PL IA NT Features *R oH S CO M ■ 51 mm (2 ”) diameter, single-turn ■ ■ ■ ■ conductive plastic Excellent resolution High rotational life Bushing mount Gangable up to 10 cups ■ Non-standard features and specifications available ■ Ball bearings 6674 - Precision Potentiometer Electrical Characteristics1 Product Dimensions Standard Resistance Range....................................................................................1 K to 100 K ohms Total Resistance Tolerance......................................................................................................... ±10 % Independent Linearity .............................................................................................................. ±0.25 % Effective Electrical Angle .......................................................................................................350 ° ±2 ° End Voltage ................................................ 0.1 % maximum (0.2 % at 2 K ohms, 0.4 % at 1 K ohms) Output Smoothness ..................................................................................................................... 0.1 % Dielectric Strength (VRMS) Sea Level ..........................................................................................................1,000 VAC minimum Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever is Less) +70 °C.................................................................................................................................... 2 watts +125 °C....................................................................................................................................0 watt Insulation Resistance (300 VDC) ................................................................ 1,000 megohms minimum Resolution.................................................................................................................Essentially infinite 22.23 .79 (7/8 1/32) 6.35 MIN. (.25) 9.53 .40 (3/8 1/64) SLOT 1.19 WIDE X (.047) 1.60 DEEP (.063) .38 X 45 10 (.015) CHAMFER 50.8 (2.00) 10.317+.000/-.051 (.4062+.000/-.002) 6.342+.000/-.008 3/8 "-32 (.2497+.0000/-.0003) UNEF DIA. SHAFT 15.24 .79 (.600 .031) Environmental Characteristics1 Operating Temperature Range ................................................................................. -40 °C to +125 °C Storage Temperature Range .................................................................................... -65 °C to +125 °C Temperature Coefficient Over Storage Temperature Range ................................................ ±5 % TRS Vibration ........................................................................................................................................15 G Wiper Bounce ........................................................................................... 0.1 millisecond maximum Total Resistance Shift ...............................................................................................±2 % maximum Shock 60 G Wiper Bounce ........................................................................................... 0.1 millisecond maximum Load Life ............................................................................................................ 1,000 hours, 1.5 watts Total Resistance Shift .............................................................................................±10 % maximum Rotational Life (No Load)......................................................................... 25,000,000 shaft revolutions Total Resistance Shift .............................................................................................±10 % maximum Moisture Resistance (MIL-STD-202, Method 106) Total Resistance Shift .............................................................................................±10 % maximum IP Rating ....................................................................................................................................... IP 40 5.08 ADD (.20) FOR EACH ADDITIONAL CUP. 15 3 3 15 3 1 90 2 MAX. 29.59 MAX. (1.165) Mechanical Characteristics1 Mechanical Angle ............................................................................................................... Continuous Torque (Starting & Running) ........................................................... 0.53 N-cm (0.75 oz.-in.) maximum Mounting .................................................................................14-16 N-cm (20-23 oz.-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 ..........................................................................................0.10 mm (0.004 in.) T.I.R. Backlash ....................................................................................................................... 0.1 ° maximum Weight 90 gm Terminals ........................................................................................................Side exit turret terminals 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 Potentiometers) ............................................................... 10 cup maximum Hardware .................................................... One lockwasher (H-37-2) and one mounting nut (H-38-2) is shipped with each potentiometer. 19.05 .13 (.780 .005) OPTIONAL A/R PIN TOLERANCES: EXCEPT WHERE NOTED .51 .13 DECIMALS: .XX .XXX (.020), (.005) FRACTIONS: 1/64 MM. DIMENSIONS: (IN.) 2 CCW WIPER 3 1 CW CLOCKWISE 1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. Recommended Part Numbers Part Number* Resistance (Ω) 6674S-1-102 6674S-1-502 6674S-1-103 1,000 5,000 10,000 BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION. FOR OTHER OPTIONS CONSULT FACTORY. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 6674 - Precision Potentiometer Panel Thickness Dimensions 2.46 - 3.81 (.097 - .150) PANEL HEX NUT 10.44 ± .07 DIA. (.411 ± .003) LOCKWASHER POT 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.