Model 140
www.vishay.com
1/
Vishay Spectrol
2"
(12.7 mm) Single - Turn Wirewound
Bushing Mount Type Precision Potentiometer
FEATURES
• Ohmic value range: 50 up to 20 k
• Smallest size available: 12.7 mm
• Mechanical stops on request
DESIGN SUPPORT TOOLS
• High torque and sealed versions available
click logo to get started
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
Models
Available
QUICK REFERENCE DATA
Sensor type
Output type
Market appliance
Dimensions
ROTATIONAL, single turn wirewound
Output by turrets
Professional
1/ " (12.7 mm)
2
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance
Tolerance
Absolute Minimum Resistance
Linearity (Independent)
Noise
Power Rating
Insulation Resistance
Dielectric Strength
Electrical Angle
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 VDC
1000 VRMS, 60 Hz
320° ± 5°
Linearity x total applied voltage for total resistance above 20 ;
2.0 % of total applied voltage for 20 and below
End Voltage
MATERIAL SPECIFICATIONS
Shaft
Housing
Rear Lid
Terminals
Mounting Hardware
Lockwasher Internal Tooth:
Panel Nut:
ENVIRONMENTAL SPECIFICATIONS
Stainless steel, non magnetic
non-passivated
Aluminum, anodized
Molded glass filled
thermoset plastic
Brass, gold plated
Vibration
20 g thru 2000 Hz
Shock
50 g
Salt Spray
96 h
Rotational Life
500 000 shaft revolutions
Load Life
900 h
Temperature Range
-55 °C to +125 °C (operating)
Note
• Nothing stated herein shall be construed as a guarantee of
quality or durability
Steel, nickel plated
Brass, nickel plated
ORDERING INFORMATION
1
4
MODEL
140
0
STYLE
B:
bushing
B
0
MECHANICAL OPTIONS
0: stops, slotted shaft (std)
1: plain shaft
2: shaft lock
3: continuous rotation
4: combination 1 and 2
5: combination 1 and 3
6: combination 2 and 3
7: combination 1, 2, and 3
3
5
0
FEATURES
0: standard torque
1: center tap (10K max. Rt)
2: high torque
3: sealed construction
4: combination 1 and 2
5: combination 1 and 3
6: combination 2 and 3
7: combination 1, 2, and 3
2
X
VALUE
470 = 47
222 = 2.200
103 = 10 k
For ohmic value
range see electrical
specification
X
X
X
SPECIAL REQUEST
Custom reference
PART NUMBER DESCRIPTION (for information only)
140-
0-
3-
502
xxxx
MODEL
MECHANICAL
OPTIONS
FEATURES
OHMIC VALUE
SPECIAL
Revision: 27-Sep-2018
Document Number: 57097
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 140
www.vishay.com
Vishay Spectrol
DIMENSIONS in inches (millimeters)
0.062 WIDE
IMPERFECT
THR’O AREA
+ 0.0000
0.1248 - 0.0003
1/4 - 32
UNEF - 2A
THREAD
+ 0.000
- 0.003
120°
TYP.
0.133 R
(3.38)
0.043
(1.09)
CW
0.152
(3.86)
0.056
(1.42)
0.305
(7.75)
MODEL 140B/140-...
Ø 0.250 MTG. (6.10)
± 0.015
0.312
(7.92)
0.031
(0.79)
Ø
(3.17)
Ø 0.500
(12.70)
0.187
(4.75)
0.031
(0.79)
Ø 0.062
(1.57)
± 0.010
0.700 (17.78)
MTG. FACE
SHAFT LOCK OPTION
CENTER TAP OPTION
0.500
(12.70)
150°
60°
INTEGRAL SHAFT LOCK
0.218
TOLERANCES: UNLESS
OTHERWISE NOTED.
DECIMALS ± 0.005 ANGLES ± 2 °
CENTER TAP AVAILABLE AS
SPEC STANDARD FEATURE
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation
Bearing Type
Torque (maximums)
Starting
Running
Dead Zone
Weight
Stop Strength
Runouts (maximum)
Shaft (TIR)
Pilot Dia. (TIR)
Lateral (TIR)
Shaft End Play
Shaft Radial Play
330° ± 5°
SLEEVE BEARING
0.2 oz. - in (14.40 g - cm)
0.2 oz. - in (14.40 g - cm)
Not applicable
0.1 oz. maximum (2.84 g)
5 in - lbs (5.76 kg - cm) static
0.002" (0.05 cm)
0.002" (0.05 cm)
0.003" (0.08 cm)
0.006" (0.15 cm)
0.003" (0.08 cm)
RATED POWER IN W
POWER RATING CHART
RESISTANCE ELEMENT DATA
MAXIMUM MAXIMUM
WIRE
RESO- OHMS CURRENT VOLTAGE
TEMP.
ACROSS
AT 40 °C
LUTION PER
COEF.
COIL
(%)
TURN AMBIENT
(ppm/°C)
(V)
(mA)
2
STD
RESISTANCE
VALUES
()
1
50
0.542
0.271
200.0
10.0
20
100
0.431
0.431
141.0
14.1
20
200
0.361
0.722
100.0
20.0
20
500
0.312
1.56
63.2
31.6
20
1K
0.255
2.55
44.7
44.7
20
2K
0.197
3.94
31.6
63.2
20
5K
0.170
8.50
20.0
100.0
20
10K
0.147
14.7
14.1
141.0
20
20K
0.105
21.0
10.0
200.0
20
0
0
20
40
60
80 100 120 140 160
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:
140-1-2-103
Revision: 27-Sep-2018
Document Number: 57097
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.
Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and
for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of
any of the products, services or opinions of the corporation, organization or individual associated with the third-party website.
Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website
or for that of subsequent links.
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.
© 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2022
1
Document Number: 91000