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| Model 502 Vishay Spectrol (22.2 mm) Ten-Turn Wirewound Upper Grade Precision Potentiometer FEATURES * Bushing mount and servo mount designs are available * Large ohmic value range: 15 to 100 k * Dual gang configuration * Improved linearity available * Long life > 2 million shaft revolutions 7/ 8" ELECTRICAL SPECIFICATIONS PARAMETER Total Resistance Tolerance: 100 and above Below 100 Linearity (Independent) 15 to 50 50 to 1 k 1 k to 5 k 5 k and Above Noise Electrical Rotation Power Rating: Additional Sections Insulation Resistance Dielectric Strength Absolute Minimum Resistance End Voltage Phasing (CCW End Points) Taps (Extra) STANDARD 15 to 100 k 3% 5% STANDARD 0.25 % 0.25 % 0.25 % 0.25 % 100 ENR 3600 + 4 - 0 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) 1000 M minimum 500 VDC 1000 VRMS, 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 applied voltage for 20 and below Additional sections phased to section 1 within 2 54 available as special, standard tolerance 2 SPECIAL 15 to 150 k 1% 3% BEST PRACTICAL 0.15 % 0.10 % 0.075 % 0.05 % ORDERING INFORMATION/DESCRIPTION The Model 502 can be ordered from this data sheet with a variety of alternate characteristics, as shown above. For most rapid service on your order, please state: 502 MODEL S STYLE B: Bushing S: Servo 2 NUMBER OF SECTIONS 1 or 2 10K 20K BO1 PACKAGING Box of 1 piece TOTAL RESISTANCE OF EACH SECTION Beginning with the section nearest the mounting end 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 502 MODEL S STYLE 2 NUMBER OF SECTIONS 103 OHMIC VALUE SECTION No 1 203 OHMIC VALUE SECTION No 2 B01 PACKAGING www.vishay.com 120 For technical questions, contact: sfer@vishay.com Document Number: 57064 Revision: 12-Jul-07 Model 502 (22.2 mm) Ten-Turn Wirewound Upper Grade Precision Potentiometer DIMENSIONS in inches (millimeters) BUSHING MOUNT 1 0.010 7/ 8" Vishay Spectrol 1.448 (36.78) 0.168 MIN. (4.27) 0.312 (7.92) 3 0.687 (17.45) 0.015 0.031 + 0.0000 45 10 2 0.015 1 O 0.1248 TYP. - 0.0003 (3.17) 0.172 TYP. (4.37) 0.015 O 0.875 (22.22) 0.594 R (15.09) MAX. 0.015 0.062 (1.57) MTG. FACE 1/ 4 O 0.281 - 0.001 (7.14) - 32 UNEF 2A + 0.000 SERVO MOUNT 1 1.536 (39.01) 0.010 0.031 0.257 MIN. (6.53) 0.375 (9.52) 0.057 MIN. (1.45) 0.062 (1.57) 0.062 (1.57) 2 1 3 + 0.0000 - 0.0005 2 O 0.875 (22.22) CW 3 1 ADD 1.282 0.002 (32.56) FOR EACH ADDITIONAL SECTION 0.750 MAX. (19.05) O 0.7500 (19.05) 1 SCHEMATIC MTG. FACE TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS 0.005 ANGLES 2 MECHANICAL SPECIFICATIONS PARAMETER Rotation Bearing Type Torque (Maximums) Servo Section 1 Bushing Section 1 Each Additional Section Mechanical Runout (Maximums): Shaft Runout (TIR) Pilot Dia. Runout (TIR) Lateral Runout (TIR) Shaft End Play Shaft Radial Play Weight: Single Section Each Additional Section Stop Strength Ganging Moment of Inertia Document Number: 57064 Revision: 12-Jul-07 SERVO Ball bearing 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) 3600 + 10 - 0 BUSHING MOUNT 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) 1.20 oz. (34.0 g) 0.80 oz. (22.7 g) 100 oz. - in, static (7.2 kg - cm) 2 sections, terminal alignment, added sections, within 10 of section 1 terminals 0.45 g - cm2 per section maximum For technical questions, contact: sfer@vishay.com www.vishay.com 121 Model 502 Vishay Spectrol (22.2 mm) Ten-Turn Wirewound Upper Grade Precision Potentiometer ENVIRONMENTAL SPECIFICATIONS Vibration 15 g thru 2000 CPS 7/ " 8 MATERIAL SPECIFICATIONS Housing Lids Shaft Terminals Clamp Ring Bushing Mounting Hardware Lockwasher Internal Tooth: Panel Nut: Phenolic (black) glass filled Aluminum, anodized Stainless steel, non-magnetic, non-passivated Brass, plated for solderability Stainless steel Steel, nickel plated Brass, nickel plated Shock 50 g Salt Spray 96 h Rotational Life 2 million shaft revolutions MARKING Unit Identification Units shall be marked with Vishay spectrol name and model no, resistance and resistance tolerance, linearity, terminal identification, and date code Load Life 900 h Operating Temperature Range - 55 C to + 125 C POWER RATING CHART (Ratings for cup No. 1. Additional cups 75 % of values shown) RESISTANCE ELEMENT DATA STANDARD RESISTANCE VALUES () 15 20 50 100 200 500 SPECIAL 150 C 6 5 RESOLUTION (%) 0.088 0.066 0.050 0.050 0.049 0.037 0.034 0.029 0.023 0.017 0.016 0.011 0.010 0.010 OHMS PER TURN 0.013 0.013 0.025 0.050 0.098 0.185 0.339 0.571 1.173 1.731 3.142 5.639 10.325 14.170 MAXIMUM MAXIMUM CURRENT VOLTAGE ACROSS AT 70 C COIL AMBIENT (V) (mA) 365 316 200 141 100 63.2 44.7 31.6 20.0 14.1 10.0 6.32 4.47 3.65 5.48 6.32 10.0 14.1 20.0 31.6 44.7 63.2 100 141 200 316 447 548 WIRE TEMP. COEF. (ppm/C) 800 800 800 180 20 20 20 20 20 20 20 20 20 20 RATED POWER IN W 4 3 2 1 0 1K 2K 5K 10K STANDARD 125 C 20 40 60 80 100 120 140 160 20K 50K 100K 150K AMBIENT TEMPERATURE IN C www.vishay.com 122 For technical questions, contact: sfer@vishay.com Document Number: 57064 Revision: 12-Jul-07 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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