Model 142 www.vishay.com 1/ Vishay Spectrol 2" (12.7 mm) Single - Turn Wirewound Servo Mount Type Precision Potentiometer FEATURES • Ohmic value range: 50 up to 20 k • Smallest size available: 12.7 mm • Center tap on request • Custom shafts available on request • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 QUICK REFERENCE DATA Sensor type Output type Market appliance ROTATIONAL, single turn wirewound Output by turrets Professional 1/ " 2 Dimensions (12.7 mm) ELECTRICAL SPECIFICATIONS PARAMETER 50 to 20 k Total Resistance Tolerance ±5% Linearity x total resistance or 0.5 , whichever is greater Absolute Minimum Resistance Linearity (independent) ± 1.0 % 100 ENR Noise Power Rating 2 W at 40 °C ambient derating linearly to zero at 125 °C Insulation Resistance 1000 M min. 500 VDC Dielectric Strength 1000 VRMS, 60 Hz Electrical Angle 350° +0° -4° Linearity x total applied voltage for total resistance above 20 ; 2.0 % of total applied voltage for 20 and below End Voltage MATERIAL SPECIFICATIONS ENVIRONMENTAL SPECIFICATIONS Vibration Stainless steel, non magnetic non-passivated Shaft 20 g thru 2000 Hz Shock Housing Aluminum, anodized Rear Lid Molded glass filled thermoset plastic Rotational Life Terminals Brass, gold plated Load Life 50 g Salt Spray 96 h 500 000 shaft revolutions 900 h Temperature Range -55 °C to +125 °C (operating) Note • Nothing stated herein shall be construed as a guarantee of quality or durability. ORDERING INFORMATION/DESCRIPTION 142S 0 0 10K BO10 MODEL MECHANICAL OPTIONS SPECIAL FEATURE OHMIC VALUE PACKAGING 0. Continuous rotation, plain shaft (std.) 0. Standard torque 1. Center tap (10K max. Rt) Box of 10 pieces SAP PART NUMBERING GUIDELINES 142S 0 1 502 B10 MODEL MECHANICAL OPTIONS SPECIAL FEATURE OHMIC VALUE PACKAGING 1: With center tap 502 = 5K Box of 10 pieces Revision: 27-Mar-15 Document Number: 57039 1 For technical questions, contact: [email protected] 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 Model 142 www.vishay.com Vishay Spectrol DIMENSIONS in inches (millimeters) MODEL 142S/142-... 120° TYP 150° 0.133 R (3.38) Ø 0.375 (9.52) 0.32 (0.81) CW 0.062 (1.57) 0.062 (1.57) 0.152 (3.86) 0.625 (15.88) + 0.010 0.500 (12.70) 0.062 (1.57) MTG FACE Ø 0.500 (12.70) TOLERANCES: UNLESS OTHERWISE NOTED, ± 0.005, ANGLES ± 2° ± 0.0005 DECIMALS Ø 0.4370 MTG 60° + 0.000 (11.10) CENTER TAP AVAILABLE AS - 0.0003 SPEC STANDARD FEATURE Ø 0.1248 (3.17) MECHANICAL SPECIFICATIONS PARAMETER Rotation 360° continuous Bearing Type Torque (maximums) Starting Running Dead Zone BALL BEARING 0.075 oz. - in (5.40 g - cm) 0.05 oz. - in (3.60 g - cm) 0.20 oz. - in (14.40 g - cm) Weight 0.3 oz. (8.50 g) maximum Runouts (maximum) Shaft (TIR) Pilot Dia. (TIR) Lateral (TIR) Shaft End Play Shaft Radial Play 0.002" (0.05 cm) 0.002" (0.05 cm) 0.002" (0.05 cm) 0.004" (0.10 cm) 0.002" (0.05 cm) RATED POWER IN W POWER RATING CHART RESISTANCE ELEMENT DATA 2 STD RESISTANCE VALUES () 1 0 0 20 40 60 80 100 120 140 160 AMBIENT TEMPERATURE IN °C MARKING Unit Identification Units shall be marked with manufacturer’s name, model number, resistance value and tolerance, circuit diagram, terminal identification, linearity and data code. Example of a marking for a standard part: 142-0-1-102 Revision: 27-Mar-15 MAXIMUM MAXIMUM WIRE RESO- OHMS CURRENT VOLTAGE TEMP. ACROSS AT 40 °C LUTION PER COEF. COIL (%) TURN AMBIENT (ppm/°C) (V) (mA) 50 0.542 0.271 200.0 10.0 20 100 0.431 0.431 141.0 14.1 20 200 0.361 0.722 100.0 20.0 20 500 0.312 1.56 63.2 31.6 20 1K 0.255 2.55 44.7 44.7 20 2K 0.197 3.94 31.6 63.2 20 5K 0.170 8.50 20.0 100.0 20 10K 0.147 14.7 14.1 141.0 20 20K 0.105 21.0 10.0 200.0 20 Document Number: 57039 2 For technical questions, contact: [email protected] 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 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 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We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000