Model 140 www.vishay.com Vishay Spectrol 1 / (12.7 mm) Single - Turn Wirewound 2 Bushing Mount Type Precision Potentiometer FEATURES Ohmic value range: 50 up to 20 k Smallest size available: 12.7 mm Mechanical stops on request click logo to get started High torque and sealed versions available DESIGN SUPPORT TOOLS Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 Models Available QUICK REFERENCE DATA Sensor type ROTATIONAL, single turn wirewound Output type Output by turrets Professional Market appliance 1 / (12.7 mm) Dimensions 2 ELECTRICAL SPECIFICATIONS PARAMETER Total Resistance 50 to 20 k Tolerance 5 % Absolute Minimum Resistance Linearity x total resistance or 0.5 , whichever is greater Linearity (Independent) 1.0 % Noise 100 ENR Power Rating 2 W at 40 C ambient derating linearly to zero at 125 C Insulation Resistance 1000 M min. 500 V DC Dielectric Strength 1000 V , 60 Hz RMS Electrical Angle 320 5 Linearity x total applied voltage for total resistance above 20 End Voltage 2.0 % of total applied voltage for 20 and below MATERIAL SPECIFICATIONS ENVIRONMENTAL SPECIFICATIONS Stainless steel, non magnetic Vibration 20 g thru 2000 Hz Shaft non-passivated Shock 50 g Housing Aluminum, anodized Salt Spray 96 h Molded glass filled Rotational Life 500 000 shaft revolutions Rear Lid thermoset plastic Load Life 900 h Terminals Brass, gold plated Temperature Range -55 C to +125 C (operating) Mounting Hardware Note Lockwasher Internal Tooth: Steel, nickel plated Nothing stated herein shall be construed as a guarantee of Panel Nut: Brass, nickel plated quality or durability ORDERING INFORMATION 140 B 03502 XXXX MODEL STYLE MECHANICAL OPTIONS FEATURES VALUE SPECIAL REQUEST 140 B: 0: stops, slotted shaft (std) 0: standard torque 470 = 47 Custom reference 222 = 2.200 bushing 1: plain shaft 1: center tap (10K max. Rt) 103 = 10 k 2: shaft lock 2: high torque For ohmic value 3: continuous rotation 3: sealed construction range see electrical specification 4: combination 1 and 2 4: combination 1 and 2 5: combination 1 and 3 5: combination 1 and 3 6: combination 2 and 3 6: combination 2 and 3 7: combination 1, 2, and 3 7: combination 1, 2, and 3 PART NUMBER DESCRIPTION (for information only) 140- 0- 3- 502 xxxx MECHANICAL MODEL FEATURES OHMIC VALUE SPECIAL OPTIONS Revision: 27-Sep-2018 Document Number: 57097 1 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 Model 140 www.vishay.com Vishay Spectrol DIMENSIONS in inches (millimeters) 0.062 WIDE MODEL 140B/140-... 0.250 MTG. (6.10) IMPERFECT + 0.0000 THRO AREA 0.1248 - 0.0003 1/4 - 32 (3.17) + 0.000 - 0.003 UNEF - 2A 120 0.133 R THREAD TYP. (3.38) 0.500 (12.70) 0.187 0.043 (4.75) CW (1.09) 0.056 0.152 0.015 0.031 0.031 (1.42) (3.86) 0.312 (0.79) (0.79) 0.305 0.062 (7.92) 0.010 (7.75) (1.57) 0.700 (17.78) MTG. FACE SHAFT LOCK OPTION CENTER TAP OPTION 0.500 (12.70) 150 TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS 0.005 ANGLES 2 60 0.218 CENTER TAP AVAILABLE AS INTEGRAL SHAFT LOCK SPEC STANDARD FEATURE MECHANICAL SPECIFICATIONS PARAMETER Rotation 330 5 Bearing Type SLEEVE BEARING Torque (maximums) Starting 0.2 oz. - in (14.40 g - cm) Running 0.2 oz. - in (14.40 g - cm) Dead Zone Not applicable Weight 0.1 oz. maximum (2.84 g) Stop Strength 5 in - lbs (5.76 kg - cm) static Runouts (maximum) 0.002 (0.05 cm) Shaft (TIR) 0.002 (0.05 cm) Pilot Dia. (TIR) 0.003 (0.08 cm) Lateral (TIR) 0.006 (0.15 cm) Shaft End Play 0.003 (0.08 cm) Shaft Radial Play POWER RATING CHART RESISTANCE ELEMENT DATA MAXIMUM MAXIMUM 2 STD WIRE RESO- OHMS CURRENT VOLTAGE RESISTANCE TEMP. LUTION PER AT 40 C ACROSS VALUES COEF. (%) TURN AMBIENT COIL ( ) (ppm/C) (mA) (V) 50 0.542 0.271 200.0 10.0 20 1 100 0.431 0.431 141.0 14.1 20 200 0.361 0.722 100.0 20.0 20 0 0 20 40 60 80 100 120 140 160 500 0.312 1.56 63.2 31.6 20 AMBIENT TEMPERATURE IN C 1K 0.255 2.55 44.7 44.7 20 MARKING 2K 0.197 3.94 31.6 63.2 20 Units shall be marked with manufacturers 5K 0.170 8.50 20.0 100.0 20 name, model number, resistance value and 10K 0.147 14.7 14.1 141.0 20 tolerance, circuit diagram, terminal Unit identification, linearity and data code. Identification 20K 0.105 21.0 10.0 200.0 20 Example of a marking for a standard part: 140-1-2-103 Revision: 27-Sep-2018 Document Number: 57097 2 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 RATED POWER IN W