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Model 122
Vishay Spectrol
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
RoHS
COMPLIANT
ELECTRICAL SPECIFICATIONS
PARAMETER Total Resistance Tolerance: 20 and Above Below 20 Linearity (Independent): 5 to 200 200 to 2 k 2 k to 10 k 10 k and Above Noise Electrical Angle Power Rating Section 1: Additional Sections: Insulation Resistance Dielectric Strength Absolute Minimum Resistance End Voltage Phasing (CCW End Points) Taps (Extra) STANDARD 5 to 20 k 3% 5% STANDARD 1.0 % 0.5 % 0.5 % 0.5 % 100 ENR 350 2 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) 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 total applied voltage for 20 and below Additional sections phased to section 1 within 1 9 available as special standard tolerance 1 SPECIAL to 100 k 1% 3% BEST PRACTICAL 0.50 % 0.35 % 0.25 % 0.20 %
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 MODEL B MOUNTING TYPE B: Bushing S: Servo 1 NUMBER OF SECTIONS Up to 6 sections 5K TOTAL RESISTANCE OF EACH SECTION Beginning with the section nearest the mounting end 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
122 MODEL S MOUNTING TYPE Servo 2 NUMBER OF SECTIONS 2 103 OHMIC VALUE Section NO 1 103 = 10K 203 OHMIC VALUE Section NO 2 203 = 20K B01 PACKAGING Box of 1 piece
Document Number: 57036 Revision: 03-Jul-07
For technical questions, contact: sfer@vishay.com
www.vishay.com 83
Model 122
Vishay Spectrol
1 1/16" (27 mm) Single Turn Wirewound Precision Potentiometer
BUSHING MOUNT: 122B...
0.687 (17.45)
0.010 0.031
DIMENSIONS in inches (millimeters)
1
0.875 (22.22)
0.375 (9.52) 0.308 MIN. (7.82) 0.062 (1.57) O 0.1248 - 0.0003 (3.17)
+ 0.0000
0.015
3 30 TYP. 1 2
O 0.4062 - 0.0010 (10.32) O 1.062 (26.97)
0.015
+ 0.0000
3/
8
- 32 UNEF - 2A
0.735 R MAX. (18.67)
MTG. FACE
SERVO MOUNT: 122S...
0.308 MIN. (7.82) 0.500 (12.70) 0.062 (1.57) 0.062 (1.57)
1 1
0.031
0.687 (17.45)
0.010
ADD 0.500 0.002 (12.70) FOR EACH ADDITIONAL SECTION
0.062 (1.57)
O 0.9688 - 0.0005 (24.61)
+ 0.0000
TOLERANCES: UNLESS OTHERWISE NOTED. DECIMALS 0.005 ANGLES 2
O 1.062 (26.97)
0.015
2
+ 0.0000 0.1248 - 0.0003
CW
3
1
O 0.968 MAX. (24.58) MTG. FACE
O (3.17)
SCHEMATIC
MATERIAL SPECIFICATIONS
Housing and Lids Aluminum, anodized Stainless steel, non-magnetic non-passivated Brass, plated for solderability
ENVIRONMENTAL SPECIFICATIONS
Vibration Shock Salt Spray Rotational Life Load Life Temperature Range 15 g thru 2000 CPS 50 g 96 h 1 million shaft revolutions 900 h - 55 C to + 125 C
Shaft
Terminals Bushing Mount Hardware Lockwasher Internal Tooth: Panel Nut:
MARKING
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 Document Number: 57036 Revision: 03-Jul-07
www.vishay.com 84
For technical questions, contact: sfer@vishay.com
Model 122
1 1/16" (27 mm) Single Turn Wirewound Precision Potentiometer
POWER RATING CHART
(Ratings for cup No.1. Additional cups 75 % of values shown)
6 5
Vishay Spectrol
RESISTANCE ELEMENT DATA
RESISTANCE VALUES () 5 RESOLUTION (%) 0.364 0.311 0.250 0.232 0.232 0.194 0.168 0.156 0.109 0.088 0.076 0.071 0.062 0.052 OHMS PER TURN 0.018 0.031 0.050 0.116 0.231 0.389 0.841 1.557 2.178 4.382 7.644 14.235 30.921 51.983 MAXIMUM MAXIMUM WIRE CURRENT VOLTAGE TEMP. AT 70 C ACROSS COEF. COIL AMBIENT (ppm/C) (V) (mA) 548 387 274 173 122 86.6 54.8 38.7 27.4 17.3 12.2 8.66 5.48 3.87 2.74 3.87 5.48 8.65 12.2 17.3 27.4 38.7 54.8 86.5 122 173 274 387 800 800 180 180 20 20 20 20 20 20 20 20 20 20
RATED POWER IN W
4 3 2 1 0 20
10 20 50 100
SPECIAL 150 C STANDARD 125 C
200 500 1K 2K
40
60
80
100
120
140
160
5K 10K 20K 50K 100K
AMBIENT TEMPERATURE IN C
MECHANICAL SPECIFICATIONS
PARAMETER Rotation 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 360 continuous Servo mount: Ball bearing Bushing mount: Sleeve bearing 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) 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) 0.8 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 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) 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)
Document Number: 57036 Revision: 03-Jul-07
For technical questions, contact: sfer@vishay.com
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
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