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| PL IA Features NT Essentially infinite resolution Excellent rotational life High quality, rugged construction General purpose applications Non-standard features available Cost and space saving *R oH S CO M 6539/6639 - Precision Potentiometer Electrical Characteristics1 6539 Servo Mount 6639 Bushing Mount Product Dimensions 6539 12.70 .38 (.500 .015) 3.170 +.000/-.008 (.1248+.0000/-.0003) DIA. SHAFT .25 45 5 x (.010) CHAMFER 19.050+ 000/-.012 (.750+.0000/-.0005) 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 1.57 (.062) 1.57 (.062) 1.57 (.062) 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 22.23 (.875) DIA. .51 (.020) REF 3.18 (.125) 19.81 (.780) DIA. 12.70 .79 (.500 .031) 10.317+.000/-.051 DIA. (.4062+.000/-.002) 6.342+.000/-.008 (.2497+.0000/-.0003) DIA. SHAFT .25 45 5 (.010) CHAMFER 1.19 1.60 SLOT (.047) X (.063) 6639 11.25 .38 (.443.015) 1.57 (.062) 22.23 (.875) DIA. 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 maximum Weight ........................................................18 gm (6539 Servo Mount), 24 gm (6639 Bushing Mount) Terminals......................................................................................................................Rear Turret Type Soldering Condition....................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 " wire diameter. Maximum temperature 399C (750 F) for 3 seconds. No wash process to be used with no clean flux. 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. 1 2 3/8 " - 32 UNEF 3.18 (.125) .25 (.010) REF 9.53 .79 (.375 .031) 22.23 .76 (.875 .03) 65/6639 UR BO NS 2 CW 3 1 4.83 R (.19) At room ambient: +25 C nominal and 50 % relative humidity, except as noted. 2.82 N-cm (4.0 oz.-in.) max. at -40 C. 30 3 TYP. TOLERANCES: EXCEPT WHERE NOTED .51 .13 DECIMALS: .XX .XXX (.020) (.005) FRACTIONS: 1/64 MM DIMENSIONS: (IN.) Recommended Part Numbers Part Number 6539S-1-102 6539S-1-502 6539S-1-103 Resistance () 1,000 5,000 10,000 Part Numbers Continuous Turn Mechanical Stops Resistance BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION. FOR OTHER OPTIONS CONSULT FACTORY. 6639S-1-102 6639S-301-102 6639S-1-202 6639S-1-502 6639S-301-502 6639S-1-103 6639S-301-103 6639S-1-203 () 1,000 2,000 5,000 10,000 20,000 2 CCW WIPER 1 CLOCKWISE 3 CW *RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. REV. 06/06 |
Price & Availability of 6639
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