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
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
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 herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
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.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
1
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