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| Model 552 Vishay Spectrol (22.2 mm) Three Turn Wirewound 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 7/ 8" ELECTRICAL SPECIFICATIONS PARAMETER Total Resistance Tolerance 50 and Above Below 50 Linearity (Independent) Total Resistance 5 to 500 500 to 2 k 2 k and Above Noise Electrical Rotation Power Rating Section 1 Additional Section Insulation Resistance Dielectric Strength Absolute Minimum Resistance End Voltage Phasing (CCW End Points) Taps (Extra) STANDARD RANGE 5 to 20 k 3% 5% STANDARD 0.25 % 0.25 % 0.25 % 100 ENR 1080 + 4 - 0 1.0 W at 70 C ambient to zero at 125 C 75 % of the rating of section 1 (0.75 W at 70 C) 1000 M minimum, 500 VDC 1000 VRMS minimum, 60 Hz Linearity x total resistance or 0.5 , whichever is greater Linearity x total applied voltage for total resistance above 20 , 2.0 % of total applied voltage for 20 and below Additional sections phased to section 1 within 2 16 available as special, standard tolerance 2 SPECIAL 45 k 1% 3% BEST PRACTICAL 0.25 % 0.20 % 0.125 % ORDERING INFORMATION/DESCRIPTION The Model 552 can be ordered from this data sheet with a variety of alternate characteristics, as shown. For most rapid service on your order, please state: 552 MODEL B MOUNTING B: Bushing S: Servo 1 NUMBER OF SECTIONS From 1 up to 3 10K OHMIC VALUE OF SECTION NO 1 BO1 PACKAGING Box of 1 piece Other characteristics will be standard as described on this data sheet. 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 MODEL B STYLE 1 NUMBER OF SECTIONS 103 OHMIC VALUE OF SECTION NO 1 B01 PACKAGING Document Number: 57067 Revision: 10-Jul-07 For technical questions, contact: sfer@vishay.com www.vishay.com 129 Model 552 Vishay Spectrol 7/ (22.2 mm) Three Turn Wirewound Upper Grade Precision Potentiometer BUSHING MOUNT 8" DIMENSIONS in inches (millimeters) 1 0.948 (24.08) 0.010 0.687 (17.45) 0.312 (7.92) 0.015 0.031 0.015 10 + 0.0000 0.168 MIN. (4.27) 2 1 3 45 0.172 TYP. (4.37) O 0.1248 TYP.- 0.0003 (3.17) 0.875 (22.22) 0.015 0.594 R MAX. (15.09) 0.062 MTG. FACE 0.015 O 0.281- 0.001 (7.14) 1/ 4 + 0.000 - 32 UNEF 2A SERVO MOUNT 1 1.036 (26.31) 0.257 MIN. (6.53) 0.010 0.031 0.375 (9.52) 0.057 MIN. (1.45) 0.062 (1.57) 0.062 (1.57) 2 1 3 + 0.0000 - 0.0005 O 0.7500 (19.05) O 0.875 (22.22) 2 1 CW 3 O 0.750 MAX. (19.05) SCHEMATIC MTG. FACE 1 TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS 0.005 ANGLES 2 ADD 0.782 0.002 (19.86) FOR EACH ADDITIONAL SECTION MECHANICAL SPECIFICATIONS PARAMETER Mechanical Rotation Bearing Type: Servo Mount Bushing Mount Torque (Maximum) Servo: 1 Section Bushing: 1 Section Each Additional Section Mechanical Runouts (Maximum) Shaft Runout (TIR/in) Pilot Dia. Runout (TIR) Lateral Runout (TIR) Shaft End Play Shaft Radial Play Weight (Maximum): Single Section Additional Section Stop Strength Ganging Moment of Inertia STARTING 0.4 oz. - in (28.8 g - cm) 0.5 oz. - in (36.0 g - cm) 0.3 oz. - in (21.6 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) 0.75 oz. (21.7 g) 0.60 oz. (17.0 g) 100 oz. - in static (7.2 kg - cm) 3 sections maximum, terminal alignment added sections within 10 of section 1 terminals 0.30 g - cm2 per section maximum 1080 + 10 - 0 Ball bearing Sleeve bearing RUNNING 0.3 oz. - in (21.6 g - cm) 0.4 oz. - in (28.8 g - cm) 0.2 oz. - in (14.4 g - 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) www.vishay.com 130 For technical questions, contact: sfer@vishay.com Document Number: 57067 Revision: 10-Jul-07 Model 552 7/ (22.2 mm) Three Turn Wirewound Upper Grade Precision Potentiometer 8" Vishay Spectrol MATERIAL SPECIFICATIONS Housing Lids Shaft Terminals Clamp Ring Bushing Mount Hardware Lockwasher Internal Tooth: Panel Nut: Glass filled phenolic (black) Aluminum, anodized Stainless steel, non magnetic, non-passivated Brass, gold plated Stainless steel ENVIRONMENTAL SPECIFICATIONS Vibration Shock Salt Spray Rotational Life Load Life 15 g thru 2000 Hz 50 g 96 h 600 000 shaft revolutions 900 h - 65 C to + 125 C Steel, nickel plated Brass, nickel plated Operating Temperature Range MARKING Unit Identification Units will be marked with Vishay Spectrol name and model no, resistance and resistance tolerance, linearity, terminal identification, and date code POWER RATING CHART (Ratings for cup NO 1. Additional cups 75 % of values shown) RESISTANCE ELEMENT DATA STANDARD RESISTANCE VALUES () 5 RESOLUTION (%) 0.265 0.182 0.155 0.150 0.125 0.116 0.103 0.089 0.071 0.057 0.044 0.036 0.031 OHMS PER TURN 0.013 0.018 0.031 0.075 0.125 0.232 0.517 0.886 1.411 2.828 4.381 7.199 14.170 MAXIMUM MAXIMUM WIRE CURRENT VOLTAGE TEMP. AT 70 C ACROSS COEF. COIL AMBIENT (ppm/C) (V) (mA) 447 316 224 141 100 70.7 44.7 31.6 22.4 14.1 10.0 7.07 4.71 2.24 3.16 4.48 7.05 10.0 14.1 22.4 31.6 44.8 70.5 100 141 212 800 800 800 180 20 20 20 20 20 20 20 20 20 3 RATED POWER IN W 10 2 20 50 100 200 1 STANDARD 125 C SPECIAL 150 C 500 1K 2K 5K 0 20 40 60 80 100 120 140 160 10K 20K 45K AMBIENT TEMPERATURE IN C Document Number: 57067 Revision: 10-Jul-07 For technical questions, contact: sfer@vishay.com www.vishay.com 131 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. 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 herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. 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. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1 |
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