138 VISHAY

Document overview

  • Manufacturer or author: Provided By www.digicamel.com(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 3

Technical content

www.vishay.com Vishay Spectrol Revision: 29-Nov-17 1 Document Number: 57033 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 1 5/16" (33.3 mm) Industrial Single Turn, Bushing Mount, Conductive Plastic Potentiometer

FEATURES

  • Center tap available
  • Continuous rotation and mechanical stops both standard
  • Suitable model for all types of industrial

applications

  • Material categorization: fo r definitions of compliance please see www.vishay.com/doc?99912 Note
  • Nothing stated herein shall be construed as a guarantee of quality or durability QUICK REFERENCE DATA Sensor type ROTATIONAL , conductive plastic Output type Output by turrets Market appliance Industrial Dimensions 1 5/16" (33.3 mm) ELECTRICAL SPECIFICATIONS PARAMETER MIL-PRF-39023 TEST PROCEDURES APPLY STANDARD SPECIAL Ohmic Value Range 1 k  to 50 k 1 k to 50 k Tolerance ± 10 % ± 5 % Linearity (independent) STANDARD BEST PRACTICAL ± 0.5 % ± 0.25 % Output Smoothness 0.1 % maximum Power Rating 40 °C ambient 2 W derated to zero at 125 °C Electrical Angle Continuous 345° ± 4° Stops 340° ± 5° Insulation Resistance 1000 M  minimum at 500 V DC Dielectric Strength 1000 V RMS, 60 Hz Absolute Minimum Resistance 1.0 % of total resistance Minimum Voltage 0.5 % maximum Temperature Coefficient of Resistance ± 600 ppm/°C maximum MATERIAL SPECIFICATIONS Housing Molded glass filled thermoplastic Rear Lid Glass filled thermoset plastic Shaft Stainless steel, non-magnetic Terminals Brass, plated for solderability, non-passivated Mount Hardware Lockwasher Internal Tooth:  Panel nut: Steel, nickel plated Brass, nickel plated ENVIRONMENTAL SPECIFICATIONS Vibration 15 g thru 2000 Hz Shock 50 g Salt Spray 48 h Rotational Life 2 millionShaft Revolutions Operating Temperature Range -55 °C to +125 °C

ORDERING INFORMATION

OPTIONS FEATURES VALUE SPECIAL REQUEST

138 B : bushing 0 = continuous

2 = stops 0 = standard 1 = center tap 470 = 47  222 = 2.200  103 = 10 k For ohmic value range see electrical specification Custom reference

www.vishay.com Vishay Spectrol Revision: 29-Nov-17 2 Document Number: 57033 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 POWER RATING CHART PART NUMBER DESCRIPTION (for information only) 138- 2- 1- 502 xxxx MODEL MECHANICAL OPTIONS FEATURES OHMIC VALUE SPECIAL DIMENSIONS in inches (millimeters) MECHANICAL SPECIFICATIONS PARAMETER Rotation 360° (continuous) 340° ± 5° stops Bearing Type Sleeve Torque (maximums) STARTING 1.0 oz. - in (72 g - cm) RUNNING 0.7 oz. - in (50.40 g - cm) Runouts (maximums) Shaft Runout (TIR) 0.002" (0.05 mm) Pilot Dia. Runout (TIR) 0.003" (0.08 mm) Lateral Runout (TIR) 0.005" (0.13 mm) Shaft End Play 0.008" (0.20 mm) Shaft Radial Play 0.003" (0.08 mm) Weight 1.0 oz. maximum (28.35 g) Stop Strength 8.0 in - lbs (9.21 kg - cm) (stops version only) ± 0.031 0.875 (22.22) Ø 0.4062 MTG. (10.32) + 0.0000 - 0.00200.032 (0.81) Ø 0.2497 (6.34) 0.030 MAX. (0.76) + 0.0000 - 0.0003 0.562 (14.27) 0.032 (0.81) 3/8 - 32 UNEF - 2A Ø 0.125 (3.18) 0.062 (1.57) MTG. SURFACE 0.062 (1.57) 0.625 (15.88) ± 0.015 0.187 (4.75) ± 0.01560° ± 0.015 Ø 0.500 (12.70) BC 0.375 (9.52) ± 0.015 ± 0.010 TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS ± 0.005 ANGLES ± 2° CW SCHEMATIC Ø 1.312 (33.32) ± 0.015 MODEL 138B/138-... 0 20 40 60 80 100 120 140 AMBIENT TEMPERATURE IN °C RATED POWER IN W 6.0 5.0 4.0 3.0 2.0 1.0 MARKING Unit  Identification Units shall be marked with Vishay Spectrol name, model number, resistance and tolerance, linearity, terminal identification, and data code Applicable test procedures: MIL-R-39023 Example of a marking for a standard part: 138-2-0-502

www.vishay.com Vishay Revision: 01-Jan-2022 1 Document Number: 91000 Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA AR E SUBJECT TO CHANGE WITH OUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employee s, and all persons acting on it s or their behalf (collectivel y, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product , (ii) any and all liability, including without limitation specia l, consequential or incidental damages, and (iii) any and all implied warranties, incl uding warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of pro ducts for certain types of applications are based on Vishay's knowledge of typical requirements that are often placed on Vishay products in ge neric applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and / or specificat ions may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer's technical experts. Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein. Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of any of the products, services or opinions of the corporation, organization or individual associated with the third-party website. Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party web site or for that of subsequent links. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. 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. Product names and markings noted herein may be trademarks of their respective owners. © 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED