Series ECO
www.vishay.com Vishay Sfernice
Revision: 05-Sep-18 1Document Number: 54007
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
Precision Rotative Transducers,
Conductive Plastic, Economic Series (ECO)
The “ECO” models are a comprehensive range of rational
motion transducers for industrial applications.
All mechanical and electrical parameters can be adapted to
meet your specifications.
FEATURES
• Size 05 - 09 - 13 are available
• Long life up to 30 million cycles
• Accuracy ± 1 % down to ± 0.25 %
• Bush or servo mounting types
• Rear mounted terminals
• Following MIL-R-39023 and NFC 93-255 requirements
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
QUICK REFERENCE DATA
Sensor type ROTATIONAL, conductive plastic
Output type Output by turrets
Market appliance Industrial
Dimensions Various sizes
RoHS
COMPLIANT
SIZE 05 09 13
MODEL 50 ES 50 CB 78 ES 78 CS 78 CB 156 ES 156 CS 156 CB
ELECTRICAL SPECIFICATIONS
Theoretical electrical travel (TET) Actual electrical angle (AEA) - 2°
Independent linearity (over TET) A ± 1 %
(standard)
B ± 0.5 %
(special)
C ± 0.25 %
(special)
Actual electrical travel (AET) 330° ± 5° 340° ± 5° 350° ± 5°
Ohmic values (RT) 1 k - 5 k - 10 k - on request other values
Ohmic value tolerances at 20 °C ± 10 % ± 20 % ± 10 % ± 20 % ± 10 % ± 20 %
Output smoothness 0.05 %
Maximum power rating at 70 °C 0.2 W 0.3 W 0.5 W
Wiper current Recommended: a few μA - 1 mA max. (continuous)
Tap (current or voltage) NA 1 (on request)
Resistance load on wiper Minimum 103 x RT
End voltage 0.2 % 0.5 % 0.2 % 0.5 % 0.2 % 0.5 %
Insulation resistance 1000 M, 500 VDC
Dielectric strength 500 VRMS, 50 Hz
MECHANICAL SPECIFICATIONS
Mechanical angle (MA) 360° continuous
On request: stops NA 340° ± 3° 350° ± 3°
Mounting type Servo Bushing Servo Bushing Servo Bushing
Shaft guiding Ball
bearings
Sleeve
bearings
Ball
bearings
Sleeve
bearings
Ball
bearings
Sleeve
bearings
Shaft Stainless steel
Housing Plastic molding
Termination Turrets
Wiper Precious metal multi-finger contact
Starting torque (N.cm) in TET 0.2 0.5 0.2 0.5 0.2 0.5
Torque on stops (N.cm) 50
Weight (g) 5 ± 2 8 ± 2 13 ± 2 17 ± 2 29 ± 2 34 ± 2
Moment of inertia (g cm2) 0.5 1 2