Model 702 www.vishay.com 7/ 8" Vishay Spectrol (22.2 mm) Single Turn Wirewound (Precision Potentiometer) FEATURES • Large range of ohmic values: From 5 up to 100 k • Bushing mount or servo mount types are available • Extra taps upon request QUICK REFERENCE DATA • Gangable up to 6 sections Sensor type Output type Market appliance • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 ROTATIONAL, single turn wirewound Output by turrets Professional 7/ " 8 Dimensions (22.2 mm) ELECTRICAL SPECIFICATIONS PARAMETER Total resistance: (bushing 91 k max.) Tolerance: 20 and above Below 20 STANDARD 5 to 20 k SPECIAL to 30 k ±3% ±5% ±1% ±3% Linearity x total resistance or 0.5 whichever is greater Absolute minimum resistance Linearity x total applied voltage for total resistance above 20 , 2.0 % of total applied voltage for 20 and below End voltage Linearity (independent) 5 to 100 100 to 500 500 to 5 k 5 k and above STANDARD ± 1.0 % ± 1.0 % ± 0.5 % ± 0.5 % BEST PRACTICAL ± 0.75 % ± 0.50 % ± 0.35 % ± 0.25 % 100 ENR Noise Electrical angle 350° ± 2° Power rating Section 1 Additional sections 1.25 W at 70 °C ambient derated to zero at 125 °C 75 % of the rating of section 1 (0.94 W at 70 °C) Insulation resistance 1000 M minimum, 500 VDC Dielectric strength 1000 VRMS, 60 Hz Taps (extra) 9 available as special, standard tolerance ± 2° Phasing (CCW end points) Additional sections phased to section 1 within ± 1° ORDERING INFORMATION/DESCRIPTION The model 702 can be ordered from this datasheet with a variety of alternate characteristics, as shown. For most rapid service on your order, please state: 702 B 1 20K BO1 MODEL MOUNTING TYPE NUMBER OF SECTIONS OHMIC VALUE PACKAGING B: Bushing S: Servo From 1 up to 6 sections (max.) Box of 1 piece Other characteristics will be standard as described on this datasheet. If special characteristics are required, such as: special linearity tolerance, special resistance tolerance, extra taps, non-linear functions, etc., please state these on your order and allow additional lead time for delivery. SAP PART NUMBERING GUIDELINES 702 S 2 050 100 B01 MODEL MOUNTING TYPE NUMBER OF SECTIONS OHMIC VALUE OHMIC VALUE PACKAGING Section No 1 050 = 5 Section No 2 100 = 10 Box of 1 piece S: Servo Revision: 27-Jun-12 Document Number: 57069 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 702 www.vishay.com Vishay Spectrol DIMENSIONS in inches (millimeters) ± 0.010 0.687 (17.45) 1 BUSHING MOUNT: 702B ± 0.031 0.500 (12.70) 0.308 MIN. TYP (7.82) Ø 0.4062 MTG.- 0.0010 (10.32) 0.062 (1.57) 3/ 8 30° TYP. 1 2 + 0.0000 Ø 0.1248 - 0.0003 (3.17) Ø 0.875 (22.22) MTG. FACE 3 + 0.0000 0.250 (6.35) ± 0.015 - 32 UNEF - 2A ± 0.010 0.687 (17.45) 1 R 0.640 (16.26) MAX. ± 0.031 0.500 (12.70) 0.062 (1.57) 0.062 (1.57) 0.062 (1.57) SERVO MOUNT: 702S + 0.0000 Ø 0.7500 - 0.0005 (19.05) ± 0.015 2 CW 0.875 (22.22) Ø 0.875 (22.22) 3 1 SCHEMATIC 1 Ø 0.750 MAX. (19.05) + 0.0000 MTG. FACE ADD 0.500 (12.70) ± 0.002 FOR EACH ADDITIONAL SECTION Ø 0.1248 - 0.0003 (3.17) TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS ± 0.005 ANGLES ± 2° MECHANICAL SPECIFICATIONS PARAMETER Rotation Bearing type Ganging Torque (maximum) Servo section 1 Bushing section 1 Each additional section Mechanical runouts (maximums): Shaft runout (TIR/In) Pilot dia. runout (TIR) Lateral runout (TIR) Shaft end play Shaft radial play Moment of inertia Weight: Single section Each additional section Revision: 27-Jun-12 360° continuous SERVO Ball bearing BUSHING Sleeve bearing 6 sections maximum Terminal alignment, added sections within ± 10° of section 1 terminals STARTING 0.10 oz. - in (7.20 g - cm) 0.25 oz. - in (18.00 g - cm) 0.10 oz. - in (7.20 g - cm) RUNNING 0.085 oz. - in (6.12 g - cm) 0.20 oz. - in (14.40 g - cm) 0.075 oz. - in (5.40 g - cm) SERVO 0.002" (0.05 cm) 0.002" (0.05 cm) 0.002" (0.05 cm) 0.005" (0.13 cm) 0.002" (0.05 cm) BUSHING 0.002" (0.05 cm) 0.002" (0.05 cm) 0.005" (0.13 cm) 0.005" (0.13 cm) 0.004" (0.10 cm) 0.12 g - cm2 per section maximum 0.6 oz. (17.01 g) 0.2 oz. (5.67 g) Document Number: 57069 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 Model 702 www.vishay.com Vishay Spectrol MATERIAL SPECIFICATIONS Housing and lids ENVIRONMENTAL SPECIFICATIONS Aluminum, anodized Shaft Stainless steel, non-magnetic non-passivated Terminals Brass, plated for solderability Bushing mount hardware Lockwasher internal tooth: Panel nut: Steel, nickel plated Brass, nickel plated Vibration 15 g thru 2000 CPS Shock 50 g Salt spray 96 h Rotational life MARKING Unit identification Load life Units shall be marked with Vishay Spectrol name, model no and date code, and on each section: resistance, resistance tolerance, linearity and terminal identification POWER RATING CHART (Ratings for cup No. 1. Additional cups 75 % of values shown) RATED POWER IN W 3 2 1.5 1 0 20 1 million shaft revolutions SPECIAL (150 °C) STANDARD (125 °C) 40 60 80 100 120 140 AMBIENT TEMPERATURE IN °C Revision: 27-Jun-12 160 900 h Operating temperature range: - 55 °C + 125 °C RESISTANCE ELEMENT DATA MAXIMUM MAXIMUM WIRE STANDARD RESO- OHMS CURRENT VOLTAGE TEMP. RESISTANCE AT 70 °C ACROSS LUTION PER COEF. VALUES COIL (%) TURN AMBIENT (ppm/°C) () (V) (mA) 5 0.460 0.023 500 2.50 800 10 0.378 0.038 354 3.54 800 20 0.374 0.075 250 5.00 180 50 0.300 0.150 158 7.90 180 100 0.271 0.271 112 11.2 20 200 0.235 0.478 79.1 15.8 20 500 0.206 1.03 50.0 25.0 20 1K 0.156 1.56 35.4 35.4 20 2K 0.127 2.55 25.0 50.0 20 5K 0.101 5.07 15.8 79.0 20 10K 0.95 8.50 11.2 112.0 20 20K 0.90 17.9 7.90 158.0 20 50K 0.75 37.9 5.00 250.0 20 100K 0.65 64.5 3.54 354.0 20 Document Number: 57069 3 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. 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 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. 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