Model 142
www.vishay.com
Vishay Spectrol
(12.7 mm) Single - Turn Wirewound
Servo Mount Type Precision Potentiometer
FEATURES
• Ohmic value range: 50
up to 20 k
• Smallest size available: 12.7 mm
• Center tap on request
• Custom shafts available on request
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
1
/
2
"
QUICK REFERENCE DATA
Sensor type
Output type
Market appliance
Dimensions
ROTATIONAL, single turn wirewound
Output by turrets
Professional
1
/ "
2
(12.7 mm)
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance
Tolerance
Absolute Minimum Resistance
Linearity (independent)
Noise
Power Rating
Insulation Resistance
Dielectric Strength
Electrical Angle
End Voltage
50
to 20 k
±5%
Linearity x total resistance or
0.5
,
whichever is greater
± 1.0 %
100
ENR
2 W at 40 °C ambient derating linearly to zero at 125 °C
1000 M min. 500 V
DC
1000 V
RMS
, 60 Hz
350° +0° -4°
Linearity x total applied voltage for total resistance above 20
;
2.0 % of total applied voltage for 20
and below
MATERIAL SPECIFICATIONS
Shaft
Housing
Rear Lid
Terminals
Stainless steel, non magnetic
non-passivated
Aluminum, anodized
Molded glass filled
thermoset plastic
Brass, gold plated
ENVIRONMENTAL SPECIFICATIONS
Vibration
Shock
Salt Spray
Rotational Life
Load Life
Temperature Range
20
g
thru 2000 Hz
50
g
96 h
500 000
shaft revolutions
900 h
-55 °C to +125 °C (operating)
Note
• Nothing stated herein shall be construed as a guarantee of
quality or durability
ORDERING INFORMATION
1
4
2
S
0
1
MECHANICAL
OPTIONS
0
= continuous
rotation
5
0
2
X
X
X
X
MODEL
142
STYLE
S:
servo
FEATURES
0
= standard torque
1
= center tap
(10K max. Rt)
VALUE
470
= 47
222
= 2.200
103
= 10 k
For ohmic value
range see electrical
specification
SPECIAL REQUEST
Custom reference
Revision: 08-Dec-17
Document Number: 57039
1
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
Model 142
www.vishay.com
Vishay Spectrol
PART NUMBER DESCRIPTION
(for information only)
142
MODEL
0-
MECHANICAL
OPTIONS
1-
FEATURES
502
OHMIC VALUE
xxxx
SPECIAL
DIMENSIONS
in inches (millimeters)
MODEL 142S/142-...
120
°
TYP
0.133 R
(3.38)
0.32
(0.81)
0.062
(1.57)
0.152
(3.86)
0.062 (1.57)
0.625
(15.88)
+ 0.010
0.500
(12.70)
0.062 (1.57)
MTG FACE
150
°
Ø 0.375
(9.52)
Ø 0.500
(12.70)
CW
± 0.0005
Ø 0.4370 MTG
60
°
+ 0.000
(11.10)
CENTER TAP AVAILABLE AS
- 0.0003
SPEC STANDARD FEATURE
Ø 0.1248
(3.17)
TOLERANCES: UNLESS
OTHERWISE NOTED,
DECIMALS ± 0.005, ANGLES ± 2
°
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation
Bearing Type
Torque (maximums)
Starting
Running
Dead Zone
Weight
Runouts (maximum)
Shaft (TIR)
Pilot Dia. (TIR)
Lateral (TIR)
Shaft End Play
Shaft Radial Play
360° continuous
BALL BEARING
0.075 oz. - in (5.40 g - cm)
0.05 oz. - in (3.60 g - cm)
0.20 oz. - in (14.40 g - cm)
0.3 oz. (8.50 g) maximum
0.002" (0.05 cm)
0.002" (0.05 cm)
0.002" (0.05 cm)
0.004" (0.10 cm)
0.002" (0.05 cm)
POWER RATING CHART
RATED POWER IN W
2
RESISTANCE ELEMENT DATA
STD
RESISTANCE
VALUES
()
50
100
200
MAXIMUM MAXIMUM
WIRE
RESO- OHMS CURRENT VOLTAGE
TEMP.
ACROSS
LUTION PER
AT 40 °C
COEF.
COIL
(%)
TURN AMBIENT
(ppm/°C)
(V)
(mA)
0.542
0.431
0.361
0.312
0.255
0.197
0.170
0.147
0.105
0.271
0.431
0.722
1.56
2.55
3.94
8.50
14.7
21.0
200.0
141.0
100.0
63.2
44.7
31.6
20.0
14.1
10.0
10.0
14.1
20.0
31.6
44.7
63.2
100.0
141.0
200.0
20
20
20
20
20
20
20
20
20
1
0
0
20
40
60
80 100 120 140 160
500
1K
2K
AMBIENT TEMPERATURE IN °C
MARKING
Unit
Identification
Units shall be marked with manufacturer’s
name, model number, resistance value and
tolerance, circuit diagram, terminal
identification, linearity and data code.
Example of a marking for a standard part:
142-0-1-102
5K
10K
20K
Revision: 08-Dec-17
Document Number: 57039
2
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
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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 in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
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. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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