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) RoHS COMPLIANT • For use with precision potentiometers or other rotating devices, up to 15 turns • Designed for metal shaft • High force “Click Brake” • Black color on request MECHANICAL SPECIFICATIONS Accepts Shaft Diameter Number of Turns Dial Division Torque with Brake Engaged Markings Weight Set Srew Hex Key Size Bushing Extension Beyond Panel 6.35 mm (0.250")/6 mm/3.17 mm (0.125")/3 mm 0 to 15 50 per turn 5 oz. - in (350 gr - cm) min. Black or satin chrome 15 g UNC 2-56 1.27 mm (0.05") 6.35 mm (0.250") max. 18.1 mm (0.710") min. 22.2 mm (0.875") max. Shaft Extension Beyond Panel DIMENSIONS in millimeters (inches) 0.880 (22.2) 0.575 (14.6) MTG. FACE 0.375 (9.53) Ø 0.40 DEEP 0.30 (Ø 10.1 PROF 7.6) Ø 0.65 DEEP 0.125 (16.5 PROF 3.2) Ø 0.875 (22.2) 0.025 (0.65) MOD 1 8 80 70 30 20 0 9 0 60 50 4 0 SCREW 2 - 56 UNC HEX 0.05 VISHAY 10 Ø 0.250 + 0.001 (6.35 + 0.025) SPACER ANTIROTATION BLACK PLACTIC 0.05 (1.3) 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 www.vishay.com 174 For technical questions, contact: [email protected] Document Number: 57078 Revision: 09-Nov-06 Legal Disclaimer Notice Vishay Disclaimer 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 for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, 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 medical, 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. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1