82 N-cm (4.0 oz.-in.) max. at -40 °C. Product Dimensions BO URNS 31 2 30 °±3 ° TYP. CW 65/6639 6539 6639 3/8 " - 32 UNEF 1 3 CW CLOCKWISE CCW 2 WIPER 12.70 ± .38 (.500 ± .015) 3.170 +.000/-.008 (.1248+.0000/-.0003) DIA. SHAFT 45° ± 5 ° x (.010) CHAMFER .25 1.57 (.062) 1.57 (.062) 1.57 (.062) 19.050+ 000/-.012 (.750+.0000/-.0005) 19.81 (.780) DIA. .51 (.020) REF 12.70 ± .79 (.500 ± .031) 3.18 (.125) 22.23 (.875) DIA. 11.25 ± .38 (.443 ± .015) 1.57 (.062) 22.23 (.875) DIA. 6.342+.000/-.008 (.2497+.0000/-.0003) DIA. SHAFT SLOT (.047) X (.063) 1.19 1.60 10.317+.000/-.051 (.4062+.000/-.002) DIA. 3.18 (.125) .25 (.010) REF 9.53 ± .79 (.375 ± .031) 22.23 ± .76 (.875 ± .03) R 4.83 (.19) TOLERANCES: EXCEPT WHERE NOTED .51 .13 DECIMALS: .XX ± (.020) .XXX ± (.005) FRACTIONS: ±1/64 MM DIMENSIONS: (IN.) 45° ± 5 ° x (.010) CHAMFER .25 |
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