PL IA NT Features Model 3435 is obsolete. Models 6657, 6574 and 6674 are preferred. ■ 27 mm (1-1/16 ”) diameter, single-turn CO M wirewound *R oH S ■ Bushing mount ■ Gangable to 8 cups ■ Outstanding vibration and shock performance ■ Shaft supported front and rear by precision sleeve bearings ■ High temperature, moisture resistant, thermosetting plastic housing ■ Non-standard features and specifications available 3435 - Precision Potentiometer Electrical Characteristics1 Product Dimensions Standard Resistance Range....................................................................................... 50 to 20 K ohms Total Resistance Tolerance........................................................................................................... ±3 % Independent Linearity ................................................................................................................ ±0.5 % Effective Electrical Angle .......................................................................................................350 ° ±2 ° Noise ........................................................................................................... 100 ohms ENR maximum Absolute Minimum Resistance ................................................. 1 ohm or 0.1 % (whichever is greater) Dielectric Withstanding Voltage Sea Level ..........................................................................................................1,000 VAC minimum Power Rating +70 °C................................................................................................................................. 1.5 watts +125 °C....................................................................................................................................0 watt Insulation Resistance (500 VDC) ................................................................ 1,000 megohms minimum Resolution...................................................................................................... See ordering information 3435 17.30 ± .38 (.681 ± .015) Mechanical Characteristics1 1.57 (.060) 8.13 MIN. (.32) 26.92 (1.06) E T E L O S B O Mechanical Angle ............................................................................................................... Continuous Torque Starting ....................................................................................... 0.18 N-cm (0.25 oz.-in.) maximum Running ...................................................................................... 0.18 N-cm (0.25 oz.-in.) maximum Additional Cups ........................................................................................................ Add 75 % each Mounting ..............................................................................170-200 N-cm (15-18 lb.-in.) maximum Shaft Runout...............................................................................................0.025 mm (0.001 in.) T.I.R. Shaft End Play ..............................................................................................0.08 mm (0.003 in.) T.I.R. Shaft Radial Play ..........................................................................................0.08 mm (0.003 in.) T.I.R. Backlash ..................................................................................................................... 0.25 ° maximum Weight .................................................................................................................Approximately 23 gm Terminals ...........................................................................................................Gold-plated turret type 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, date code Ganging (Multiple Section Potentiometers) ............................................................... 8 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. *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications 10.317 +.000/-.051 (.4062 + .000/ - .002) 3/8 " - 32 UNEF 2A Environmental Characteristics1 Operating Temperature Range .................................................................................... +1 °C to 125 °C Storage Temperature Range .................................................................................... -65 °C to +125 °C Temperature Coefficient Over Storage Temperature Range2 ...................................±20 ppm/°C max. Vibration (MIL-R-12934) ................................................................................................................15 G Wiper Bounce ........................................................................................... 0.1 millisecond maximum Total Resistance Shift ...............................................................................................±5 % maximum Voltage Ratio Shift ....................................................................................................±1 % maximum Shock (MIL-R-12934) ....................................................................................................................50 G Wiper Bounce ........................................................................................... 0.1 millisecond maximum Total Resistance Shift ...............................................................................................±5 % maximum Voltage Ratio Shift ....................................................................................................±1 % maximum Load Life ............................................................................................................................ 1,000 hours Total Resistance Shift ..............................................................................................2.0 % maximum Rotational Life (No Load)........................................................................... 1,000,000 shaft revolutions Total Resistance Shift ...............................................................................................±5 % maximum Moisture Resistance (MIL-STD-202, Method 106) Total Resistance Shift ...............................................................................................±5 % maximum Humidity................................................................................................. MIL-R-12934 humidity cycling Total Resistance Shift ...............................................................................................±5 % maximum IP Rating ....................................................................................................................................... IP 40 22.22 ± .79 (.825 ± .031) 9.53 (.375) 30 ° ±5° 30 ° ±5° T CCW CW W 18.54 R MAX. (.73) 3.170 +.000/-.008 (.1248 + .000/ - .0003) SHAFT .81 X .81 ±.25 (.032 X .032 ± .010) SLOT NOTE: LOCKWASHER AND HEX NUT TO BE SUPPLIED WITH EACH UNIT. TOLERANCES: EXCEPT WHERE NOTED .51 .13 DECIMALS: .XX ± .XXX ± (.020), (.005) FRACTIONS: ±1/64 MM DIMENSIONS: (IN.) CCW 2 WIPER 3 1 CW CLOCKWISE Recommended Part Numbers Part Number Resistance (Ω) Resolution (%) 3435S-1-102 3435S-1-202 3435S-1-502 3435S-1-103 3435S-1-503 1,000 2,000 5,000 10,000 50,000 .208 .178 .135 .107 .057 3435 - Precision Potentiometer Panel Thickness Dimensions 2.46 - 3.81 (.097 - .150) PANEL HEX NUT 10.44 ± .07 DIA. (.411 ± .003) E T E L O S B O 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. 03/12 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications