157 Datasheet, PDF (1/4 Pages) Vishay Siliconix – Rugged one piece metal housing

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Model 157
Vishay Spectrol
7_{/8" (22.2 mm) Precision Industrial Potentiometer,}
Bushing And Servo Mount Versions, Conductive Plastic
QUICK REFERENCE DATA
Sensor type
ROTATIONAL, conductive plastic
Output type
Output by turrets
Market appliance
Dimensions
Industrial
7_{/8" (22.2 mm)}
FEATURES
• High quality
• Rugged one piece metal housing
• Long rotational life
• Wide operating temperature range
• Linearities down to ± 0.25 % special
• Optional sealed construction (bushing mount only)
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
ELECTRICAL SPECIFICATIONS
PARAMETER
Resistance
Resistance Tolerance
Special to
Linearity
Special to
Temperature Coefficient of Resistance
Power Rating
Derated to
Electrical Angle
End Voltage
Dielectric Withstanding
Insulation Resistance
Output Smoothness
MIL-PRF-39023 TEST PROCEDURES APPLY
1 k to 100 k
± 20 %
± 10 %
± 2.0 %
± 0.25 %
± 600 ppm/°C
1.0 W at 40 °C ambient
0 W at 125 °C
340° ± 4°
0.5 % maximum
1000 V_RMS, 60 Hz
100 M minimum, 500 V_DC
0.1 %
MECHANICAL SPECIFICATIONS
PARAMETER
Weight
Rotation
Mount
Bearing Type
Operating Torque
Starting
Running
Mechanical Tolerance (in/mm) (maximum)
Shaft Runout (TIR)
Pilot Dia Runout (TIR)
Lateral Runout (TIR)
Shaft End Play
Shaft Radial Play
BUSHING
Sleeve bearing
0.5 oz. maximum (14 g)
360° (continuous)
SERVO
Ball bearing
0.30 oz. - in (21.6 g - cm)
0.25 oz. - in (18 g - cm)
0.25 oz. - in (18 g - cm)
0.15 oz. - in (10.8 g - cm)
0.002" (0.05 mm)
-
0.005" (0.13 mm)
0.006" (0.15 mm)
0.003" (0.08 mm)
0.002" (0.05 mm)
0.002" (0.05 mm)
0.002" (0.05 mm)
0.005" (0.13 mm)
0.002" (0.05 mm)
Revision: 06-Nov-15
1
Document Number: 57042
For technical questions, contact: [e-mail]
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