Features 51 mm (2 ) diameter, single-turn Non-standard features and speci cations conductive plastic available Excellent resolution Ball bearings High rotational life Bushing mount Gangable up to 10 cups 6674 - Precision Potentiometer 1 Product Dimensions Electrical Characteristics Standard Resistance Range....................................................................................1 K to 100 K ohms 22.23 .79 Total Resistance Tolerance ......................................................................................................... 10 % (7/8 1/32) Independent Linearity .............................................................................................................. 0.25 % SLOT 6.35 Effective Electrical Angle .......................................................................................................350 2 MIN. 1.19 (.25) WIDE X End Voltage ................................................ 0.1 % maximum (0.2 % at 2 K ohms, 0.4 % at 1 K ohms) (.047) 9.53 .40 1.60 Output Smoothness ..................................................................................................................... 0.1 % DEEP (3/8 1/64) (.063) Dielectric Strength (VRMS) .38 Sea Level ..........................................................................................................1,000 VAC minimum X 45 10 (.015) Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever is Less) CHAMFER +70 C ....................................................................................................................................2 watts +125 C ....................................................................................................................................0 watt 50.8 10.317+.000/-.051 Insulation Resistance (300 VDC) ................................................................1,000 megohms minimum (2.00) (.4062+.000/-.002) Resolution.................................................................................................................Essentially in nite 6.342+.000/-.008 1 Environmental Characteristics 3/8 -32 (.2497+.0000/-.0003) UNEF DIA. SHAFT Operating Temperature Range .................................................................................-40 C to +125 C 15.24 .79 Storage Temperature Range ....................................................................................-65 C to +125 C (.600 .031) Temperature Coef cient Over Storage Temperature Range ................................................ 5 % TRS Vibration ........................................................................................................................................15 G 5.08 ADD FOR EACH ADDITIONAL CUP. (.20) Wiper Bounce ...........................................................................................0.1 millisecond maximum Total Resistance Shift ...............................................................................................2 % maximum Shock 60 G Wiper Bounce ...........................................................................................0.1 millisecond maximum 15 15 3 Load Life ............................................................................................................1,000 hours, 1.5 watts 3 1 Total Resistance Shift .............................................................................................10 % maximum 3 Rotational Life (No Load)......................................................................... 25,000,000 shaft revolutions 2 90 MAX. Total Resistance Shift .............................................................................................10 % maximum 29.59 Moisture Resistance (MIL-STD-202, Method 106) MAX. (1.165) Total Resistance Shift .............................................................................................10 % maximum IP Rating ....................................................................................................................................... IP 40 1 Mechanical Characteristics 19.05 .13 (.780 .005) Mechanical Angle ............................................................................................................... Continuous OPTIONAL Torque (Starting & Running) ...........................................................0.53 N-cm (0.75 oz.-in.) maximum A/R PIN 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. TOLERANCES: EXCEPT WHERE NOTED Shaft Radial Play ..........................................................................................0.10 mm (0.004 in.) T.I.R51 .13 Backlash ....................................................................................................................... 0.1 maximum DECIMALS: .XX .XXX (.020), (.005) Weight 90 gm FRACTIONS: 1/64 Terminals ........................................................................................................Side exit turret terminals MM. Soldering Condition DIMENSIONS: (IN.) 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 ux 260 C (500 F) max. for 5 seconds WIPER Wash processes ..................................................................................................Not recommended 2 Marking .................................Manufacturers name and part number, resistance value and tolerance, linearity tolerance, wiring diagram, and date code CW CCW 3 1 Ganging (Multiple Section Potentiometers) ...............................................................10 cup maximum CLOCKWISE Hardware ....................................................One lockwasher (H-37-2) and one mounting nut (H-38-2) is shipped with each potentiometer. 1 At room ambient: +25 C nominal and 50 % relative humidity nominal, except as noted. Recommended Part Numbers WARNING Part Number* Resistance () Cancer and Reproductive Harm 6674S-1-102 1,000 www.P65Warnings.ca.gov 6674S-1-502 5,000 *RoHS Directive 2015/863, Mar 31, 2015 and Annex. 6674S-1-103 10,000 Specications are subject to change without notice. BOLDFACE LISTINGS ARE IN STOCK AND READILY Users should verify actual device performance in their specic applications. AVAILABLE THROUGH DISTRIBUTION. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. FOR OTHER OPTIONS CONSULT FACTORY. *RoHS COMPLIANT 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. 0.127 MM TOLERANCES: DIMENSIONS: (.005) (INCHES) Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com EMEA: Tel: +36 88 885 877 Email: eurocus bourns.com The Americas: Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com REV. 10/19 Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.