www.vishay.com for technical ques tions, contact: sf er@vishay.com document number: 57078 174 revision: 09-nov-06 model 18 vishay spectrol model 18 (pr2) 22.2 mm diameter, 15 turn dial features ? no backlash ? compact-requires minimal panel space (22.2 mm diameter requirement) ? for use with precision potent iometers or other rotating devices, up to 15 turns ? designed for metal shaft ? high force ?click brake? ? black color on request dimensions in millimeters (inches) rohs compliant mechanical sp ecifications accepts shaft diameter 6.35 mm (0.250")/6 mm/3.17 mm (0.125")/3 mm number of turns 0 to 15 dial division 50 per turn torque with brake engaged 5 oz. - in (350 gr - cm) min. markings black or satin chrome weight 15 g set srew unc 2-56 hex key size 1.27 mm (0.05") bushing extension beyond panel 6.35 mm (0.250") max. shaft extension beyond panel 18.1 mm (0.710") min. 22.2 mm (0.875") max. ordering information/description 18 a 11 b010 e model shaft diameter accomodation and fixings finish packaging lead finish a 1 / 4 " dia. shaft - 1 set screw b 6 mm metric bore - 1 set screw c 1 / 8 " dia. shaft - 1 set screw d 3 mm metric bore - 1 set screw 11 satin chrome, black markings (standard) 21 black chrome, white markings 41 satin chrome, white markings example: 18 - a - 11 sap part numbering guidelines 18 a 11 b10 model shaft diameter finish packaging 0 9 0 8 0 7 0 6 0 50 4 0 3 0 2 0 1 0 v i s ha y m o d 1 8 ? 0.40 deep 0.30 (? 10.1 prof 7.6) ? 0.65 deep 0.125 (16.5 prof 3.2) 0.025 (0.65) spacer antirotation black plactic 0.05 (1.3) ? 0.250 + 0.001 (6.35 + 0.025) screw 2 - 56 unc hex 0.05 0. 88 0 (22.2) mtg. face 0.375 (9.53) 0.575 (14.6) ? 0. 8 75 (22.2)
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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