Model 202 www.vishay.com Vishay Spectrol 1 3/4" (44.5 mm) Single Turn Wirewound Precision Potentiometer FEATURES • Large range of ohmic values: 5 to 65 k • Screw, servo or bushing mount types available • Up to 6 sections on the same shaft • Extra taps upon 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 Dimensions 1 ¾" (44.5 mm) ELECTRICAL SPECIFICATIONS PARAMETER Total Resistance Tolerance: 50 and above Below 50 SPECIAL 65 k ±1% ±3% STANDARD 5 to 50 k ±3% ±5% Absolute Minimum Resistance Linearity x total resistance or 0.5 , whichever is greater End Voltage Linearity x total applied voltage for total resistance above 20 , 2.0 % of total applied voltage for 20 and below BEST PRACTICAL ± 0.50 % ± 0.35 % ± 0.20 % ± 0.15 % STANDARD ± 1.00 % ± 0.50 % ± 0.25 % ± 0.25 % Linearity (independent) 5 to 50 50 to 500 500 to 2 k 2 k and above 100 ENR Noise Electrical Angle 350° ± 2° Power Rating: Section 1 : 3.5 W Additional Sections 70 °C ambient derated to zero at 125 °C 75 % of the rating of section 1 (2.6 W at 70 °C) Insulation Resistance 1000 M minimum, 500 VDC Dielectric Strength 1000 VRMS, 60 Hz Taps (extra) From 1 up to 19 (max.) Phasing (CCW end points) Additional sections phased to section 1 within ± 1° ORDERING INFORMATION/DESCRIPTION 202 C 1 50K BO1 MODEL MOUNTING TYPE NUMBER OF SECTIONS OHMIC VALUE PACKAGING B: Bushing S: Servo C: Screw From 1 up to 6 (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 202 S 1 503 B01 MODEL MOUNTING TYPE NUMBER OF SECTIONS OHMIC VALUE PACKAGING 503 = 50K Box of 1 piece Servo Revision: 09-Apr-13 Document Number: 57052 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 202 www.vishay.com Vishay Spectrol DIMENSIONS in inches (millimeters) SCREW MOUNT: 202C/202-3 3 ± 0.010 0.800 (20.32) 1 ± 0.031 1 16°, 20° TYP. 0.625 (15.88) 2 + 0.000 MTG. - 0.0005 Ø 0.7500 (19.05) 0.062 (1.57) + 0.000 Ø 0.2497 - 0.0003 (6.34) 0.312 MIN. (7.92) 1.075 R (27.30) MAX. 45° ± 5° ± 0.015 Ø 1.750 (44.45) 6.32 UNC-2BX 187 ± 0.015 DEEP (4.75) 2 PLACES ON 1.000 Ø B.C. (25.40) 1.015 (25.75) MAX. MTG. FACE SERVO MOUNT: 202S/202-2 ± 0.010 0.831 (21.11) 1 BUSHING MOUNT: 202B/202-1 ± 0.010 ± 0.031 0.625 (15.88) 1 0.073 MIN. (1.85) 0.093 (2.36) 0.062 (1.57) 0.340 MIN. (8.64) 0.705 (17.91) ± 0.031 0.875 (22.22) ± 0.015 0.375 (9.52) 0.239 MIN. (6.07) + 0.0000 Ø 0.2497 - 0.0003 (6.34) 0.062 (1.57) + 0.0000 Ø 0.4062 - 0.0010 MGT. (10.32) + 0.0000 - 0.0005 Ø 1.5620 MTG. (39.67) Ø 1.750± 0.015 (44.45) ± 0.015 Ø 1.750 (44.45) ± 0.015 Ø 1.750 (44.45) 2 CW 3 1 Ø 1.562 MAX. (39.67) MTG. FACE + 0.0000 0.2497 - 0.0003 Ø (6.34) TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS ± 0.005 ANGLES ± 2° SCHEMATIC MTG. FACE 1 3/ 8 32 UNEF-2A ADD 0.500 ± 0.002 FOR EACH ADDITIONAL SECTION (12.70) MECHANICAL SPECIFICATIONS PARAMETER Mechanical Rotation Bearing Type Ganging Torque (maximums) 1 Section Servo and Screw Types Bushing, 1 Section 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 (maximums): Single Section Each Additional Section Revision: 09-Apr-13 360° (continuous) Screw and servo mount: Ball bearing Bushing mount: Sleeve bearing 6 sections maximum, terminal alignment, added sections, within ± 10° of section 1 terminals RUNNING STARTING 0.4 oz. - in (28.80 g - cm) 0.7 oz. - in (50.40 g - cm) 0.7 oz. - in (50.40 g - cm) 1.0 oz. - in (72.00 g - cm) 0.3 oz. - in (21.60 g - cm) 0.4 oz. - in (28.80 g - cm) BUSHING SERVO AND SCREW 0.002" (0.05 cm) 0.002" (0.05 cm) 0.002" (0.05 cm) 0.002" (0.05 cm) 0.005" (0.13 cm) 0.003" (0.08 cm) 0.005" (0.13 cm) 0.005" (0.13 cm) 0.003" (0.08 cm) 0.002" (0.05 cm) 1.0 g - cm2 per section maximum 3.0 oz. (85.05 g) 1.0 oz. (28.35 g) Document Number: 57052 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 202 www.vishay.com Vishay Spectrol MATERIAL SPECIFICATIONS ENVIRONMENTAL SPECIFICATIONS Housing and Lids Vibration Aluminum, anodized Shaft And Clamp Rings 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 15 g thru 2000 Hz Shock 50 g Salt Spray 96 h Rotational Life MARKING Units shall be marked with Vishay Spectrol name, model number and data code on each section, resistance, resistance tolerance, linearity and terminal identification. Example of a marking for a standard part: 202-22103 102 Unit Identification 1 million shaft revolutions Load Life 900 h Operating Temperature Range - 55 °C to + 125 °C RESISTANCE ELEMENT DATA POWER RATING CHART RATED POWER IN W MAXIMUM MAXIMUM CURRENT VOLTAGE TEMP. ACROSS AT 70 °C COEF. COIL AMBIENT (ppm/°C) (V) (mA) STANDARD RESISTANCE VALUES () RESOLUTION (%) OHMS PER TURN 5 0.320 0.016 835 4.19 800 10 0.240 0.024 591 5.92 800 20 0.190 0.038 418 8.37 800 50 0.212 0.106 264 13.3 20 100 0.181 0.181 187 18.7 20 200 0.150 0.300 133 26.3 20 500 0.115 0.575 83.4 42.0 20 1K 0.103 1.03 59.1 59.2 20 2 2K 0.094 1.89 41.8 83.7 20 5K 0.068 3.42 26.4 133 20 0 10K 0.059 5.91 18.7 187 20 20K 0.048 9.52 13.2 265 20 50K 0.044 22.0 8.37 422 20 (Ratings for cup No. 1. Additional cups 75 % of values shown) 8 6 SPECIAL 150 °C 4 STANDARD 125 °C 20 40 60 80 100 120 140 AMBIENT TEMPERATURE IN °C Revision: 09-Apr-13 160 Document Number: 57052 3 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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