*R oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features Non-RoHS compliant versions are available until June 1, 2010. Bushing mount Optional center tap and rear shaft extension Optional AR lug feature Gangable with common or concentric shafts Non-standard features and specifications available High torque available 3540/3541 - Precision Potentiometer Electrical Characteristics1 3540 Wirewound Element Product Dimensions 3541 Hybritron(R) Element Standard Resistance Range ................ 100 to 100 K ohms.....................1 K to 100 K ohms Total Resistance Tolerance .................. 5 % ..........................................10 % Independent Linearity .......................... 0.25 % .....................................0.25 % Effective Electrical Angle ..................... 3600 +10 , -0 .......................3600 +10 , -0 Absolute Minimum Resistance/........... 1 ohm or 0.1 % maximum .........0.2 % maximum Minimum Voltage ............................. (whichever is greater) Noise/Output Smoothness ................. 100 ohms ENR maximum ..........0.1 % maximum Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level ......................................... 1,000 VAC minimum ..................1,000 VAC minimum Power Rating (Voltage Limited By Power Dissipation or 447 VAC, Whichever Is Less) +70 C.............................................. 2 watts .......................................2 watts +125 C............................................ 0 watt .........................................0 watt Insulation Resistance (500 VDC) ......... 1,000 megohms minimum .........1,000 megohms minimum Resolution ........................................... See recommended part nos. ....Essentially infinite 3540S-1/3541H-1 18.3 (.72) 14.35 .38 (.565.015) 5.72 .38 (.225.015) 1 10.32 +.00/.05 DIA. (.406+.000/-.002) 3 3/8 " 32-UNEF-2ATHD .25 X 45 CHAMFER (.010) ADJUSTMENT SLOT .81 WIDE (.032) X .81.25 DEEP (.032.010) 2 Environmental Characteristics1 Operating Temperature Range ............-40 C to +125 C.......................-40 C to +125 C Storage Temperature Range ............... -55 C to +125 C ......................-55 C to +125 C Temperature Coefficient Over Storage Temperature Range2 .......... 50 ppm/C maximum/unit........100 ppm/C maximum/unit Vibration .............................................. 15 G ...........................................15 G Wiper Bounce .................................. 0.1 millisecond maximum ..........0.1 millisecond maximum Shock .................................................. 50 G ...........................................50 G Wiper Bounce .................................. 0.1 millisecond maximum ..........0.1 millisecond maximum Load Life.............................................. 1,000 hours, 2 watts ..................1,000 hours, 2 watts Total Resistance Shift ...................... 2 % ..........................................5 % Rotational Life (No Load) ..................... 1,000,000 shaft revolutions2 .....5,000,000 shaft revolutions2 Total Resistance Shift ...................... 5 % maximum..........................5 % maximum Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift ...................... 2 % maximum..........................5 % maximum IP Rating .............................................. IP 40 ...........................................IP 40 1.52 (.06) 6.342 + .000/ - .023 (.2497+.0000/-.0009) DIA. 7.92 .38 (.312 .015) 19.05 .38 (.750 .015) 20.62 .79 (.812 .031) OPTIONAL ANTIROTATION LUG (-91) 1.42 X .50 ON 7.4 RADIUS. LENGTH 1.27 FROM MOUNTING SURFACE. (SUGGESTED PANEL HOLE 1.6 DIA.) 30 5 6.35 (.25) Mechanical Characteristics1 Stop Strength .........................................................................................53 N-cm (75 oz-in.) minimum Mechanical Angle ..................................................................................................... 3600 +10 , -0 Torque Starting & Running @ +25 C ...............................................................0.35 N-cm (0.5 oz.-in.) max. Starting & Running @ -40 C ................................................................1.76 N-cm (2.5 oz.-in.) max. Mounting.....................................................................................170-200 N-cm (15-18 lb.-in.) max. Shaft Runout ................................................................................................ 0.08 mm (0.003 in.) T.I.R. Lateral Runout .............................................................................................. 0.13 mm (0.005 in.) T.I.R. Shaft End Play .............................................................................................. 0.30 mm (0.012 in.) T.I.R. Shaft Radial Play .......................................................................................... 0.08 mm (0.003 in.) T.I.R. Pilot Diameter Runout .................................................................................. 0.08 mm (0.003 in.) T.I.R. Backlash ....................................................................................................................... 1.0 maximum Weight ................................................................................................................ Approximately 21 gm Terminals .........................................................................................................Gold-plated solder lugs 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.) ...............................................................................2 cups maximum Hardware ....................................................One lockwasher (H-37-2) and one mounting nut (H-38-2) is shipped with each potentiometer. 1At room ambient: +25 C nominal and 50 % relative humidity nominal, except as noted. 2Consult manufacturer for complete specification details. Recommended Part Numbers Part Number 3540S-1-201L 3540S-1-501L 3540S-1-102L 3540S-1-202L 3540S-1-502L 3540S-1-103L 3540S-1-203L 3540S-1-503L 3540S-1-104L Resistance () 200 500 1,000 2,000 5,000 10,000 20,000 50,000 100,000 Resolution .042 .031 .027 .021 .021 .019 .014 .011 .008 Part Number 3541H-1-102L 3541H-1-202L 3541H-1-502L 3541H-1-103L 3541H-1-203L 3541H-1-503L 3541H-1-104L Resistance () 1,000 2,000 5,000 10,000 20,000 50,000 100,000 15.88 R MAX. (.625) 12.45 (.49) 22.23 .38 (.875 .015) MTG. FACE 15.88 DIA. MIN. (.625) TOLERANCES: EXCEPT WHERE NOTED .25 .13 DECIMALS: .XX .XXX (.010), (.005) FRACTIONS: 1/64 MM DIMENSIONS: (IN.) 2 CCW WIPER 3 1 CW CLOCKWISE BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION. FOR OTHER OPTIONS CONSULT FACTORY. ROHS IDENTIFIER: L = COMPLIANT BLANK = NON-COMPLIANT *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. 3540/3541 - Precision Potentiometer Panel Thickness Dimensions 2.46 - 3.81 (.097 - .150) PANEL HEX NUT 10.41 .08 DIA. (.410 .003) R 7.42 (.292) LOCKWASHER ADDITIONAL HOLE FOR ANTIROTATION PIN 1.60 +.08/-.03 DIA. (.063 +.003/-.001) POT DIMENSIONS: MM (INCHES) TOLERANCES: 0.127 (.005) REV. 11/09 "Hybritron" is a registered trademark of Hybritron, Inc. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.