Model 122 Vishay Spectrol 1 1/16" (27 mm) Single Turn Wirewound Precision Potentiometer FEATURES • Gangable up to 6 sections • Extra taps on request RoHS • Bushing or servo mount types available COMPLIANT • Ohmic value range: 5 Ω up to 100 kΩ ELECTRICAL SPECIFICATIONS PARAMETER Total Resistance Tolerance: 20 Ω and Above Below 20 Ω STANDARD 5 Ω to 20 kΩ ±3% ±5% SPECIAL to 100 kΩ ±1% ±3% Linearity (Independent): 5 Ω to 200 Ω 200 Ω to 2 kΩ 2 kΩ to 10 kΩ 10 kΩ and Above STANDARD ± 1.0 % ± 0.5 % ± 0.5 % ± 0.5 % BEST PRACTICAL ± 0.50 % ± 0.35 % ± 0.25 % ± 0.20 % 100 Ω ENR Noise Electrical Angle 350° ± 2° Power Rating Section 1: Additional Sections: 1.50 W at 70 °C ambient, derated to zero at 125 °C 75 % of the rating of section 1 (1.125 W at 70 °C) Insulation Resistance 1000 MΩ minimum 500 VDC Dielectric Strength 1000 VRMS 60 Hz Linearity x total resistance or 0.5 Ω, whichever is greater Absolute Minimum Resistance Linearity x total applied voltage for total resistance above 20 Ω, 2.0 % of total applied voltage for 20 Ω and below End Voltage Phasing (CCW End Points) Additional sections phased to section 1 within ± 1° Taps (Extra) 9 available as special standard tolerance ± 1° ORDERING INFORMATION/DESCRIPTION The Model 122 can be ordered from this data sheet with a variety of alternate characteristics, as shown. For most rapid service on your order, please state: 122 B 1 5K BO1 MODEL MOUNTING TYPE NUMBER OF SECTIONS TOTAL RESISTANCE OF EACH SECTION PACKAGING B: Bushing S: Servo Up to 6 sections Beginning with the section nearest the mounting end 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 122 S 2 103 203 B01 MODEL MOUNTING TYPE NUMBER OF SECTIONS OHMIC VALUE OHMIC VALUE PACKAGING Servo 2 Section NO 1 103 = 10K Section NO 2 203 = 20K Box of 1 piece Document Number: 57036 Revision: 03-Jul-07 For technical questions, contact: [email protected] www.vishay.com 83 Model 122 1 1/16" (27 mm) Single Turn Wirewound Precision Potentiometer Vishay Spectrol DIMENSIONS in inches (millimeters) BUSHING MOUNT: 122B... ± 0.010 ± 0.031 0.687 (17.45) 1 0.875 (22.22) 0.375 (9.52) ± 0.015 3 0.308 MIN. (7.82) 30° TYP. 1 + 0.0000 0.062 (1.57) Ø 0.1248 - 0.0003 (3.17) 2 + 0.0000 Ø 0.4062 - 0.0010 (10.32) Ø 1.062 (26.97) ± 0.015 3/ 8 0.735 R MAX. (18.67) - 32 UNEF - 2A MTG. FACE SERVO MOUNT: 122S... 0.308 MIN. (7.82) ± 0.031 0.500 (12.70) 0.062 (1.57) 0.062 (1.57) 1 0.687 (17.45) 1 ± 0.010 0.062 (1.57) + 0.0000 Ø 0.9688 - 0.0005 (24.61) Ø 1.062 (26.97) ADD 0.500 ± 0.002 (12.70) FOR EACH ADDITIONAL SECTION TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS ± 0.005 ANGLES ± 2° ± 0.015 2 Ø 0.968 MAX. (24.58) CW 1 + 0.0000 0.1248 - 0.0003 Ø (3.17) 3 SCHEMATIC MTG. FACE MATERIAL SPECIFICATIONS Housing and Lids Shaft ENVIRONMENTAL SPECIFICATIONS Aluminum, anodized Stainless steel, non-magnetic non-passivated Vibration 15 g thru 2000 CPS Shock 50 g Salt Spray 96 h Rotational Life 1 million shaft revolutions Load Life 900 h Temperature Range Terminals - 55 °C to + 125 °C Brass, plated for solderability MARKING Bushing Mount Hardware Lockwasher Internal Tooth: Panel Nut: www.vishay.com 84 Steel, nickel plated Brass, nickel plated Unit Identification Units shall be marked with Vishay Spectrol name and model number resistance and resistance tolerance, linearity, terminal identification and data code For technical questions, contact: [email protected] Document Number: 57036 Revision: 03-Jul-07 Model 122 1 1/16" (27 mm) Single Turn Wirewound Precision Potentiometer POWER RATING CHART Vishay Spectrol RESISTANCE ELEMENT DATA (Ratings for cup No.1. Additional cups 75 % of values shown) 6 RESISTANCE VALUES (Ω) RESOLUTION (%) OHMS PER TURN MAXIMUM MAXIMUM WIRE CURRENT VOLTAGE TEMP. AT 70 °C ACROSS COEF. COIL AMBIENT (ppm/°C) (V) (mA) RATED POWER IN W 5 4 3 2 1 SPECIAL 150 °C STANDARD 125 °C 0 20 40 60 80 100 120 140 160 AMBIENT TEMPERATURE IN °C 5 0.364 0.018 548 2.74 800 10 0.311 0.031 387 3.87 800 20 0.250 0.050 274 5.48 180 50 0.232 0.116 173 8.65 180 100 0.232 0.231 122 12.2 20 200 0.194 0.389 86.6 17.3 20 500 0.168 0.841 54.8 27.4 20 1K 0.156 1.557 38.7 38.7 20 2K 0.109 2.178 27.4 54.8 20 5K 0.088 4.382 17.3 86.5 20 10K 0.076 7.644 12.2 122 20 20K 0.071 14.235 8.66 173 20 50K 0.062 30.921 5.48 274 20 100K 0.052 51.983 3.87 387 20 MECHANICAL SPECIFICATIONS PARAMETER Rotation 360° continuous Servo mount: Ball bearing Bushing mount: Sleeve bearing Bearing Type Torque (Maximums) Servo, 1 Section 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 Weight (Maximums): Single Section Each Additional Section Ganging Moment of Inertia Document Number: 57036 Revision: 03-Jul-07 STARTING 0.25 oz. - in (18.0 g - cm) 0.30 oz. - in (21.6 g - cm) 0.20 oz. - in (14.4 g - cm) RUNNING 0.15 oz. - in (10.8 g - cm) 0.25 oz. - in (18.0 g - cm) 0.15 oz. - in (10.8 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) 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) 0.8 oz. (22.7 g) 0.4 oz. (11.3 g) 6 sections maximum, terminal alignment, added sections within ± 10° of section 1 terminals 0.12 g - cm2 per section maximum For technical questions, contact: [email protected] www.vishay.com 85 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