122 VISHAY

Document overview

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Technical content

www.vishay.com Vishay Spectrol Revision: 26-Mar-15 1 Document Number: 57036 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 1 1/16" (27 mm) Single Turn Wirewound Precision Potentiometer

FEATURES

  • Gangable up to 6 sections
  • Extra taps on request
  • Bushing or servo mount types available
  • Ohmic value range: 5  up to 100 k
  • Material categorization: fo r definitions of compliance please see www.vishay.com/doc?99912 QUICK REFERENCE DATA Sensor type ROTATIONAL, single turn wirewound Output type Output by turrets Market appliance Professional Dimensions 1 1/16" (27 mm) ELECTRICAL SPECIFICATIONS PARAMETER Total resistance Tolerance: 20  and above Below 20  STANDARD 5  to 20 k ± 3 % ± 5 % SPECIAL to 30 k ± 1 % ± 3 % Linearity (independent): 5  to 200  200  to 2 k 2 k to 10 k 10 k and above STANDARD ± 1.0 % ± 0.5 % ± 0.5 % ± 0.5 % BEST PRACTICAL ± 0.50 % ± 0.35 % ± 0.25 % ± 0.20 % Noise 100  ENR 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 M  minimum, 500 V DC Dielectric strength 1000 V RMS 60 Hz Absolute minimum resistance Linearity x total resistance or 0.5 , whichever is greater End voltage Linearity x total applied voltage for total resistance above 20 , 2.0 % of total applied voltage for 20  and below Phasing (CCW end points) Additional sect ions phased to section 1 within ± 1° Taps (extra) 9 available as special standard tolerance ± 1°

ORDERING INFORMATION

MODEL STYLE GANGS OHMIC VALUE GANGS No 1 OHMIC VALUE GANGS No 2 SPECIAL REQUEST

122 B : bushing

S: servo 470 = 47  222 = 2.200  103 = 10 k For ohmic value range see electrical specification 470 = 47  222 = 2.200  103 = 10 k For ohmic value range see electrical specification xxxx

www.vishay.com Vishay Spectrol Revision: 26-Mar-15 2 Document Number: 57036 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 Note

  • Nothing stated herein shall be construed as a guarantee of quality or durability PART NUMBER DESCRIPTION (for information only) 122- 1 1 102 103 xxxx MODEL STYLE GANGS OHMIC VALUE GANGS No 1 OHMIC VALUE GANGS No 2 SPECIAL B: 1 S: 2 DIMENSIONS in inches (millimeters) 0.062 (1.57) 0.308 MIN. (7.82) 0.687 (17.45) ± 0.010 0.875 (22.22) ± 0.031 0.375 (9.52) ± 0.015 Ø 0.1248 (3.17) + 0.0000 - 0.0003 Ø 0.4062 (10.32) + 0.0000 - 0.0010 3/8 - 32 UNEF - 2A MTG. FACE Ø 1.062 (26.97) ± 0.015 30° TYP. 1 0.735 R MAX. (18.67) ± 0.0310.308 MIN. (7.82) 0.500 (12.70) 0.062 (1.57) 0.062 (1.57) 0.062 (1.57) Ø 0.9688 (24.61) + 0.0000 - 0.0005 Ø 1.062 (26.97) ± 0.015 Ø 0.1248 (3.17) + 0.0000 - 0.0003 MTG. FACE Ø 0.968 MAX. (24.58) 0.687 (17.45) ± 0.010 BUSHING MOUNT: 122B/122-1... SERVO MOUNT: 122S/122-2... 1 3 CW 1 ADD 0.500 ± 0.002 (12.70) FOR EACH ADDITIONAL SECTION TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS ± 0.005 ANGLES ± 2° SCHEMATIC MATERIAL SPECIFICATIONS Housing and lids Aluminum, anodized Shaft Stainless steel, non-magnetic non-passivated Terminals Brass, plated for solderability Bushing mount hardware Lockwasher internal tooth: Panel nut: Steel, nickel plated Brass, nickel plated ENVIRONMENTAL SPECIFICATIONS Vibration 15 g thru 2000 CPS Shock 50 g Salt spray 96 h Rotational life 1 milli on shaft revolutions Load sife 900 h Temperature range -55 °C to +125 °C

www.vishay.com Vishay Spectrol Revision: 26-Mar-15 3 Document Number: 57036 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 POWER RATING CHART (Ratings for cup No. 1.Additional cups 75 % of values shown) MARKING Unit identification Units shall be marked with Vishay Spectrol name and model number resistance and resistance tolerance, linearity, terminal identification and data code. Example of a marking for a standard part: 122-11502 AMBIENT TEMPERATURE IN °C 20 40 60 80 100 120 140 160 RATED POWER IN W STANDARD 125 °C SPECIAL 150 °C RESISTANCE ELEMENT DATA RESISTANCE VALUES () RESO- LUTION (%) OHMS PER TURN MAXIMUM CURRENT AT 70 °C AMBIENT (mA) MAXIMUM VOLTAGE ACROSS COIL (V) WIRE TEMP. COEF. (ppm/°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 Bearing type Servo mount: ball bearing Bushing mount: sleeve bearing Torque (maximums) Servo, 1 section Bushing, 1 section Each additional section 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) Mechanical runouts (maximums): Shaft runout (TIR/in) Pilot dia. runout (TIR) Lateral runout (TIR) Shaft end play Shaft radial play 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) Weight (maximums):  Single section Each additional section 0.8 oz. (22.7 g) 0.4 oz. (11.3 g) Ganging 6 sections maximum, terminal alignment, a dded sections within ± 10° of section 1 terminals Moment of inertia 0.12 g - cm 2 per section maximum

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