302S1102B01

Model 302 www.vishay.com Vishay Spectrol 2" (50.8 mm) Single Turn Wirewound Precision Potentiometer FEATURES • Screw, servo and bushing mount types available • Large range of ohmic values: 5  to 85 k • Extra taps upon request • Gangable up to 6 sections on a same shaft • 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 2" (50.8 mm) ELECTRICAL SPECIFICATIONS PARAMETER  Total resistance: Tolerance 50  and above Below 50  SPECIAL 85 k ±1% ±3% STANDARD 5  to 50 k ±3% ±5% 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 BEST PRACTICAL ± 0.50 % ± 0.35 % ± 0.20 % ± 0.15 % ± 0.10 % STANDARD ± 1.0 % ± 0.50 % ± 0.25 % ± 0.25 % ± 0.25 % Linearity (independent) 5  to 50  50  to 200  200  to 1 k 1 k to 10 k 10 k and above 100  ENR Noise Electrical angle 350° ± 2° Power rating Section 1: 4.0 W Additional sections 70 °C ambient derated to zero at 125 °C 75 % of the rating of section 1 (3.0 W at 70 °C) Insulation resistance 1000 M minimum 500 VDC Dielectric strength 1000 VRMS, 60 Hz Taps (extra) 21 available as special, standard tolerance ± 1° Phasing (CCW end points) Additional sections phased to section 1 within ± 1° ORDERING INFORMATION 3 0 2 B 1 2 0 MODEL STYLE GANGS 302 B: bushing S: servo C: screw 1 2 3 4 Revision: 22-Nov-16 3 2 0 3 X OHMIC VALUE GANGS No 1 OHMIC VALUE GANGS No 2 470 = 47  222 = 2.200  103 = 10 k For ohmic value range see electrical specification 470 = 47  222 = 2.200  103 = 10 k For ohmic value range see electrical specification X X X SPECIAL REQUEST xxxx Document Number: 57057 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 302 www.vishay.com Vishay Spectrol PART NUMBER DESCRIPTION (for information only) 302- 1 1 103 203 xxxx MODEL STYLE GANGS OHMIC VALUE GANGS No 1 OHMIC VALUE GANGS No 2 SPECIAL B: 1 S: 2 C: 3 DIMENSIONS in inches (millimeters) ± 0.010 SCREW MOUNT: 302C/302-3 ± 0.031 0.800 (20.32) 1 0.625 (15.88) 15° TYP. 3 0.062 (1.57) 0.312 MIN. (7.92) 1 2 1.200 R MAX. (30.48) ± 5° 45° + 0.0000 - 0.0005 Ø 0.7500 (19.05) 8 - 32 UNC - 2B 0.187 DEEP (4.75) 3 HOLES EQUALLY SPACED ± 0.015 Ø 2.000 (50.80) ± 0.005 + 0.0000 Ø 0.2497 - 0.0003 (6.34) MTG. FACE 1.140 R MAX. (28.96) Ø 1.250 B.C (31.75) SERVO MOUNT: 302S/302-2 ± 0.010 1 0.831 (21.11) BUSHING MOUNT: 302B/302-1 ± 0.031 ± 0.010 0.625 (15.88) 0.705 (17.91) 0.073 MIN. (1.85) 0.093 (2.36) ± 0.031 0.875 (22.22) 0.239 MIN. (6.07) ± 0.015 0.340 MIN. (8.64) 0.062 (1.57) + 0.0000 Ø 0.2497 - 0.0003 (6.34) 0.375 (9.52) 0.062 (1.57) 3/ 8- 32 UNEF 2A + 0.0000 Ø 1.8750 - 0.0005 (47.62) ± 0.015 Ø 2.000 (50.80) + 0.0000 - 0.0010 Ø 2.000 (50.80) Ø 0.4062 (10.32) ± 0.015 Ø 2.000 (50.80) ± 0.002 Ø 1.812 MAX. (46.02) 1 ADD 0.500 (12.70) FOR EACH ADDITIONAL SECTION Revision: 22-Nov-16 + 0.0000 MTG. FACE MTG. FACE Ø 0.2497 - 0.0003 (6.34) TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS ± 0.005 ANGLES ± 2° 2 CW 3 1 SCHEMATIC Document Number: 57057 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 Model 302 www.vishay.com Vishay Spectrol MECHANICAL SPECIFICATIONS PARAMETER Rotation 360° (continuous) Servo and screw mount: ball Bushing mount: sleeve Bearing type Ganging 6 sections maximum, terminal alignment, added sections, within ± 10° of section 1 terminals Torque (maximums) Servo and screw (1 section) Bushing (1 section) Each added section STARTING 1.0 oz. - in (72.00 g - cm) 1.7 oz. - in (122.42 g - cm) 0.6 oz. - in (43.21 g - cm) RUNNING 0.5 oz. - in (36.00 g - cm) 1.0 oz. - in (72.00 g - cm) 0.4 oz. - in (28.80 g - cm) Mechanical runouts (maximums) Shaft (TIR/in) Pilot dia. (TIR) Lateral (TIR) Shaft end play Shaft radial play SERVO AND SCREWING 0.002" (0.05 cm) 0.002" (0.05 cm) 0.003" (0.08 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) 0.003" (0.08 cm) 2.0 g - cm2 per section maximum Moment of inertia Weight (maximums) Single section: Each additional section: 4.0 oz. (113.40 g) 1.2 oz. (34.02 g) MATERIAL SPECIFICATIONS ENVIRONMENTAL SPECIFICATIONS Housing and lids Vibration Aluminum, anodized Shaft and clamp rings Terminals 15 g thru 2000 Hz Stainless steel, non-magnetic non-passivated Shock 50 g Brass, plated for solderability Salt spray 96 h Rotational life Bushing mount hardware Lockwasher internal tooth: Panel nut: Steel, nickel plated Brass, nickel plated 1 million shaft revolutions Temperature range -55 °C to +125 °C Note • Nothing stated herein shall be construed as a guarantee of quality or durability. MARKING Units shall be marked with Vishay Spectrol name, model no and date code, and on each section, resistance, resistance tolerance, linearity and terminal identification. Example of a marking for a standard part: 302-11202 Unit identification POWER RATING CHART RESISTANCE ELEMENT DATA RATED POWER IN W (Ratings for cup No. 1. Additional cups 75 % of values shown) 8 6 4 SPECIAL 150 °C 2 0 20 STANDARD 125 °C 40 60 80 100 120 140 AMBIENT TEMPERATURE IN °C Revision: 22-Nov-16 160 MAXIMUM MAXIMUM WIRE RESISTANCE RESO- OHMS CURRENT VOLTAGE TEMP. VALUES LUTION PER AT 40 °C ACROSS COEF. COIL () (%) TURN AMBIENT (ppm/°C) (V) (mA) 5 0.320 0.016 893 4.48 800 10 0.200 0.020 633 6.32 800 20 0.165 0.033 447 8.95 800 50 0.148 0.074 283 14.1 800 100 0.151 0.151 200 20.0 20 200 0.126 0.252 141 28.4 20 500 0.115 0.573 89.4 44.7 20 1K 0.098 0.981 63.3 63.2 20 2K 0.085 1.70 44.7 89.5 20 5K 0.059 2.93 28.3 141 20 10K 0.051 5.16 20.0 200 20 20K 0.043 8.55 14.1 284 20 50K 0.032 15.80 8.94 447 20 Document Number: 57057 3 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 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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Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. 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. Product names and markings noted herein may be trademarks of their respective owners. © 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED Revision: 01-Jan-2022 1 Document Number: 91000