Model 852 www.vishay.com Vishay Spectrol 1 13/16" (46 mm) Three Turn Wirewound Upper Grade Precision Potentiometer FEATURES • Large range of ohmic values: 15 to 50 k • Bushing mount, servo mount and srew mount version • Gangable up to 3 sections • Extra taps available upon request QUICK REFERENCE DATA Sensor type ROTATIONAL, multi turn wirewound Output type Market appliance Output by turrets Professional Dimensions 1 13/16" (46 mm) ELECTRICAL SPECIFICATIONS PARAMETER Total resistance Tolerance: 100 and above Below 100 Linearity (independent) 15 to 1 k 1 k to 5 k 5 k to 25 k 25 k and above STANDARD 15 to 50 k ±3% ±5% SPECIAL 150 k ±1% ±3% STANDARD ± 0.25 % ± 0.25 % ± 0.25 % ± 0.25 % SPECIAL ± 0.15 % ± 0.10 % ± 0.075 % ± 0.05 % 100 ENR Noise Electrical rotation 1080° +4° -0° Power rating Section 1 Additional sections 2.0 W at 70 °C ambient, derated to zero at 125 °C 75 % of the rating of section 1 (1.5 W at 70 °C) Insulation resistance 1000 M minimum, 500 VDC Dielectric strength 1000 VRMS, 60 Hz 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 Phasing (CCW end points) Additional sections phased to section 1 within ± 1° Taps (extra) Available as special, standard tolerance ± 1° ORDERING INFORMATION/DESCRIPTION The Model 852 can be ordered from this datasheet with a variety of alternate characteristics, as shown above. For most rapid service on your order, please state: 852 C 1 50K BO1 MODEL MOUNTING NUMBER OF SECTIONS RESISTANCE OF EACH SECTION PACKAGING B: Bushing S: Servo C: Screw From 1 up to 3 max. Beginning with the section nearest the mounting end Box of 1 piece SAP PART NUMBERING GUIDELINES 852 C 1 503 B01 MODEL STYLE NUMBER OF SECTION OHMIC VALUE SECTION No 1 PACKAGING Revision: 27-Mar-15 Document Number: 57074 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 852 www.vishay.com Vishay Spectrol DIMENSIONS in inches (millimeters) SERVO MOUNT: 852S/852-2 ± 0.010 1.284 (32.61) BUSHING MOUNT: 852B/852-1 ± 0.031 ± 0.031 0.812 (20.62) 0.625 (15.88) Ø 0.2497 TYP. - 0.0003 (6.34) 2 1 0.312 (7.92) ± 0.015 + 0.0000 0.301 MIN. (7.64) 0.219 TYP. (5.56) 0.062 (1.57) 3 + 0.0000 - 0.0010 + 0.000 - 0.001 Ø 0.4062 (10.32) Ø 1.875 (47.62) ± 0.015 Ø 1.812 (46.02) ± 0.015 Ø 2.000 (50.80) 0.562 (14.27) ± 0.015 0.093 (2.36) MTG. FACE 0.062 (1.57) MTG. FACE 0.062 (1.57) 0.073 MIN. (1.85) 3/ 8 - 32 UNEF - 2A Ø 0.125 (3.18) SCREW MOUNT: 852C/852-3 45° ± 10° + 0.0000 2 Ø 0.7500 - 0.0005 (19.05) CW ± 0.015 3 1 SCHEMATIC MTG. FACE 0.062 (1.57) 8 - 32 UNC - 2B 0.156 DEEP (3.96) 3 HOLES EQUALLY SPACED ON A 1.250 Ø (31.75) B.C. 1.062 R MAX. (26.97) TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS ± 0.005 ANGLES ± 2° ADD 0.992 ± 0.010 (25.20) FOR EACH ADDITIONAL SECTION 1 MECHANICAL SPECIFICATIONS PARAMETER Rotation Bearing type Torque (maximums) Servo or screw 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 Weight (maximums) Single section Each additional section Stop strength Ganging Moment of inertia Revision: 27-Mar-15 1080° +10° -0° SERVO Ball bearing SCREW Ball bearing BUSHING Sleeve bearing STARTING 1.20 oz. - in (86.4 g - cm) 1.75 oz. - in (126.0 g - cm) 0.80 oz. - in (57.6 g - cm) RUNNING 0.80 oz. - in (57.6 g - cm) 1.25 oz. - in (90.0 g - cm) 0.60 oz. - cm (43.2 g - cm) SERVO/SCREW 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) 3.5 oz. (99.2 g) 2.7 oz. (76.5 g) 1000 oz. - in, static (72 kg - cm) 3 sections maximum, terminal alignment, added sections within ± 10° of section 1 terminals 5.5 g - cm2 per section maximum Document Number: 57074 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 852 www.vishay.com Vishay Spectrol MATERIAL SPECIFICATIONS Housing ENVIRONMENTAL SPECIFICATIONS Glass filled, thermoset plastic Lids Aluminum, anodized Shaft Stainless steel, non-magnetic non-passivated Terminals Brass, plated for solderability Clamp ring Stainless steel Bushing mount hardware Lockwasher internal tooth: Panel nut: Steel, nickel plated Brass nickel plated Units shall be marked with Spectrol name and model No, resistance and resistance tolerance, linearity, terminal identification and date code. Example of a marking for a standard part: 852-22203503 POWER RATING CHART (Ratings for cup No 1. Additional cups 75 % of values shown) RATED POWER IN W 6 5 4 3 2 1 15 g thru 2000 CPS Shock 50 g Salt spray 96 h Rotational life 600 000 shaft revolutions Load life MARKING Unit identification Vibration SPECIAL 150 °C STANDARD 125 °C 0 20 40 60 80 100 120 140 AMBIENT TEMPERATURE IN °C Revision: 27-Mar-15 160 900 h Operating temperature range -55 °C to +125 °C Note • Nothing stated herein shall be construed as a guarantee of quality or durability. RESISTANCE ELEMENT DATA MAXIMUM MAXIMUM WIRE STANDARD RESO- OHMS CURRENT VOLTAGE TEMP. RESISTANCE LUTION PER AT 70 °C ACROSS COEF. VALUES COIL (%) TURN AMBIENT (ppm/°C) () (V) (mA) 20 0.094 0.019 316 6.33 800 50 0.074 0.037 200 10.0 800 100 0.071 0.071 141 14.2 180 200 0.072 0.145 100 20.0 20 500 0.064 0.320 63.2 31.6 20 1K 0.050 0.500 44.7 44.7 20 2K 0.047 0.948 31.6 63.3 20 5K 0.035 1.733 20.0 100 20 10K 0.029 2.923 14.1 142 20 20K 0.024 4.797 10.0 200 20 50K 0.017 8.313 6.32 316 20 100K 0.015 14.535 4.47 447 20 150K 0.013 19.987 3.65 548 20 Document Number: 57074 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. 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We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000