Series ECO
www.vishay.com
Vishay Sfernice
Precision Rotative Transducers,
Conductive Plastic, Economic Series (ECO)
FEATURES
• Size 05 - 09 - 13 are available
• Long life up to 30 million cycles
RoHS
• Accuracy ± 1 % down to ± 0.25 %
COMPLIANT
• 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
The “ECO” models are a comprehensive range of rational
motion transducers for industrial applications.
Output type
Output by turrets
All mechanical and electrical parameters can be adapted to
meet your specifications.
Dimensions
SIZE
MODEL
Market appliance
05
Industrial
Various sizes
09
50 ES
50 CB
78 ES
13
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)
Ohmic value tolerances at 20 °C
1 k - 5 k - 10 k - on request other values
± 10 %
± 20 %
± 10 %
Maximum power rating at 70 °C
0.2 W
± 10 %
0.3 W
Wiper current
± 20 %
0.5 W
Recommended: a few μA - 1 mA max. (continuous)
Tap (current or voltage)
NA
1 (on request)
Minimum 103 x RT
Resistance load on wiper
End voltage
± 20 %
0.05 %
Output smoothness
0.2 %
0.5 %
0.2 %
0.5 %
0.2 %
0.5 %
1000 M, 500 VDC
Insulation resistance
500 VRMS, 50 Hz
Dielectric strength
MECHANICAL SPECIFICATIONS
Mechanical angle (MA)
On request: stops
Mounting type
Shaft guiding
Shaft
Housing
Termination
Wiper
Starting torque (N.cm) in TET
Torque on stops (N.cm)
Weight (g)
Moment of inertia (g cm2)
Revision: 05-Sep-18
NA
Servo
Ball
bearings
Bushing
Sleeve
bearings
0.2
0.5
5±2
8±2
0.5
360° continuous
340° ± 3°
350° ± 3°
Servo
Bushing
Servo
Bushing
Ball
Sleeve
Ball
Sleeve
bearings
bearings
bearings
bearings
Stainless steel
Plastic molding
Turrets
Precious metal multi-finger contact
0.2
0.5
0.2
0.5
50
13 ± 2
17 ± 2
29 ± 2
34 ± 2
1
2
Document Number: 54007
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
Series ECO
www.vishay.com
Vishay Sfernice
PERFORMANCE
MODELS
ES
CS and CB
Life (106 cycles)
30
20
Temperature range
-55 °C to +125 °C
Climatic category
55/125/04
Speed rotation (RPM)
600
150
Sine vibration on 3 axes
1.5 mm or 20 g from 10 Hz to 2000 Hz
Mechanical shocks on 3 axes
50 g - 11 ms - half sine
Note
• Nothing stated herein shall be construed as a guarantee of quality or durability
• Life under Vishay laboratory conditions
DIMENSIONS in millimeters, general tolerance ± 0.5 mm
0.05
X
T
SIZE 05/09/13
SERVO MOUNT TYPE
G
50 ES
0.05
H
X
78 ES
78 CS
-0
156 ES
Ø 3.175 - 0.013
156 CS
+0
ØA
Ø C - 0.025
0.4 x 45
X
Ø D MAX.
F
12.7 ± 0.8
DIMENSIONS
ØA
B
ØC
Ø D max.
F
G
H
I max.
DESIGNATION
Ø housing
Length
Ø pilot
Ø groove
Flange thickness
Shoulder
Dia. of groove
Height of the turret
SIZE 05
50 ES
12.7
13.0
9.525
11.45
1 ± 0.1
1.2 ± 0.1
1.2 ± 0.2
2.5
I
SIZE 09
78 ES
SIZE 13
78 CS
156 ES
22.2
13.5
19.05
19.64
156 CS
33.3
18.0
30.16
30.9
1.6 ± 0.1
1.6 ± 0.1
1.5 min.
2.5
3.6
10.3 ± 0.13
-0
SIZE 05/09/13
B
Ø 3.175 - 0.013
BUSHING MOUNT TYPE
50 CB
Ø 9.52
x 0.79
78 CB
ØA
156 CB
Ø 5.1 MAX.
0.4 x 45
1
1.6
9.6 MAX.
22.2 MAX.
DIMENSIONS
ØA
B max.
C max.
DESIGNATION
Ø housing
Length
Height of the turret
Revision: 05-Sep-18
SIZE 05
50 CB
12.7
11
2.5
B MAX. C
SIZE 09
78 CB
22.2
11.5
2.5
SIZE 13
156 CB
33.3
16
3.6
Document Number: 54007
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
Series ECO
www.vishay.com
Vishay Sfernice
DIMENSIONS in millimeters, general tolerance ± 0.5 mm
SIZE 13
SIZE 09
SIZE 05
45° ±
45°
°
45°
±5
°
±5
°
R = 3.7
1
2
3
45° ± 5
5°
1
3
3
1
CW
2
2
R = 4.8
R = 4.8
4
R = 11
4 INTERMEDIATE TAP
ON REQUEST
45°
45
°
±5
°±
1
3.5 MAX.
5°
3
4
INTERMEDIATE TAP
ON REQUEST
2
ORDERING INFORMATION/DESCRIPTION
ECO
78
E
S
A
T
103
e4
SERIES
MODEL
TYPE
FIXATION
LINEARITY
CODE
TAP
OHMIC VALUE
LEAD FINISH
On request
T: Voltage
U: Current
position to
be specified
First 2 digits are
significant
numbers 3rd digit
indicates number
of zeros
E = Ball bearings
C = Sleeve bearings
S: Servo
B: Bushing
A: ± 1 %
B: ± 0.5 %
C: ± 0.25 %
Special characteristics and designs on request
SAP PART NUMBERING GUIDELINES
ECO
78CB
C
502
SERIES
MODEL
LINEARITY
OHMIC VALUE
Revision: 05-Sep-18
Document Number: 54007
3
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
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
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Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product
with the properties described in the product specification is suitable for use in a particular application. Parameters provided in
datasheets and / or specifications may vary in different applications and performance may vary over time. All operating
parameters, including typical parameters, must be validated for each customer application by the customer's technical experts.
Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited
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© 2024 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Document Number: 91000
1
For technical questions, contact:
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
Revision: 01-Jan-2024