model 357 www.vishay.com vishay spectrol revision: 17-apr-13 1 document number: 57059 for technical questions, contact: sferprecisionpot@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 7 / 8 " (22.2 mm) conductive plastic potentiometer, bushing mount type features ? 7 / 8 " diameter single turn ? compact size, advanced design technology ? offer a cost effective solution to your potentiometer requirements ? suitable model for all industrial applications ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 quick reference data sensor type rotational , conductive plastic output type output by turrets market appliance industrial dimensions 7 / 8 " (22.2 mm) electrical specifications parameter resistance standard range, 1 k ? to 50 k ? tolerance standard 20 % special to 10 % linearity (independent) standard 2.0 % special 1.0 % output smoothness 0.1 % maximum tcr 600 ppm/c maximum power rating 1.0 w at 70 c derated to 0 w at 125 c electrical travel 340 3 end voltage 0.5 % maximum dielectric withstanding voltage 1000 v rms , 60 hz insulation resistance 1000 m ? , 500 v dc mechanical specifications parameter rotation 360 continuous (optional mechanical stops 340 3) mounting 3/8 - 32 unef - 2a operating torque maximum starting and running 3.68 mnm (0.5 oz. - in) shaft tolerance maximum runout 0.13 mm (0.005") end play 0.25 mm (0.010") radial play 0.13 mm (0.005") weight 17.5 g (0.62 oz.) ordering information/description 357 b 0 10k 20 % a bo50 0 p 22 e4 model style features ohmic value tolerance on ohmic value linearity packaging shaft type lead finish bushing 0 non turn pin and continuous rotation from 1k to 50 k 10 % or 20 % x: 2 % a: 1 % box of 50 pieces shaft diameter ? 0 = 6.0 mm or ? 1 = 6.35 mm (1/4") 1 no non turn pin and continuous rotation shaft type ? p = plain ? s = slotted fmf (from mounting face) 2 non turn pin, with stops on rotation range from ? 12 mm to 75 mm in ? 1 mm increments 3 no non turn pin with stops on rotation
model 357 www.vishay.com vishay spectrol revision: 17-apr-13 2 document number: 57059 for technical questions, contact: sferprecisionpot@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 dimensions in millimeters sap part numbering guidelines 357b 2 203 m x b25 1s22 model features ohmic value tolerance on ohmic value linearity packaging shaft type 203 = 20k m: 20 %/k: 10 % x: 2 % box of 50 pieces 7.92 0.2 ? 6.35 mm shaft version ? 6.0 mm shaft va riation: metric tolerances: linear 0.50 angular 2 signal schematic 2 3 1 ? 1.57 0.1 90 3 1 2 r 4.5 identification label 10.3 ? 6 0 - 0.05 ? 6.345 0 - 0.05 3/8-32 unef-2a 1.57 0.64 0.2 22 8.8 1.5 9.4 3 x 3.2 environmental specifications vibration 15 g , 10 hz to 2000 hz shock 50 g load life 1000 h storage temperature ra nge - 55 c to + 125 c life 5 000 000 shaft revolutions materials housing thermopla stic housing bushing brass, nickel plated rear lid alumina shaft stainless steel terminals turret ty pe, solder plated bushing mount hardware lockwasher internal tooth steel, nickel plated panel nut brass nickel plated marking unit ? indentification manufacturers name and model number, resistance value and tolerance, linearity specification date code and terminal identification. ? example of a marking for a standard part: 357-0-0-1s22-103 resistance value ohms 1k, 2k, 5k, 10k, 20k, 50k
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