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■ Bushing mount ■ Optional center tap and rear shaft extension ■ Optional AR lug feature ■ Gangable with common or concentric shafts ■ High torque available ■ Non-standard features and specifi cations available ■ RoHS compliant* 3540/3541 - Precision Potentiometer Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications. *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Electrical Characteristics1 3540 Wirewound Element 3541 Hybritron ® Element Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Power Rating (Voltage Limited By Power Dissipation or 447 VAC, Whichever Is Less) Environmental Characteristics1 Temperature Coeffi cient Over Storage Temperature Range Moisture Resistance (MIL-STD-202, Method 103, Condition B) Mechanical Characteristics1 Torque Soldering Condition rosin cored wire; 370 °C (700 °F) max. for 3 seconds for 5 seconds tolerance, linearity tolerance, wiring diagram, and date code is shipped with each potentiometer. 1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.2Consult manufacturer for complete specifi cation details. Product Dimensions BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION. FOR OTHER OPTIONS CONSULT FACTORY. ROHS IDENTIFIER: L = COMPLIANT Recommended Part Numbers Part Number Resistance (Ω) Resolution 3540S-1-201L 200 .042 3540S-1-501L 500 .031 3540S-1-102L 1,000 .027 3540S-1-202L 2,000 .021 3540S-1-502L 5,000 .021 3540S-1-103L 10,000 .019 3540S-1-203L 20,000 .014 3540S-1-503L 50,000 .011 3540S-1-104L 100,000 .008 *RoHS COMPLIANT Part Number Resistance (Ω) 3541H-1-102L 1,000 3541H-1-202L 2,000 3541H-1-502L 5,000 3541H-1-103L 10,000 3541H-1-203L 20,000 3541H-1-503L 50,000 3541H-1-104L 100,000 3540S-1/3541H-1 5.72 ± .38 (.225±.015) 10.32 +.00/.05 (.406+.000/-.002) 3/8 " 32-UNEF-2ATHD ADJUSTMENT SLOT .81 WIDE X .81±.25 DEEP 1.52 (.06) 7.92 ± .38 (.312 ± .015) 19.05 ± .38 (.750 ± .015) 30 ° ± 5 ° 6.35 (.25) 22.23 ± .38 (.875 ± .015) MTG. FACE 12.45 (.49) OPTIONAL ANTIROTATION LUG (-91) 1.42 X .50 ON 7.4 RADIUS. LENGTH 1.27 FROM MOUNTING SURFACE. (SUGGESTED PANEL HOLE 1.6 DIA.) 1 3 CW CLOCKWISE CCW
2 WIPER
18.3 (.72) 14.35 ± .38 (.565±.015) DIA. (.032) (.032±.010) DIA. 20.62 ± .79 (.812 ± .031) 15.88 (.625) DIA. MIN.15.88 (.625) TOLERANCES: EXCEPT WHERE NOTED FRACTIONS: ±1/64 MMDIMENSIONS: (IN.) .25 (.010) X 45 ° CHAMFER R MAX.
3540/3541 - Precision Potentiometer Panel Thickness Dimensions PANEL POT LOCKWASHER HEX NUT 2.46 - 3.81 (.097 - .150) “Hybritron” is a registered trademark of Bourns, Inc. Specifi cations are subject to change without notice. Customers should verify actual device performance in their specifi c applications. REV. 11/12 1.60 +.08/-.03 (.063 +.003/-.001) 10.44 ± .07 (.411 ± .003) DIA. DIA. ADDITIONAL HOLE FOR ANTI-ROTATION PIN 7.42 (.292)R MM (INCHES)DIMENSIONS: Anti-rotation pin hole is shown at six o'clock position for reference only. The actual location is determined by the customer's application. Refer to the front view of the potentiometer to see the location of the optional A/R pin. Panel thickness and hole diameters are recommended for best fit. However, customers may adjust the dimensions to suit their specific application. TOLERANCES: ± 0.127 (.005)