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MODEL140 Datasheet(PDF) 2 Page - Vishay Siliconix

Part # MODEL140
Description  1/2 (12.7 mm) Single - Turn Wirewound Bushing Mount Type Precision Potentiometer
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

MODEL140 Datasheet(HTML) 2 Page - Vishay Siliconix

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Model 140
1/2" (12.7 mm) Single - Turn Wirewound
Bushing Mount Type Precision Potentiometer
Vishay Spectrol
Document Number: 57097
For technical questions, contact: sfer@vishay.com
www.vishay.com
Revision: 28-Jun-07
89
DIMENSIONS in inches (millimeters)
MECHANICAL SPECIFICATIONS
PARAMETER
Rotation
330° ± 5°
Bearing Type
Torque (Maximums)
Starting
Running
Dead Zone
SLEEVE BEARING
0.2 oz. - in (14.40 g - cm)
0.2 oz. - in (14.40 g - cm)
Not applicable
Weight
0.1 oz. maximum (2.84 g)
Stop Strength
5 in - lbs (5.76 kg - cm) static
Runouts (Maximum)
Shaft (TIR)
Pilot Dia. (TIR)
Lateral (TIR)
Shaft End Play
Shaft Radial Play
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)
POWER RATING CHART
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.
0
20
40
60
80 100 120 140
160
AMBIENT TEMPERATURE IN °C
0
1
2
RESISTANCE ELEMENT DATA
STD
RESISTANCE
VALUES
(
Ω)
RESO-
LUTION
(%)
OHMS
PER
TURN
MAXIMUM
CURRENT
AT 40 °C
AMBIENT
(mA)
MAXIMUM
VOLTAGE
ACROSS
COIL
(V)
WIRE
TEMP.
COEF.
(ppm/°C)
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
150°
60°
CENTER TAP AVAILABLE AS
SPEC STANDARD FEATURE
CENTER TAP OPTION
SHAFT LOCK OPTION
TOLERANCES: UNLESS
OTHERWISE NOTED.
DECIMALS ± 0.005 ANGLES ± 2 °
0.218
120°
TYP.
0.133 R
(3.38)
+ 0.000
- 0.003
Ø 0.250 MTG. (6.10)
1/4 - 32
UNEF - 2A
THREAD
Ø 0.1248
(3.17)
+ 0.0000
- 0.0003
Ø 0.062
(1.57)
0.031
(0.79)
0.187
(4.75)
0.031
(0.79)
± 0.010
0.305
(7.75)
0.056
(1.42)
0.152
(3.86)
MTG. FACE
Ø 0.500
(12.70)
0.500
(12.70)
0.700 (17.78)
INTEGRAL SHAFT LOCK
CW
0.312
(7.92)
± 0.015
0.062 WIDE
IMPERFECT
THR’O AREA


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