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| Model 140 Vishay Spectrol (12.7 mm) Single - Turn Wirewound Bushing Mount Type Precision Potentiometer FEATURES * Ohmic value range: 50 up to 20 k * Smallest size available: 12.7 mm * Mechanical stops on request * High torque and sealed versions available 1/ 2" RoHS COMPLIANT ELECTRICAL SPECIFICATIONS PARAMETER Total Resistance Tolerance Absolute Minimum Resistance Linearity (Independent) Noise Power Rating Insulation Resistance Dielectric Strength Electrical Angle End Voltage 50 to 20 k 5% Linearity x total resistance or 0.5 , whichever is greater 1.0 % 100 ENR 2 W at 40 C ambient derating linearly to zero at 125 C 1000 M min. 500 VDC 1000 VRMS, 60 Hz 320 5 Linearity x total applied voltage for total resistance above 20 ; 2.0 % of total applied voltage for 20 and below MATERIAL SPECIFICATIONS Shaft Housing Rear Lid Terminals Mounting Hardware Lockwasher Internal Tooth: Panel Nut: Stainless steel, non magnetic non-passivated Aluminum, anodized Molded glass filled thermoset plastic Brass, gold plated Steel, nickel plated. Brass, nickel plated ENVIRONMENTAL SPECIFICATIONS Vibration Shock Salt Spray Rotational Life Load Life Temperature Range 20 G thru 2000 Hz 50 g 96 h 500 000 shaft revolutions 900 h - 55 C to + 125 C (operating) ORDERING INFORMATION/DESCRIPTION 140B MODEL 0 MECHANICAL OPTIONS 0. Stops, slotted shaft (std) 1. Plain shaft 2. Shaft lock 3. Continuous rotation 4. Combination 1 and 2 5. Combination 1 and 3 6. Combination 2 and 3 7. Combination 1, 2 and 3 0 SPECIAL FEATURE 0. Standard torque 1. Center tap (10K max. Rt) 2. High torque 3. Sealed construction 4. Combination 1 and 2 5. Combination 1 and 3 6. Combination 2 and 3 7. Combination 1, 2 and 3 20K OHMIC VALUE BO10 PACKAGING Box of 10 pieces SAP PART NUMBERING GUIDELINES 140B MODEL 7 MECHANICAL OPTION From 0 to 7 0 FEATURE From 0 to 7 103 OHMIC VALUE 103 = 10K B10 PACKAGING Box of 10 pieces www.vishay.com 88 For technical questions, contact: sfer@vishay.com Document Number: 57097 Revision: 28-Jun-07 Model 140 (12.7 mm) Single - Turn Wirewound Bushing Mount Type Precision Potentiometer DIMENSIONS in inches (millimeters) 0.062 WIDE IMPERFECT THR'O AREA 120 TYP. 1/ 2" Vishay Spectrol O 0.250 MTG. (6.10) 1/4 - 32 UNEF - 2A THREAD O 0.1248 - 0.0003 (3.17) O 0.500 (12.70) 0.187 (4.75) 0.031 (0.79) + 0.0000 0.133 R (3.38) CW + 0.000 - 0.003 0.152 (3.86) 0.056 (1.42) 0.305 (7.75) 0.015 0.312 (7.92) 0.031 (0.79) 0.010 0.700 (17.78) MTG. FACE O 0.062 (1.57) SHAFT LOCK OPTION 0.500 (12.70) CENTER TAP OPTION 150 60 INTEGRAL SHAFT LOCK 0.218 TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS 0.005 ANGLES 2 CENTER TAP AVAILABLE AS SPEC STANDARD FEATURE MECHANICAL SPECIFICATIONS PARAMETER Rotation Bearing Type Torque (Maximums) Starting Running Dead Zone Weight Stop Strength Runouts (Maximum) Shaft (TIR) Pilot Dia. (TIR) Lateral (TIR) Shaft End Play Shaft Radial Play 330 5 SLEEVE BEARING 0.2 oz. - in (14.40 g - cm) 0.2 oz. - in (14.40 g - cm) Not applicable 0.1 oz. maximum (2.84 g) 5 in - lbs (5.76 kg - cm) static 0.002" (0.05 cm) 0.002" (0.05 cm) 0.003" (0.08 cm) 0.006" (0.15 cm) 0.003" (0.08 cm) POWER RATING CHART RATED POWER IN W 2 RESISTANCE ELEMENT DATA STD RESISTANCE VALUES () 50 MAXIMUM MAXIMUM WIRE RESO- OHMS CURRENT VOLTAGE TEMP. LUTION PER AT 40 C ACROSS COEF. (%) TURN AMBIENT COIL (ppm/C) (mA) (V) 0.542 0.431 0.361 0.312 0.255 0.197 0.170 0.147 0.105 0.271 0.431 0.722 1.56 2.55 3.94 8.50 14.7 21.0 200.0 141.0 100.0 63.2 44.7 31.6 20.0 14.1 10.0 10.0 14.1 20.0 31.6 44.7 63.2 100.0 141.0 200.0 20 20 20 20 20 20 20 20 20 1 100 200 0 0 20 40 60 80 100 120 140 160 500 1K 2K 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. 5K 10K 20K Document Number: 57097 Revision: 28-Jun-07 For technical questions, contact: sfer@vishay.com www.vishay.com 89 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 |
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