Model 140
www.vishay.com
Vishay Spectrol
1
/ (12.7 mm) Single - Turn Wirewound
2
Bushing Mount Type Precision Potentiometer
FEATURES
Ohmic value range: 50 up to 20 k
Smallest size available: 12.7 mm
Mechanical stops on request
click logo to get started
High torque and sealed versions available
DESIGN SUPPORT TOOLS
Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
Models
Available
QUICK REFERENCE DATA
Sensor type ROTATIONAL, single turn wirewound
Output type Output by turrets
Professional
Market appliance
1
/ (12.7 mm)
Dimensions
2
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance 50 to 20 k
Tolerance 5 %
Absolute Minimum Resistance Linearity x total resistance or 0.5 , whichever is greater
Linearity (Independent) 1.0 %
Noise 100 ENR
Power Rating 2 W at 40 C ambient derating linearly to zero at 125 C
Insulation Resistance 1000 M min. 500 V
DC
Dielectric Strength 1000 V , 60 Hz
RMS
Electrical Angle 320 5
Linearity x total applied voltage for total resistance above 20 ;
End Voltage
2.0 % of total applied voltage for 20 and below
MATERIAL SPECIFICATIONS ENVIRONMENTAL SPECIFICATIONS
Stainless steel, non magnetic Vibration 20 g thru 2000 Hz
Shaft
non-passivated
Shock 50 g
Housing Aluminum, anodized
Salt Spray 96 h
Molded glass filled
Rotational Life 500 000 shaft revolutions
Rear Lid
thermoset plastic
Load Life 900 h
Terminals Brass, gold plated
Temperature Range -55 C to +125 C (operating)
Mounting Hardware
Note
Lockwasher Internal Tooth: Steel, nickel plated
Nothing stated herein shall be construed as a guarantee of
Panel Nut: Brass, nickel plated
quality or durability
ORDERING INFORMATION
140 B 03502 XXXX
MODEL STYLE MECHANICAL OPTIONS FEATURES VALUE SPECIAL REQUEST
140 B: 0: stops, slotted shaft (std) 0: standard torque 470 = 47 Custom reference
222 = 2.200
bushing 1: plain shaft 1: center tap (10K max. Rt)
103 = 10 k
2: shaft lock 2: high torque
For ohmic value
3: continuous rotation 3: sealed construction
range see electrical
specification
4: combination 1 and 2 4: combination 1 and 2
5: combination 1 and 3 5: combination 1 and 3
6: combination 2 and 3 6: combination 2 and 3
7: combination 1, 2, and 3 7: combination 1, 2, and 3
PART NUMBER DESCRIPTION (for information only)
140- 0- 3- 502 xxxx
MECHANICAL
MODEL FEATURES OHMIC VALUE SPECIAL
OPTIONS
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 MODEL 140B/140-...
0.250 MTG. (6.10)
IMPERFECT
+ 0.0000
THRO AREA
0.1248
- 0.0003
1/4 - 32 (3.17)
+ 0.000
- 0.003 UNEF - 2A
120
0.133 R
THREAD
TYP.
(3.38) 0.500
(12.70)
0.187
0.043
(4.75)
CW
(1.09)
0.056
0.152 0.015 0.031 0.031
(1.42)
(3.86) 0.312 (0.79) (0.79)
0.305 0.062
(7.92)
0.010
(7.75) (1.57)
0.700 (17.78)
MTG. FACE
SHAFT LOCK OPTION CENTER TAP OPTION
0.500
(12.70)
150
TOLERANCES: UNLESS
OTHERWISE NOTED.
DECIMALS 0.005 ANGLES 2
60
0.218 CENTER TAP AVAILABLE AS
INTEGRAL SHAFT LOCK
SPEC STANDARD FEATURE
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation 330 5
Bearing Type SLEEVE BEARING
Torque (maximums)
Starting 0.2 oz. - in (14.40 g - cm)
Running 0.2 oz. - in (14.40 g - cm)
Dead Zone Not applicable
Weight 0.1 oz. maximum (2.84 g)
Stop Strength 5 in - lbs (5.76 kg - cm) static
Runouts (maximum)
0.002" (0.05 cm)
Shaft (TIR)
0.002" (0.05 cm)
Pilot Dia. (TIR)
0.003" (0.08 cm)
Lateral (TIR)
0.006" (0.15 cm)
Shaft End Play
0.003" (0.08 cm)
Shaft Radial Play
POWER RATING CHART
RESISTANCE ELEMENT DATA
MAXIMUM MAXIMUM
2
STD WIRE
RESO- OHMS CURRENT VOLTAGE
RESISTANCE TEMP.
LUTION PER AT 40 C ACROSS
VALUES COEF.
(%) TURN AMBIENT COIL
( ) (ppm/C)
(mA) (V)
50 0.542 0.271 200.0 10.0 20
1
100 0.431 0.431 141.0 14.1 20
200 0.361 0.722 100.0 20.0 20
0
0 20 40 60 80 100 120 140 160
500 0.312 1.56 63.2 31.6 20
AMBIENT TEMPERATURE IN C
1K 0.255 2.55 44.7 44.7 20
MARKING 2K 0.197 3.94 31.6 63.2 20
Units shall be marked with manufacturers
5K 0.170 8.50 20.0 100.0 20
name, model number, resistance value and
10K 0.147 14.7 14.1 141.0 20
tolerance, circuit diagram, terminal
Unit
identification, linearity and data code.
Identification
20K 0.105 21.0 10.0 200.0 20
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
RATED POWER IN W