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6539

更新时间: 2024-11-16 03:05:19
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伯恩斯 - BOURNS 电位器
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1页 226K
描述
Precision Potentiometer

6539 数据手册

  
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  
Electrical Characteristics1  
6539 Servo Mount  
6639 Bushing Mount  
Product Dimensions  
Standard Resistance Range ..............1 K to 100 K ohms ..................1 K to 100 K ohms  
Total Resistance Tolerance ................±1ꢀ ꢁ ......................................±1ꢀ ꢁ  
Independent Linearity ........................±±.0 ......................................±±.0 ꢁ  
Effective Electrical Angle ....................340 ° +3 °..................................340 ° +3 °  
End Voltage ........................................0.ꢀ ꢁ maximum ......................0.ꢀ ꢁ maximum  
Output Smoothness............................0.1 ꢁ ........................................0.1 ꢁ  
Dielectric Withstanding Voltage (MIL-STD-±0±, Method 301)  
Sea Level........................................7ꢀ0 VAC minimum....................7ꢀ0 VAC minimum  
Power Rating (Voltage Limited By Power Dissipation or 300 VAC, Whichever is Less)  
+70 °C ............................................1.0 watt ....................................1.0 watt  
+1±ꢀ °C ..........................................0 watt........................................0 watt  
Insulation Resistance (ꢀ00 VDC) ........ꢀ00 megohms minimum ..........ꢀ00 megohms minimum  
Resolution ..........................................Essentially infinite ....................Essentially infinite  
6539  
3.170 +.000/-.008  
(.1248+.0000/-.0003)  
12.70 ± .38  
(.500 ± .015)  
1.57  
(.062)  
DIA. SHAFT  
.25  
45 ° ± 5 ° x  
(.010)  
1.57  
(.062)  
1.57  
CHAMFER  
19.050+ 000/-.012  
(.750+.0000/-.0005)  
(.062)  
22.23  
(.875)  
DIA.  
19.81  
(.780)  
DIA.  
Environmental Characteristics1  
Operating Temperature Range ..........+1 °C to +1±ꢀ °C......................-40 °C to +1±ꢀ °C  
Storage Temperature Range ..............-6ꢀ °C to +1±ꢀ °C ....................-6ꢀ °C to +1±ꢀ °C  
Temperature Coefficient  
.51  
(.020)  
REF  
Over Storage Temperature Range......±ꢀ00 ppmꢂ°C maximum ..........±ꢀ00 ppmꢂ°C maximum  
Vibration..............................................1ꢀ G..........................................1ꢀ G  
Wiper Bounce ................................0.1 millisecond maximum ........0.1 millisecond maximum  
Total Resistance Shift ....................±10 ꢁ ......................................±10 ꢁ  
Voltage Ratio Shift..........................±0.ꢀ ......................................±0.ꢀ ꢁ  
Shock..................................................ꢀ0 G..........................................ꢀ0 G  
Wiper Bounce ................................0.1 millisecond maximum ........0.1 millisecond maximum  
Total Resistance Shift ....................±ꢀ ꢁ ........................................±ꢀ ꢁ  
Voltage Ratio Shift..........................±0.ꢀ ......................................±0.ꢀ ꢁ  
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-±0±, Method 106)  
12.70 ± .79  
(.500 ± .031)  
3.18  
(.125)  
6639  
10.317+.000/-.051  
(.4062+.000/-.002)  
11.25 ± .38  
(.443±.015)  
DIA.  
6.342+.000/-.008  
(.2497+.0000/-.0003)  
1.57  
(.062)  
DIA. SHAFT  
.25  
45 ° ± 5° ±  
CHAMFER  
(.010)  
1.19  
1.60  
SLOT  
X
22.23  
(.875)  
DIA.  
(.047) (.063)  
Total Resistance Shift ....................±1ꢀ ꢁ ......................................±1ꢀ ꢁ  
IP Rating ............................................IP 40 ........................................IP 40  
Mechanical Characteristics1  
.25  
Mechanical Angle..........................................................Continuous, Stops (340 ° +8 °, -0 °) available  
Torque (Starting & Running)2 .....................................................................0.40 N-cm (0.ꢀ oz.-in.) max.  
Mounting.............................................................................170-±00 N-cm (1ꢀ-18 lb.-in.) maximum  
Shaft Runout..................................................................................................0.13 mm (0.00ꢀ in.) T.I.R.  
Lateral Runout ...............................................................................................0.08 mm (0.003 in.) T.I.R.  
Shaft End Play...............................................................................................0.13 mm (0.00ꢀ in.) T.I.R.  
Shaft Radial Play ...........................................................................................0.13 mm (0.00ꢀ in.) T.I.R.  
Pilot Diameter Runout .................................................................................0.06 mm (0.00±ꢀ in.) T.I.R.  
Backlash........................................................................................................................0.1 º maximum  
Weight ........................................................18 gm (6ꢀ39 Servo Mount), ±4 gm (6639 Bushing Mount)  
Terminals......................................................................................................................Rear Turret Type  
Soldering Condition....................Recommended hand soldering using Sn9ꢀꢂAgꢀ no clean solder,  
0.0±ꢀ ” wire diameter. Maximum temperature 399°C (7ꢀ0 °F) for 3 seconds.  
3/8 " - 32 UNEF (.010)  
REF  
9.53 ± .79  
(.375 ± .031)  
22.23 ± .76  
(.875 ± .03)  
3.18  
(.125)  
65/6639  
2
CW  
4.83  
No wash process to be used with no clean flux.  
R
(.19)  
Marking .................................................Manufacturer’s name and part number, resistance value and  
tolerance, linearity tolerance, wiring diagram, and date code.  
3
1
Ganging (Multiple Section Pots) ..................................................................................1 cup maximum  
Hardware (6639 only)..................................One lockwasher (H-37-±) and one mounting nut (H-38-±)  
is shipped with potentiometer.  
30 °± 3 °  
1 At room ambient: +25 °C nominal and 50 % relative humidity, except as noted.  
TYP.  
2 2.82 N-cm (4.0 oz.-in.) max. at -40 °C.  
TOLERANCES: EXCEPT WHERE NOTED  
Recommended Part Numbers  
.51  
(.020)  
.13  
(.005)  
DECIMALS: .XX ±  
.XXX ±  
FRACTIONS: ±1/64  
MM  
DIMENSIONS:  
(IN.)  
Part Numbers  
Resistance  
Resistance  
Part Number  
()  
Continuous Turn  
Mechanical Stops  
()  
6639S-1-102 6639S-301-102  
6639S-1-202  
1,000  
2,000  
5,000  
6539S-1-102  
6539S-1-502  
6539S-1-103  
1,000  
5,000  
10,000  
WIPER  
2
6639S-1-502 6639S-301-502  
CW  
CCW  
3
1
6639S-1-103 6639S-301-103 10,000  
6639S-1-203  
BOLDFACE LISTINGS ARE IN STOCK AND READILY  
AVAILABLE THROUGH DISTRIBUTION.  
20,000  
CLOCKWISE  
FOR OTHER OPTIONS CONSULT FACTORY.  
*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  

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