Series ROT/SF
Vishay Sfernice
Precision Rotative Transducers,
Conductive Plastic, Servo Mounting
FEATURES
•
•
•
•
•
•
•
•
Size 08 to 30
Linearity ± 1 % down to ± 0.015 %
RoHS
COMPLIANT
Excellent repeatability
Long life
Essentially infinite resolution
Up to 6 electrical functions with the same shaft
On request custom design to meet your specifications
Following MIL-R-39023 and NFC 93-255 requirements
13
156 SF
15
176 SF
18
134 SF
20
200 SF
30
300 SF
A complete range of servo mounting rotational transducers
for applications requiring long life accuracy and speed.
SIZE
MODEL
08
34 SF
09
78 SF
11
116 SF
ELECTRICAL SPECIFICATIONS
Functions
Theoretical Electrical Angle (TEA)
Independent Linearity (over TEA)
On Request Best Linearity Available
Actual Electrical Angle (AEA)
Ohmic Values (R
T
)
Ohmic Value Tolerances at 20 °C
Output Smoothness
Maximum Power Rating at 70 °C
Wiper Current/Load Resistance
Tap (Current or Voltage)
On Request with Angular Position to be Specified
Repeatability
End Voltage
Insulation Resistance
Dielectric Strength
Linear, on request specific law
TEA = actual electrical angle (AEA) - 2°
A
≤
±1%
or
B
≤
± 0.5 %
or
C
≤
± 0.25 %
or
D
≤
± 0.1 %
D
≤
± 0.1 %
Down to E
≤
± 0.05 % Down to F
≤
± 0.025 % Down to
≤
± 0.015 %
340° ± 3°
350° ± 2°
1 kΩ - 2 kΩ - 5 kΩ - 10 kΩ - on request other values
± 10 %; on request ± 5 %
≤
0.025 %
On request
≤
0.01 %
0.25 W
0.3 W
0.4 W
0.5 W
0.75 W
1.0 W
1.2 W
1.5 W
Recommended: a few µA - 1 mA max. continuous/minimum 10
3
× R
T
{ Position: ± 2°
U = Current
/ T = Voltage Position: ± 2°
{ Width:
≤
4°
≤
0.01 %
≤
0.4 % for 470
Ω ≤
R
T
≤
1000
Ω
/
≤
0.2 % for 1000
Ω ≤
R
T
≤
2200
Ω
/
≤
0.1 % R
T
>
2200
Ω
≥
1000 MΩ, 500 V
DC
≥
750 V
RMS
, 50 Hz
≥
1000 V
RMS
, 50 Hz
MECHANICAL SPECIFICATIONS
Mechanical Rotation
Mounting/Shaft Guiding
Housing
Termination
Wiper
Starting Torque (N.cm)
Moment of Inertia (g.
Weight (g)
cm
2
)
1 cup
each additional cup
1 cup
each additional cup
0.3
11 ± 2
5±2
0.4
16 ± 2
6±2
0.6
20 ± 2
7±2
0.8
29 ± 2
10 ± 2
360° continuous; stops on request
Servo/ball bearings
Diallylphtalate; on request anodized aluminum
Turrets; on request flexible leads, cables...
Precious metal multi-finger contact
0.2
0.15
2.2
49 ± 2
16 ± 2
2.8
67 ± 3
18 ± 3
3.5
79 ± 3
21 ± 3
10
120 ± 10
62 ± 10
0.25
PERFORMANCE
Life (Million of Cycles)
Temperature Range
Climatic Category
Maximum Rotation Speed (RPM)
Sine Vibration on 3 Axes
Mechanical Shocks on 3 Axes
≥
50
- 55 °C to + 125 °C
55/125/04
600
1.5 mm or 20 g from 10 Hz to 2000 Hz
50 g - 11 ms - half sine
www.vishay.com
46
For technical questions, contact: sfer@vishay.com
Document Number: 54004
Revision: 22-Mar-07
Series ROT/SF
Precision Rotative Transducers,
Conductive Plastic, Servo Mounting
DIMENSIONS
in millimeters, general tolerance ± 0.5 mm
0.025
X
X
Vishay Sfernice
H
E
F
M
L
3
ELECTRICAL
CONNECTIONS
2
3
1
ØA
ØC
ØD
X
CLOCK WISE
VIEWED FROM
SHAFT SIDE
DIMENSIONS
A-0
- 0.013
B max.
C max.
D
E
F min.
Ø G max.
H min.
I max.
J max.
K max.
L ± 2°
M max.
N max.
ORDERING INFORMATION/DESCRIPTION
ROT
SERIES
156
S
S: Servo
F
F: Plastic Film
1
From 1
up to 6
C
LINEARITY
Code
A: ± 1 %
B: ± 0.5 %
C: ± 0.25 %
D: ± 0.1 %
E: ± 0.05 %
F: ± 0.025 %
T
TAP
On request
T: Voltage
U: Current
position to
be specified
502
First 2 digits
are significant
numbers 3rd
digit indicates
number of
zeros
e1
MODEL MOUNTING TYPE CONDUCTOR NUMBER OF CUPS
OHMIC VALUE LEAD FINISH
Special characteristics designs on request
SAP PART NUMBERING GUIDELINES
RO 116SF
MODEL
1
GANG NUMBER
From 1 up to 6
Document Number: 54004
Revision: 22-Mar-07
For technical questions, contact: sfer@vishay.com
D
LINEARITY
502
OHMIC VALUE
5 kΩ
www.vishay.com
47
T
0.025
2
L
1
I
J
1.6
B
ØG
N
K ON CLAMP
DESIGNATION
Ø shaft stainless steel
Shaft length
Ø body plastic molded
Ø flange
Tolerance on flange
Shoulder
Width of groove
Diameter of groove
Turret location
Radius on turrets
Radius on screw clamp
Ø on clamp
Angle between turrets
Total angle
1 cup
2 cups
3 cups
4 cups
5 cups
6 cups
SIZE
MODEL
08
34 SF
3.175
13
19.18
15.875
1.6
1.5
17.57
5.8
14
13.5
19.6
30°
100°
16
23
36
42
54.5
60.5
09
78 SF
3.175
16.6
22.3
19.05
1.6
1.5
19.8
5.95
15.4
15.4
23.8
30°
100°
20.5
27
40
50
63
74
POTENTIOMETER REFERENCE
11
13
15
18
116 SF 156 SF 176 SF 134 SF
3.175
3.175
6.345
16.6
36.6
33.337
1.6
2.2
33.3
7
23.1
23.1
37.4
20°
80°
23.5
26.13
39.5
49.5
62.5
73.5
6.345
16.6
44.5
39.674
1.6
1.8
41.4
10.15
26.5
26.5
44.5
25°
80°
23.5
26
39.5
49.5
62.5
73.5
20
200 SF
6.345
30
300 SF
6.345
16.6
16.6
27.07
33.35
24.608
30.16
+ 0 - 13 µm
1.6
1.6
1.5
1.5
24.8
30.9
6.3
6.3
17.3
20.5
17.3
18.9
27.7
33.6
25°
20°
100°
100°
20.5
20.5
23
25.5
36
39.5
42
47
54
60.5
60.5
68.5
16.6
16.6
50.9
76.3
47.625 73.025
+ 0 - 25 µm
2.4
2.4
2.2
1.75
47.6
73.1
10.2
10.2
29.7
43.7
29.7
42.6
50.8
77.5
15°
15°
80°
80°
23.5
23
28.5
34.5
40.97
-
50.72
-
64.5
-
74.5
-
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.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“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,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
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 to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Revision: 12-Mar-12
1
Document Number: 91000
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