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
High torque and sealed versions available
QUICK REFERENCE DATA
Material categorization: For definitions of compliance
Sensor type ROTATIONAL, single turn wirewound
please see www.vishay.com/doc?99912
Output type Output by turrets
Market appliance Professional
1
Dimensions / (12.7 mm)
2
ELECTRICAL SPECIFICATIONS
PARAMETER
Total Resistance 50 to 20 k
Tolerance 5 %
Linearity x total resistance or
Absolute Minimum Resistance
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
Rear Lid
500 000
thermoset plastic
Rotational Life
shaft revolutions
Terminals Brass, gold plated
Load Life 900 h
Mounting Hardware
Temperature Range - 55 C to + 125 C (operating)
Lockwasher Internal Tooth: Steel, nickel plated.
Panel Nut: Brass, nickel plated
ORDERING INFORMATION/DESCRIPTION
140B 0 0 20K BO10
MODEL MECHANICAL OPTIONS SPECIAL FEATURE OHMIC VALUE PACKAGING
0. Stops, slotted shaft (std) 0. Standard torque
1. Plain shaft 1. Center tap (10K max. R )
t
2. Shaft lock 2. High torque
3. Continuous rotation 3. Sealed construction
Box of 10 pieces
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
SAP PART NUMBERING GUIDELINES
140B 7 0 103 B10
MODEL MECHANICAL OPTION FEATURE OHMIC VALUE PACKAGING
Box of
From 0 to 7 From 0 to 7 103 = 10K
10 pieces
Revision: 08-Apr-13 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
(3.17)
+ 0.000 1/4 - 32
- 0.003
UNEF - 2A
120
0.133 R
THREAD
TYP.
0.500
(3.38)
(12.70)
0.187
0.32
(4.75)
CW (0.81)
0.056
0.015 0.031 0.031
0.152
(1.42)
0.312 (0.79) (0.79)
(3.86)
0.305 (7.92) 0.062
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
CENTER TAP AVAILABLE AS
0.218
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
2K 0.197 3.94 31.6 63.2 20
MARKING
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
Unit tolerance, circuit diagram, terminal
Identification identification, linearity and data code.
20K 0.105 21.0 10.0 200.0 20
Example of a marking for a standard part:
140-1-2-103
Revision: 08-Apr-13 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