Model 552 www.vishay.com Vishay Spectrol 7 / (22.2 mm) Three Turn Wirewound 8 Upper Grade Precision Potentiometer FEATURES Large range of ohmic values: 5 to 20 k Bushing mount or servo mount designs are available Gangable up to 3 sections Extra taps available upon request QUICK REFERENCE DATA Sensor type ROTATIONAL, multi turn wirewound Output type Output by turrets Market appliance Professional 7 Dimensions / (22.2 mm) 8 ELECTRICAL SPECIFICATIONS PARAMETER Total resistance STANDARD RANGE SPECIAL 5 to 20 k 45 k Tolerance 50 and above 3 % 1 % Below 50 5 % 3 % Linearity (independent) STANDARD BEST PRACTICAL Total resistance 5 to 500 0.25 % 0.25 % 500 to 2 k 0.25 % 0.20 % 2 k and above 0.25 % 0.125 % Noise 100 ENR Electrical rotation 1080 +4 -0 Power rating Section 1 1.0 W at 70 C ambient to zero at 125 C Additional section 75 % of the rating of section 1 (0.75 W at 70 C) Insulation resistance 1000 M minimum, 500 V DC Dielectric strength 1000 V minimum, 60 Hz RMS Absolute minimum resistance Linearity x total resistance or 0.5 , whichever is greater Linearity x total applied voltage for total resistance End boltage above 20 , 2.0 % of total applied voltage for 20 and below Phasing (CCW end points) Additional sections phased to section 1 within 2 Taps (extra) 16 available as special, standard tolerance 2 ORDERING INFORMATION/DESCRIPTION The model 552 can be ordered from this datasheet with a variety of alternate characteristics, as shown. For most rapid service on your order, please state: 552 B 1 10K BO1 OHMIC VALUE OF MODEL MOUNTING NUMBER OF SECTIONS PACKAGING o SECTION N 1 B: Bushing From 1 up to 3 Box of 1 piece S: Servo 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 552 B 1 103 B01 OHMIC VALUE OF MODEL STYLE NUMBER OF SECTIONS PACKAGING o SECTION N 1 Revision: 27-Mar-15 Document Number: 57067 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 552 www.vishay.com Vishay Spectrol DIMENSIONS in inches (millimeters) BUSHING MOUNT: 552B/552-1 1 0.010 0.031 0.948 0.687 (24.08) (17.45) 0.015 0.015 10 0.172 TYP. 0.168 MIN. 0.312 45 (4.37) + 0.0000 (4.27) (7.92) - 0.0003 0.1248 TYP. 2 1 3 (3.17) 0.015 0.875 (22.22) 0.594 R MAX. (15.09) + 0.000 0.015 - 0.001 0.281 0.062 (7.14) MTG. FACE 1 / - 32 UNEF 2A 4 SERVO MOUNT: 552S/552-2 1 0.010 1.036 (26.31) 0.031 0.375 (9.52) 0.257 MIN. (6.53) 0.057 MIN. (1.45) 0.062 (1.57) 0.062 2 1 3 (1.57) + 0.0000 - 0.0005 0.875 0.7500 (22.22) (19.05) 2 CW 1 3 0.750 MAX. SCHEMATIC (19.05) MTG. FACE TOLERANCES: UNLESS OTHERWISE NOTED. ADD 0.782 0.002 (19.86) FOR EACH 1 DECIMALS 0.005 ANGLES 2 ADDITIONAL SECTION MECHANICAL SPECIFICATIONS PARAMETER Mechanical rotation 1080 +10 -0 Bearing type: servo mount Ball bearing Bushing mount Sleeve bearing Torque (maximum) STARTING RUNNING Servo: 1 section 0.4 oz. - in (28.8 g - cm) 0.3 oz. - in (21.6 g - cm) Bushing: 1 section 0.5 oz. - in (36.0 g - cm) 0.4 oz. - in (28.8 g - cm) Each additional section 0.3 oz. - in (21.6 g - cm) 0.2 oz. - in (14.4 g - cm) Mechanical runouts (maximum) SERVO BUSHING Shaft runout (TIR/in) 0.002 (0.05 cm) 0.002 (0.05 cm) Pilot dia. runout (TIR) 0.002 (0.05 cm) 0.002 (0.05 cm) Lateral runout (TIR) 0.002 (0.05 cm) 0.005 (0.13 cm) Shaft end play 0.005 (0.13 cm) 0.005 (0.13 cm) Shaft radial play 0.002 (0.05 cm) 0.003 (0.08 cm) Weight (maximum): single section 0.75 oz. (21.7 g) Additional section 0.60 oz. (17.0 g) Stop strength 100 oz. - in static (7.2 kg - cm) 3 sections maximum, terminal alignment added Ganging sections within 10 of section 1 terminals 2 Moment of inertia 0.30 g - cm per section maximum Revision: 27-Mar-15 Document Number: 57067 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