3540S-1-503

Features ■ ■ ■ ■ Bushing mount Optional center tap and rear shaft extension Optional AR lug feature Gangable with common or concentric shafts ■ ■ ■ High torque available Optional 0.1 % linearity Non-standard features and specifications available 3540/3541 - Precision Potentiometer Electrical Characteristics1 3540 Wirewound Element 3541 Hybritron® 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........Minimum voltage Minimum Voltage (whichever is greater) 0.2 % maximum Noise ..................................................100 ohms ENR maximum ........Output smoothness 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 1.52 (.06) 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 ......±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 6.342 + .000/ - .008 (.2497+.0000/-.0003) 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) 15.88 R MAX. (.625) 12.45 (.49) Mechanical Characteristics1 Stop Strength ...............................................................................................53 N-cm (75 oz-in.) minimum Mechanical Angle ......................................................................................................3600 ° +10 °, -0 ° Torque (Starting & Running) ......................................................................0.35 N-cm (0.5 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 ...............................................................................................0.25 mm (0.010 in.) T.I.R. Shaft Radial Play ...........................................................................................0.25 mm (0.010 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 ....................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter. Maximum temperature 399 °C (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.) ...............................................................................2 cups maximum Hardware ...................................................One lockwasher (H-37-2) and one mounting unit (H-38-2) is shipped with each potentiometer. 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 1 At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. Consult manufacturer for complete specification details. WIPER 3 1 CW CLOCKWISE 2 Recommended Part Numbers Part Number 3540S-1-201 3540S-1-501 3540S-1-102 3540S-1-202 3540S-1-502 3540S-1-103 3540S-1-203 3540S-1-503 3540S-1-104 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 Specifications are subject to change without notice. Part Number 3541H-1-102 3541H-1-202 3541H-1-502 3541H-1-103 3541H-1-203 3541H-1-503 3541H-1-104 Resistance 1,000 2,000 5,000 10,000 20,000 50,000 100,000 BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION. FOR SERVO MOUNT VERSION AND OTHER OPTIONS CONSULT FACTORY. REV. 04/03