model 657 vishay spectrol document number: 57077 for technica l questions, contact: sfer@vishay.com www.vishay.com revision: 18-jun-07 23 industrial rotary position sensor bushing mount type, conductive plastic features ? fully sealed for high immunity to environmental damage ? excellent temperature stability ? rotational life exceeds 2 million revolutions ? low cost and wide range of options ? stainless steel shaft ? shock to 30 g?s vibration to 15 g?s at 10 to 2000 hz electrical specifications parameter standard resistance 1 k to 100 k capability range 200 k resistance tolerance 20 % linearity 2 % power rating 1.0 w at 85 c electrical travel 240 4 dielectric withstanding 500 v rms at 60 hz minimum output smoothness 0.2 % maximum mechanical specifications parameter bearing type sleeve mechanical rotation 250 2 stop strength 10 in - lb minimum 11.5 kg/cm starting torque 3.0 o.z - in maximum 216 g/cm running torque 3.0 oz. - in maximum 216 g/cm ordering information/description 657 b f 0 50 k bo10 model style shaft options shaft bushing options total resistance pac k ag i n g abc b : bushing r - round f - flatted shaft length 0 - 0.875" fms 1 - 0.625" fms 2 - 1.000" fms 3 - 1.250" fms bushing length 0.375" fms 0.250" fms 0.500" fms 0.750" fms flat 0.440? 0.315? 0.440? 0.440? box of 10 pieces sap part numbering guidelines 657b r 1 103 bo10 model end shaft shaft and bushing options ohmic value packaging r : round (see above)
model 657 vishay spectrol industrial rotary position sensor bushing mount type, conductive plastic www.vishay.com for technical questions, contact: sfer@vishay.com document number: 57077 24 revision: 18-jun-07 dimensions in inches (millimeters) 0.500 (12.70) ? 0.2497 (6.34 - 0.01) + 0.0000 - 0.0003 0.030 max. (0.76) 0.031 (0.79) 0.428 (10.87) 0.015 0.014 (0.36) 0.625 (15.81) 0.688 (17.46) 0.375 (9.53) 0.143 (3.64) 0.035 x 0.075 (0.89 x 1.91) minimum wire opening 0.151 (3.84) 0.093 (2.36) 0.042 ? 0.375 0.002 x 0.030 max. wide pilot (9.53 x 0.76 max. wide pilot) + 0.000 - 0.051 3 / 8 - 32 unef - 2a 0.216 (5.49) 0.015 90 5 spectrol 657-x-x-xxx xxxx mex 3 2 1 shaft flat and phasing diagram with shaft flat positioned as shown, output ratio to be e/e = 0.50 0.02 decimals: xx 0.01 inches ( 0.25 mm) xx 0.005 inches ( 0.13 mm) angles: 2 a 0.031 b c cw schematic 2 3 1 standard resistance values code resistance ( ) 102 1k 202 2k 502 5k 103 10k 203 20k 503 50k 104 100k material specifications shaft stainless steel bushing nickel plated brass housing thermoplastic element conductive plastic on alumina substrate environmental specifications rotational life 2 million revolutions vibration 15 g?s at 10 to 2000 hz operating temperature - 40 c to + 125 c storage temperature - 55 c to + 150 c temperature coefficient 600 ppm/c shock 30 g?s resistant to solder heat 350 c for 5 s moisture resistance ip rating sealed construction ip67* application to provide protection for wiring terminals marking unit identification vishay spectrol, part number, data code, country of origin and terminal designation
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of vishay. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners.
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