Series ROT/BF
Vishay Sfernice
Precision Rotative Transducers,
Conductive Plastic, Bushing Mounting
FEATURES
•
Size 08 to 30
•
•
•
•
•
•
•
Linearity ± 1 % down to ± 0.05 %
RoHS
COMPLIANT
Good 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 BF
15
176 BF
18
134 BF
20
200 BF
30
300 BF
A complete range of bushing mounting rotational motion
transducers.
SIZE
MODEL
08
34 BF
09
78 BF
11
116 BF
ELECTRICAL SPECIFICATIONS
Functions
Theoretical Electrical Angle (TEA)
Independent Linearity (over TEA)
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
Tap (Current or Voltage)
On Request with Angular Position to be Specified
Load Resistance on Wiper (R
L
)
Repeatability
End Voltage
Insulation Resistance
Dielectric Strength
Linear, on request specific law
Actual electrical angle (AEA) - 2°
or
C
≤
± 0.25 %
A
≤
±1%
B
≤
± 0.5 %
or
C
≤
± 0.25 %
Down to D
≤
± 0.1 %
Down to E
≤
± 0.05 %
340° ± 3°
350° ± 2°
1 kΩ - 2 kΩ - 5 kΩ - 10 kΩ - on request other values
± 10 %
≤
0.05 %
≤
0.025 %
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)
{ Position: ± 2°
U = current
/ T = voltage Position: ± 2°
{ Width:
≤
4°
min. 10
3
x R
T
≤
0.02 %
≤
0.4 % for 470
Ω ≤
R
T
≤
1000
Ω
/
≤
0.2 % for 1000
Ω <
R
T
≤
2200
Ω
/
≤
0.1 % for R
T
>
2200
Ω
≥
1000 MΩ, 500 V
DC
≥
750 V
RMS
, 50 Hz
≥
1000 V
RMS
, 50 Hz
MECHANICAL SPECIFICATIONS
Mechanical Rotation
Mounting Type
Shaft Guiding
Shaft
Housing
Termination
Wiper
Starting Torque (N.cm)
Moment of Inertia (g. cm
2
)
Weight (g)
1 cup
each additional cup
360° continuous; stops on request
Bushing
Sleeve bearings; on request ball bearings
Stainless steel
Plastic moulding; on request anodized aluminum
Turrets; on request flexible leads, cables...
Precious metal multi-finger contact
≤
0.5 1 cup;
≤
0.3 for each additional cup
0.4
0.6
0.8
2.2
2.8
3.5
20 ± 2
21 ± 2
30 ± 2
33 ± 2
45 ± 3
54 ± 3
6±2
7±2
14 ± 2
16 ± 2
18 ± 3
21 ± 3
0.3
11 ± 2
5±2
10
120 ± 10
62 ± 10
PERFORMANCE
Life (Million of Cycles)
Temperature Range
Climatic Category
Rotation Speed (RPM)
≥
20
- 55 °C to + 125 °C
55/125/04
150
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44
For technical questions, contact: sfer@vishay.com
Document Number: 54005
Revision: 22-Mar-07
Series ROT/BF
Precision Rotative Transducers,
Conductive Plastic, Bushing Mounting
DIMENSIONS
in millimeters, general tolerance ± 0.5 mm
Ø 9.52 x 0.79
3/8 - 32 NEF2A THD
ØA
ELECTRICAL
CONNECTIONS
2
3
1
Vishay Sfernice
H
M
L
L
I
0.4 x 45
ØC
0.5 x 45°
*
1.6
9.9 MAX.
N
20 MAX.
DELIVERED WITH NUT + WASHER
CLOCK WISE
VIEWED FROM
SHAFT SIDE
Ø 10.3
J
-0
- 0.02
O
ØP
Ø K ON CLAMP
Note:
·
On Request
SIZE
MODEL
A-0
- 0.013
C max.
H min.
I max.
J max.
K
O
P max.
L ± 2°
M max.
Ø shaft
Ø body
Turret location
Radius on turrets
Radius on screw clamp
Ø on clamp
Locating pin (on request)
Ø pin (on request)
Angle between turrets
Total angle
1 cup
2 cups
3 cups
4 cups
5 cups
6 cups
POTENTIOMETER REFERENCE
08
34 BF
3.175
19.18
4.2
14
13.5
19.6
7.2
1.6
30°
100°
14.5
21.5
34.5
40.5
53
59
09
78 BF
3.175
22.3
4.7
15.4
15.4
23.8
8
1.6
30°
100°
19
25
38
48
61
72
11
116 BF
3.175
27.07
5.35
17.3
17.3
27.7
8.8
3.25
25°
100°
19
21.5
34.5
40.5
53
59
13
156 BF
3.175
33.35
5.35
20.8
18.9
33.6
9
3.25
20°
100°
19
24
38
45.5
59
67
15
176 BF
6.345
36.6
8
23.1
23.1
37.4
14.4
3.25
20°
80°
21
24.5
37.5
48
60.5
72
18
134 BF
6.345
44.5
8
26.6
26.5
44.5
16.8
3.25
25°
80°
21
24.5
37.5
48
61
72
20
200 BF
6.345
50.9
7.45
29.7
29.3
50.8
13.48
-
15°
80°
21
26
38
48
62
72
30
300 BF
6.345
76.4
5.55
43.7
42.6
77.5
-
-
15°
80°
20.5
23.5
-
-
-
-
DIMENSIONS
DESIGNATION
N max.
ORDERING INFORMATION/DESCRIPTION
ROT
SERIES
156
SIZE
B
B: Bushing
F
F: Plastic film
1
From 1 up to 6
C
LINEARITY
A: ± 1 %
B: ± 0.5 %
C: ± 0.25 %
D: ± 0.1 %
E: ± 0.05 %
T
TAP
502
OHMIC VALUE
e1
LEAD FINISH
MOUNTING TYPE CONDUCTOR NUMBER OF CUPS
On request First 2 digits are
T: Voltage
significant
U: Current
numbers 3rd
position to
digit indicates
be specified number of zeros
Special characteristics and designs on request
SAP PART NUMBERING GUIDELINES
RO 116BF
MODEL
1
GANG NUMBER
From 1 up to 6
Document Number: 54005
Revision: 22-Mar-07
For technical questions, contact: sfer@vishay.com
D
LINEARITY
103
OHMIC VALUE
10 kΩ
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45
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
www.vishay.com
1
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