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| Model 202 Vishay Spectrol 1 3/4" (44.5 mm) Single Turn Wirewound Precision Potentiometer FEATURES * Large range of ohmic values: 5 to 65 k * Screw, servo or bushing mount types available * Up to 6 sections on the same shaft * Extra taps upon request RoHS COMPLIANT ELECTRICAL SPECIFICATIONS PARAMETER Total Resistance Tolerance: 50 and above Below 50 Absolute Minimum Resistance End Voltage Linearity (Independent) 5 to 50 50 to 500 500 to 2 k 2 k and above Noise Electrical Angle Power Rating: Section 1 : 3.5 W Additional Sections Insulation Resistance Dielectric Strength Taps (Extra) Phasing (CCW End Points) STANDARD 5 to 50 k 3% 5% SPECIAL 65 k 1% 3% 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 STANDARD 1.00 % 0.50 % 0.25 % 0.25 % 100 ENR 350 2 70 C ambient derated to zero at 125 C 75 % of the rating of section 1 (2.6 W at 70 C) 1000 M minimum, 500 VDC 1000 VRMS, 60 Hz From 1 up to 19 (max.) Additional sections phased to section 1 within 1 BEST PRACTICAL 0.50 % 0.35 % 0.20 % 0.15 % ORDERING INFORMATION/DESCRIPTION 202 MODEL C MOUNTING TYPE B: Bushing S: Servo C: Screw 1 NUMBER OF SECTIONS From 1 up to 6 (Max.) 50K OHMIC VALUE 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 202 MODEL S MOUNTING TYPE Servo 1 NUMBER OF SECTIONS 503 OHMIC VALUE 503 = 50K B01 PACKAGING Box of 1 piece www.vishay.com 100 For technical questions, contact: sfer@vishay.com Document Number: 57052 Revision: 20-Jun-07 Model 202 1 3/4" (44.5 mm) Single Turn Wirewound Precision Potentiometer DIMENSIONS in inches (millimeters) SCREW MOUNT: 202C 1 Vishay Spectrol 0.800 (20.32) 0.010 3 0.625 (15.88) 0.031 16, 20 TYP. + 0.000 MTG. - 0.0005 + 0.000 1 2 0.062 (1.57) 0.312 MIN. (7.92) O 0.7500 (19.05) O 0.2497 - 0.0003 (6.34) 45 0.015 5 1.075 R (27.30) MAX. O 1.750 (44.45) 6.32 UNC-2BX 187 0.015 DEEP (4.75) 2 PLACES ON 1.000 O B.C. (25.40) 1.015 (25.75) MAX. MTG. FACE SERVO MOUNT: 202S 0.010 BUSHING MOUNT: 202B 0.031 0.010 0.031 1 0.831 (21.11) 0.625 (15.88) 1 0.705 (17.91) 0.015 0.875 (22.22) + 0.0000 0.340 MIN. (8.64) 0.073 MIN. (1.85) 0.093 (2.36) 0.062 (1.57) 0.375 (9.52) 0.239 MIN. (6.07) + 0.0000 - 0.0005 0.062 (1.57) O 0.2497 - 0.0003 (6.34) O 0.4062 - 0.0010 MGT. (10.32) + 0.0000 0.015 O 1.750 (44.45) O 1.5620 MTG. (39.67) O 1.750 0.015 (44.45) 1 0.015 O 1.750 (44.45) 2 CW 3 O 1.562 MAX. (39.67) MTG. FACE O (6.34) + 0.0000 0.2497 - 0.0003 SCHEMATIC MTG. FACE 1 3/ 8 32 UNEF-2A TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS 0.005 ANGLES 2 ADD 0.500 0.002 FOR EACH ADDITIONAL SECTION (12.70) MECHANICAL SPECIFICATIONS PARAMETER Mechanical Rotation Bearing Type Ganging Torque (Maximums) 1 Section Servo and Screw Types Bushing, 1 Section Each Additional Section Mechanical Runouts (Maximums): Shaft Runout (TIR/in) Pilot Dia. Runout (TIR) Lateral Runout (TIR) Shaft End Play Shaft Radial Play Moment of Inertia Weight (Maximums): Single Section Each Additional Section Document Number: 57052 Revision: 20-Jun-07 360 (continuous) Screw and servo mount: Ball bearing Bushing mount: Sleeve bearing 6 sections maximum, Terminal alignment, added sections, within 10 of section 1 Terminals RUNNING STARTING 0.4 oz. - in (28.80 g - cm) 0.7 oz. - in (50.40 g - cm) 0.7 oz. - in (50.40 g - cm) 1.0 oz. - in (72.00 g - cm) 0.3 oz. - in (21.60 g - cm) 0.4 oz. - in (28.80 g - cm) SERVO AND SCREW BUSHING 0.002" (0.05 cm) 0.002" (0.05 cm) 0.002" (0.05 cm) 0.002" (0.05 cm) 0.003" (0.08 cm) 0.005" (0.13 cm) 0.005" (0.13 cm) 0.005" (0.13 cm) 0.002" (0.05 cm) 0.003" (0.08 cm) 1.0 g - cm2 per section maximum 3.0 oz. (85.05 g) 1.0 oz. (28.35 g) For technical questions, contact: sfer@vishay.com www.vishay.com 101 Model 202 Vishay Spectrol 1 3/4" (44.5 mm) Single Turn Wirewound Precision Potentiometer ENVIRONMENTAL SPECIFICATIONS Vibration Shock Salt Spray Rotational Life 15 g thru 2000 Hz 50 g 96 h 1 million shaft revolutions 900 h - 55 C to + 125 C MATERIAL SPECIFICATIONS Housing and Lids Shaft And Clamp Rings Terminals Bushing Mount Hardware Lockwasher Internal Tooth: Panel Nut: Aluminum, anodized Stainless steel, non-magnetic non-passivated Brass, plated for solderability Steel, nickel plated Brass, nickel plated MARKING Unit Identification Units shall be marked with Vishay Spectrol name, model number and data code on each section, resistance, resistance tolerance, linearity and terminal identification Load Life Operating Temperature Range POWER RATING CHART (Ratings for cup No.1. Additional cups 75 % of values shown) RESISTANCE ELEMENT DATA STANDARD RESISTANCE VALUES () 5 RESOLUTION (%) 0.320 0.240 0.190 0.212 0.181 0.150 0.115 0.103 0.094 0.068 0.059 0.048 0.044 OHMS PER TURN 0.016 0.024 0.038 0.106 0.181 0.300 0.575 1.03 1.89 3.42 5.91 9.52 22.0 MAXIMUM CURRENT AT 70 C AMBIENT (mA) 835 591 418 264 187 133 83.4 59.1 41.8 26.4 18.7 13.2 8.37 MAXIMUM VOLTAGE ACROSS COIL (V) 4.19 5.92 8.37 13.3 18.7 26.3 42.0 59.2 83.7 133 187 265 422 TEMP. COEF. (ppm/C) 800 800 800 20 20 20 20 20 20 20 20 20 20 RATED POWER IN W 8 10 20 50 SPECIAL 150 C 6 100 200 500 4 STANDARD 125 C 2 1K 2K 5K 0 20 40 60 80 100 120 140 160 10K 20K 50K AMBIENT TEMPERATURE IN C www.vishay.com 102 For technical questions, contact: sfer@vishay.com Document Number: 57052 Revision: 20-Jun-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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