ROT156SF Datasheet, PDF (1/3 Pages) Vishay Siliconix – Precision Rotative Transducers, Conductive Plastic, Servo Mounting

Series ROT/SF
Vishay Sfernice
Precision Rotative Transducers,
Conductive Plastic, Servo Mounting
A complete range of servo mounting rotational transducers
for applications requiring long life accuracy and speed.
SIZE
MODEL
08
34 SF
09
78 SF
FEATURES
• Size 08 to 30
• Linearity ± 1 % down to ± 0.015 %
• Excellent repeatability
RoHS
COMPLIANT
• 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
11
116 SF
13
156 SF
15
176 SF
18
134 SF
20
200 SF
30
300 SF
ELECTRICAL SPECIFICATIONS
Functions
Linear, on request specific law
Theoretical Electrical Angle (TEA)
TEA = actual electrical angle (AEA) - 2°
Independent Linearity (over TEA)
On Request Best Linearity Available
A≤±1%
D ≤ ± 0.1 %
or
B ≤ ± 0.5 % or C ≤ ± 0.25 % or
D ≤ ± 0.1 %
Down to E ≤ ± 0.05 % Down to F ≤ ± 0.025 % Down to ≤ ± 0.015 %
Actual Electrical Angle (AEA)
340° ± 3°
350° ± 2°
Ohmic Values (R_T)
Ohmic Value Tolerances at 20 °C
1 kΩ - 2 kΩ - 5 kΩ - 10 kΩ - on request other values
± 10 %; on request ± 5 %
Output Smoothness
≤ 0.025 %
On request ≤ 0.01 %
Maximum Power Rating at 70 °C
Wiper Current/Load Resistance
Tap (Current or Voltage)
On Request with Angular Position to be Specified
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 10³ × R_T
U = Current
{ Position: ± 2°
{ Width: ≤ 4°
/ T = Voltage Position: ± 2°
Repeatability
≤ 0.01 %
End Voltage
Insulation Resistance
Dielectric Strength
≤ 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
1 cup
Starting Torque (N.cm)
each additional cup
Moment of Inertia (g. cm²)
0.3
Weight (g)
1 cup 11 ± 2
each additional cup 5 ± 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
0.25
0.15
0.4
0.6
0.8
2.2
2.8
3.5
16 ± 2 20 ± 2 29 ± 2 49 ± 2 67 ± 3 79 ± 3
6±2
7±2
10 ± 2 16 ± 2 18 ± 3 21 ± 3
10
120 ± 10
62 ± 10
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
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For technical questions, contact: [e-mail]
Document Number: 54004
Revision: 22-Mar-07