Model 142

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Vishay Spectrol

Revision: 08-Dec-17

2

Document Number: 57039

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POWER RATING CHART

PART NUMBER DESCRIPTION (for information only)

142

0-

1-

502

xxxx

MODEL

MECHANICAL

OPTIONS

FEATURES

OHMIC VALUE

SPECIAL

DIMENSIONS in inches (millimeters)

MECHANICAL SPECIFICATIONS

PARAMETER

Rotation

360° continuous

Bearing Type



Torque (maximums)



Starting



Running



Dead Zone

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)

Weight

0.3 oz. (8.50 g) maximum

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)

0.002" (0.05 cm)

0.004" (0.10 cm)

0.002" (0.05 cm)

150

°

60

°

CENTER TAP AVAILABLE AS

SPEC STANDARD FEATURE

Ø 0.4370 MTG

(11.10)

± 0.0005

Ø 0.1248

(3.17)

+ 0.000

- 0.0003

Ø 0.500

(12.70)

0.500

(12.70)

+ 0.010

0.062 (1.57)

MTG FACE

0.625

(15.88)

0.062 (1.57)

0.062

(1.57)

0.152

(3.86)

TOLERANCES: UNLESS

OTHERWISE NOTED,

DECIMALS ± 0.005, ANGLES ± 2

°

120

° TYP

0.133 R

(3.38)

CW

Ø 0.375

(9.52)

MODEL 142S/142-...

0.32

(0.81)

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

0

20

40

60

80 100 120 140

160

AMBIENT TEMPERATURE IN °C

0

1

2

RESISTANCE ELEMENT DATA

STD

RESISTANCE

VALUES

(

)

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