POHR36, POHR44, POTH44, POTH50, POTH76
www.vishay.com
Vishay MCB
Single-Turn Continuous Rotation Analog Displacement Sensors
FEATURES
• Conductive plastic potentiometer technology, infinite
resolution
• Servo mount anodized light alloy housing
• Precious metal contacts
• Stainless steel shaft and bearings
• Applicable standards: NFC 93255, MIL R39023
QUICK REFERENCE DATA
Sensor type
ROTATIONAL, conductive plastic
Output type
Output by turrets
Market appliance
Dimensions
Industrial, avionics
Ø 36, Ø 44, Ø 50, Ø 76
ELECTRICAL SPECIFICATIONS
PARAMETER
POHR36
POHR44
350° 3°
0.5 ꢀ
POTH44
350° 3°
0.5 ꢀ
POTH50
350° 2°
0.25 ꢀ
POTH76
350° 1°
0.1 ꢀ
Theoretical electrical travel (TET)
Standard linearity (
350° 3°
0.5 ꢀ
0.25 ꢀ, 0.1 ꢀ,
0.05 ꢀ
0.25 ꢀ, 0.1 ꢀ,
0.05 ꢀ
0.25 ꢀ, 0.1 ꢀ,
0.05 ꢀ
0.1 ꢀ, 0.05 ꢀ,
0.03 ꢀ
Optional linearity (
0.05 ꢀ, 0.02 ꢀ
Total resistance range (E3)
Tolerance on Rn
4.7 k or 10 k
4.7 k or 10 k
4.7 k or 10 k
10 ꢀ, 5 ꢀ optional
0.1 ꢀ
4.7 k or 10 k
4.7 k or 10 k
Output smoothness
Power rating at 70 °C
Temperature coefficient
Wiper current
2 W
2.5 W
2.5 W
3 W
4 W
-300 300 ppm/°C
1 mA
Recommended load impedance
Insulation resistance
Dielectric strength
1000 Rn
10 G at 500 VDC
1000 VRMS, 50 Hz, 1 min
MECHANICAL SPECIFICATIONS
PARAMETER
POHR36
15
POHR44
18
POTH44
POTH50
20
POTH76
30
Size
18
20
first stage
20
20
25
35
Running and starting torque (cN cm)
Moment of inertia (g cm2)
additional stage
first stage
18
18
18
22
30
2.2
0.6
2.6
0.6
80
6
5
100
50
8
20
17
230
80
additional stage
first stage
6
50
100
55
Weight (g)
additional stage
12
12
Protection class
IP50
PERFORMANCE
PARAMETER
Life
25M cycles
Temperature range
Rotation speed
-55 °C to +125 °C
600 rpm
Note
Nothing stated herein shall be construed as a guarantee of quality or durability.
•
Revision: 20-Oct-15
Document Number: 32521
1
For technical questions, contact: mcbprecisionpot@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