PL IA NT Features CO M ■ Bushing mount *R oH S ■ Optional AR pin feature ■ Non-standard features and specifications available ■ Gangable ■ RoHS compliant* 3543/3545 - Precision Potentiometer Electrical Characteristics1 3543 3-Turn Product Dimensions 3545 5-Turn Standard Resistance Range................ 20 to 50 K ohms .........................50 to 50 K ohms Total Resistance Tolerance.................. ±5 % ...........................................±5 % Independent Linearity .......................... ±0.25 % ......................................±0.25 % Effective Electrical Angle ..................... 1080 ° +10 °, -0 ° .......................1800 ° +10 °, -0 ° Absolute Minimum Resistance/ ........... 1 ohm or 0.1 % maximum ..........1 ohm or 0.1 % maximum Minimum Voltage ............................. (whichever is greater).................(whichever is greater) Noise .................................................. 100 ohms ENR maximum ..........100 ohms ENR 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 224 VAC [3543] or 273 VAC [3545], Whichever Is Less) +70 °C.............................................. 1 watt..........................................1.5 watt +125 °C............................................ 0 watt..........................................0 watt Insulation Resistance (500 VDC) ........ 1,000 megohms minimum ..........1,000 megohms minimum Resolution............................................ See recommended part nos. .....See recommended part nos. 3543S-1/3545S-1 18.3 (.72) 14.35 ± .38 (.565 ± .015) 5.72 ± .38 (.225 ± .015) 10.31+ .00/ - .05 DIA. (.406+.000/-.002) 1 3 3/8 " 32-UNEF-2ATHD 2 .25 X 45 ° CHAMFER (.010) ADJUSTMENT .81 SLOT WIDE (.032) .81±.25 X DEEP (.032±.0160) Environmental Characteristics1 Operating Temperature Range ............ +1 °C to +125 °C ........................+1 °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 .........±50 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, 1 watt.....................1,000 hours, 1.5 watts Total Resistance Shift ...................... ±2 % maximum ..........................±2 % maximum Rotational Life (No Load)..................... 300,000 shaft revolutions ...........500,000 shaft revolutions Total Resistance Shift ...................... ±5 % maximum ..........................±5 % maximum Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift ...................... ±2 % maximum ..........................±2 % maximum IP Rating .............................................. IP 40 ...........................................IP 40 1.52 (.06) 7.92 ± .38 (.312 ± .015) 19.05 ± .38 (.750 ± .015) 20.62 ± .79 (.812 ± .031) ADD .75 (19 MM) FOR ADDITIONAL CUPS. OPTIONAL ANTIROTATION LUG (-91) 1.42 X .50 ON 7.4 RADIUS (.056 X .02) (.29) LENGTH 1.27 FROM MOUNTING SURFACE. (SUGGESTED PANEL HOLE 1.6 DIA.) (.063) 30 ° ±5° 6.35 (.25) Mechanical Characteristics1 Stop Strength.................................................................................................53 N-cm (75 oz.-in.) min. Mechanical Angle ................................................. 1080 ° +10 °, -0 ° (3543); 1800 ° +10 °, -0 ° (3545) Torque (Starting & Running) .....................................................................0.35 N-cm (0.5 oz.-in.) max. Mounting .............................................................................................. 170-200 N-cm (15-18 lb.-in.) 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 ..............................................................................................0.25 mm (0.010 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. 3543S-1-102L 3543S-1-202L 3543S-1-502L 3543S-1-103L Resistance (Ω) Resolution (%) 1,000 2,000 5,000 10,000 .077 .062 .047 .040 Part Number 3545S-1-102L 3545S-1-202L 3545S-1-502L 3545S-1-103L 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 Recommended Part Numbers Part Number 6.342 + .000/ - .023 (.2497+.0000/-.0009) DIA. Resistance (Ω) Resolution (%) 1,000 2,000 5,000 10,000 .043 .044 .038 .029 BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION. FOR SERVO MOUNT VERSION AND OTHER OPTIONS CONSULT FACTORY. ROHS IDENTIFIER: L = 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. 3543/3545 - Precision Potentiometer Panel Thickness Dimensions 2.46 - 3.81 (.097 - .150) PANEL HEX NUT 10.44 ± .07 DIA. (.411 ± .003) R 7.42 (.292) ADDITIONAL HOLE FOR ANTI-ROTATION PIN 1.60 +.08/-.03 DIA. (.063 +.003/-.001) LOCKWASHER POT 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. DIMENSIONS: MM (INCHES) TOLERANCES: ± 0.127 (.005) REV. 10/11 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.