POTH12, POTH19, POTH22, POTH27, POHR27
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
QUICK REFERENCE DATA
Sensor type
Output type
Market appliance
Dimensions
ROTATIONAL, conductive plastic
Output by turrets
Industrial, avionics
1/2" (12.7 mm) to 1 1/16" (27 mm)
• Applicable standards: NFC 93255, MIL R39023
ELECTRICAL SPECIFICATIONS
PARAMETER
Theoretical electrical travel
Standard linearity (
Optional linearity (
Total resistance range (E3)
Tolerance on R
n
Output smoothness
Power rating at 70 °C
Temperature coefficient
Wiper current
Recommended load impedance
Insulation resistance
Dielectric strength
500 V
RMS
, 50 Hz,
1 min
750 V
RMS
, 50 Hz,
1 min
0.5 W
0.8 W
POTH12
330° ± 3°
±1%
± 0.5 %
4.7 k
POTH19
340° ± 3°
±1%
± 0.5 %, ± 0.25 %
4.7 k or 10 k
POTH22
340° ± 3°
± 0.5 %
± 0.25 %
4.7 k or 10 k
± 10 %, ± 5 % optional
0.1 %
1W
-300 ± 300 ppm/°C
< 1 mA
100 R
n
for a linearity = 1 %
1000 R
n
for a linearity
0.05 %
10 G at 500 V
DC
750 V
RMS
, 50 Hz,
1 min
750 V
RMS
, 50 Hz,
1 min
750 V
RMS
, 50 Hz,
1 min
1W
1.25 W
POTH27
345° ± 3°
± 0.5 %
4.7 k or 10 k
POHR27
345° ± 3°
± 0.5 %
4.7 k or 10 k
± 0.25 %, ± 0.1 % ± 0.25 %, ± 0.1 %
MECHANICAL SPECIFICATIONS
PARAMETER
Size
Running and starting torque (c N cm)
Moment of inertia (g cm
2
)
Weight (g)
Protection class
first stage
additional stage
first stage
additional stage
first stage
additional stage
POTH12
05
6
-
0.2
-
6
-
POTH19
08
8
7
1
0.5
17
7
POTH22
09
10
9
0.8
0.4
18
8
IP 50
POTH27
11
12
10
1
0.4
23
22
POHR27
11
12
10
0.4
0.2
12
5
PERFORMANCE
PARAMETER
Operating temperature range
Life
Rotation speed (max.)
Note
• Nothing stated herein shall be construed as a guarantee of quality or durability.
-55 °C to +125 °C
25M cycles, exception: H12 = 10M cycles
600 rpm
Revision: 09-Jun-16
Document Number: 32520
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
POTH12, POTH19, POTH22, POTH27, POHR27
www.vishay.com
Vishay MCB
GANG
1
2
3
4
5
6
(max. number of
stages: see
“Dimensions”)
VALUE
472 = 4K7
103 = 10K
LINEARITY
A=1%
B = 0.5 %
C = 0.25 %
D = 0.1 %
(see “Electrical
Specifications”)
ANGLE
330
(POTH12)
340
(POTH19 and
POTH22)
345
(POTH27 and
POHR27)
PACKAGING
B = box
SAP PART NUMBERING GUIDELINES
MODEL
POTH
SIZE (mm)
12
19
22
27
27
POHR
DIMENSIONS
in millimeters
POTH12
1.2
+ 0.2
0
1.2 ± 0.1
Middle tap
1 ± 0.1
Approximate
electrical zero
1.7 x 1.7
Ø
5
2
Ø 11.45 max.
Ø 9.525
- 0.013
Ø 12.7
- 0
0.08
0.8 ± 0.2
0
1 ± 0.4
Ø 12.7 max.
12.5 ± 0.5
15 max.
3 ± 0.2
10.3 min.
6.4 min.
0.4
- 0.2
0
c
4
3
b
1
POTH19
m
Ø 3.175
- 0.013
a
0
70° max.
R1
7
ax
Wires Ø 0.9 length 300
Ø 19.05 max.
Ø 3.175
- 0
0.013
Ø
Ø 17.57 max.
.
Approximate electrical zero
Slot
width 0.8 ± 0.2 depth 1 ± 0.4
L±1
1.6 ± 0.1
1.6 ± 0.1
1.6 ± 0.1
12.5 ± 0.5
Number of cups
L
1
19
2
32.4
3
45.8
4
59.2
Revision: 09-Jun-16
Document Number: 32520
2
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
Ø 19.05
- 0
0.08
12.7
- 0
0.013
POTH12, POTH19, POTH22, POTH27, POHR27
www.vishay.com
Vishay MCB
DIMENSIONS
in millimeters
POTH22
R
17
3.1 min.
0.4
- 0
0.3
Ø 3.175
0 0.013
-
.5
20.5 max.
m
ax
.
Ø 19.05
- 0
0.013
Ø 19.25 max.
Ø 22.1 max.
Approximate electrical zero
Slot
width 0.8 ± 0.2 depth 1 ± 0.4
L±1
1.6 ± 0.1
1.6 ± 0.1
1.6 ± 0.1
12.5 ± 0.5
Number of cups
L
POTH27
1
16
2
27
3
38
4
49
5.1 min.
0.4 max.
Ø 3.175
- 0
0.013
25°
.
ax
25°
Ø 24.9 max.
1.6 ± 0.1
1.6 ± 0.1
1.6 ± 0.1
16 ± 0.3
12.5 ± 0.5
L±1
Slot
width 0.8 ± 0.2 depth 1 ± 0.4
Approximate electrical zero
Number of cups
L
1
16
2
27
Ø 27.05 max.
Ø 25.4
- 0
0.013
Ø 27.05
- 0
0.1
3
38
4
49
Revision: 09-Jun-16
Document Number: 32520
3
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
Ø 22 ± 0.1
R
.5
16
m
POTH12, POTH19, POTH22, POTH27, POHR27
www.vishay.com
Vishay MCB
DIMENSIONS
in millimeters
POHR27
12.5 ± 0.5
1.6 ± 0.1
1.6 ± 0.1
1.6 ± 0.1
Ø 3.175
- 0
0.013
L ± 0.5
12.5
27°
27°
R
17
.5
Number of cups
L
Ø 27.05
- 0
0.1
0
Ø 25.4
- 0.013
Ø 24.9 max.
1
17
2
22
3
27
Ø 27.2
4
32
5
37
6
42
ELECTRICAL DIAGRAM
POWER RATING CHART
W
A
C
1.25
POTH27
Yellow
Green
1.0
0.8
0.5
POTH22, POHR27
POTH19
POTH12
Red
B
(°C)
Clockwise direction viewed from control shaft side
0
70
125
OPTIONS
(on request)
• Other total resistance
• Other tolerances on R
n
(see “Electrical Specifications” table or other)
• Other linearities (see “Electrical Specifications” table or other)
• Other theoretical and useful electrical travel
• Connectors (center tap)
• Wire outputs (except H12)
• Through shaft (except H12)
• Other mechanical interfaces (shaft, flange, housing)
• One example of other dimensions:
Revision: 09-Jun-16
Document Number: 32520
4
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
POTH12, POTH19, POTH22, POTH27, POHR27
www.vishay.com
Vishay MCB
OPTION FOR THE DIMENSIONS
in millimeters (design on request)
POTH33
10 ± 0.1
2.3 ± 0.1
0.1
9.4
+ 0
Ø 3
-0
0.006
Wires output
2.7 ± 0.5
Revision: 09-Jun-16
Document Number: 32520
5
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
Ø 30 ± 0.1
Ø 33
- 0
0.05
