6657S-1-203 Bourns

S N R Features Bushing mount Shaft supported by front sleeve bearing Non-standard features and speci cations available 6657 - Precision Potentiometer 1 Electrical Characteristics Product Dimensions Standard Resistance Range....................................................................................1 K to 100 K ohms 1.57 Total Resistance Tolerance ......................................................................................................... 10 % (.062) 10.317+.000/-.051 Independent Linearity ................................................................................................................... 1 % (.4062+.000/-.002) Effective Electrical Angle .......................................................................................................340 3 DIA. SHAFT End Voltage .................................................................................................................0.5 % maximum 16.46 .38 (.648 .015) 3/8 -32 UNEF-2ATHD Output Smoothness ..................................................................................................................... 0.1 % Dielectric Withstanding Voltage (MIL-STD-202, Method 301) 6.345 +.000/-.008 Sea Level .............................................................................................................750 VAC minimum (.2498 +.0000/-.0003) 33.34 DIA. SHAFT Power Rating (Voltage Limited By Power Dissipation or 300 VAC, Whichever is Less) (1-5/16) +70 C ................................................................................................................................1.5 watts DIA. 45 5 +125 C ....................................................................................................................................0 watt .38 X Insulation Resistance (500 VDC) ................................................................1,000 megohms minimum (.015) Resolution ................................................................................................................Essentially in nite CHAMFER 1 9.53 .79 Environmental Characteristics (3/8 1/32) Operating Temperature Range .................................................................................-40 C to +125 C 3.18 22.23 .79 Storage Temperature Range ....................................................................................-65 C to +125 C (1/8) (7/8 1/32) Temperature Coef cient Over Storage Temperature Range ...........................500 ppm/C maximum SHAFT SLOT Vibration ........................................................................................................................................15 G 1.19 WIDE Wiper Bounce ...........................................................................................0.1 millisecond maximum (.047) Total Resistance Shift ...............................................................................................5 % maximum 1.60 DEEP X Voltage Ratio Shift .................................................................................................0.5 % maximum (.063) Shock.............................................................................................................................................50 G Wiper Bounce ...........................................................................................0.1 millisecond maximum Total Resistance Shift ...............................................................................................5 % maximum Voltage Ratio Shift .................................................................................................0.5 % maximum 2 Load Life ............................................................................................................1,000 hours, 1.5 watts Total Resistance Shift .............................................................................................10 % maximum CW 6.35 Rotational Life (No Load)......................................................................... 10,000,000 shaft revolutions R (.25) 31 Total Resistance Shift .............................................................................................10 % maximum Moisture Resistance (MIL-STD-202, Method 106) Total Resistance Shift .............................................................................................15 % maximum IP Rating .......................................................................................................................................IP 40 30 3 1 TYP. Mechanical Characteristics Mechanical Angle ............................................................................................................... Continuous Torque (Starting & Running) .............................................................0.40 N-cm (0.5 oz.-in.) maximum Mounting ..............................................................................170-200 N-cm (15-18 lb.-in.) maximum TOLERANCES: EXCEPT WHERE NOTED Shaft Runout...............................................................................................0.025 mm (0.001 in.) T.I.R51 .13 DECIMALS: .XX .XXX Shaft End Play ..............................................................................................0.13 mm (0.005 in.) T.I.R. (.02), (.005) Shaft Radial Play ..........................................................................................0.13 mm (0.005 in.) T.I.R. FRACTIONS: 1/64 MM Backlash ....................................................................................................................... 0.1 maximum DIMENSIONS: (IN.) Weight ........................................................................................................................................ 32 gm Terminals ..................................................................................................................... Rear turret type Soldering Condition Manual Soldering .................................96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire WIPER 2 370 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 CCW 3 CW 1 Wash processes ..................................................................................................Not recommended CLOCKWISE Marking ................................ Manufacturers name and part number, resistance value and tolerance, linearity tolerance, wiring diagram, and date code. Ganging (Multiple Section Potentiometers) .................................................................1 cup maximum Recommended Part Numbers Hardware ....................................................One lockwasher (H-37-2) and one mounting nut (H-38-2) is shipped with each potentiometer. Part Number* Resistance ( ) 6657S-1-102 1,000 1 At room ambient: +25 C nominal and 50 % relative humidity nominal, except as noted. 6657S-1-202 2,000 6657S-1-502 5,000 6657S-1-103 10,000 BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION. FOR OTHER OPTIONS CONSULT FACTORY. *RoHS Directive 2015/863, Mar 31, 2015 and Annex. WARNING Specications are subject to change without notice. Users should verify actual device performance in their specic Cancer and Reproductive Harm applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the www.P65Warnings.ca.gov last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. U O B *RoHS COMPLIANT 6657 - 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 atwww.bourns.com/docs/legal/disclaimer.pdf.