POTH12, POTH19, POTH22, POTH27, POHR27, POTH33

www.vishay.com

Vishay MCB

Revision: 25-Aug-2022

1

Document Number: 32520

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

Single-Turn Continuous Rotation Analog Displacement Sensors

LINKS TO ADDITIONAL RESOURCES

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

Note

(1) POTH27, POTH22 on request

Note

(1) POTH27, POTH22 on request

QUICK REFERENCE DATA

Sensor type

ROTATIONAL, conductive plastic

Output type

Output by turrets

Market appliance

Industrial, avionics

Dimensions

1/2" (12.7 mm) to 1 5/16" (33.3 mm)

333

DDD3 D

3D Models

ELECTRICAL SPECIFICATIONS

PARAMETER

POTH12

POTH19

POTH22

POTH27

POHR27

POTH33

Theoretical and useful

electrical travel

330° ± 3°

340° ± 3°

340° ± 3°

345° ± 3° (1)

345° ± 3°

350° ± 3°

Theoretical electrical

travel (on request)

See table “Electrical Travel”

Useful electrical travel

(on request)

See table “Electrical Travel”

Standard linearity (

≤)

± 1 %

± 1 %

± 0.5 %

± 0.5 %

± 0.5 %

± 1 %

Optional linearity (

≤)

± 0.5 %

± 0.5 %, ± 0.4 %,

± 0.25 %, ± 0.1 %

± 0.25 %

± 1 %, ± 0.75 %,

± 0.25 %, ±0.2 %,

± 0.1 %

± 1 %,

± 0.25 %,

± 0.1 %

± 0.5 %,

± 0.25 %,

± 0.1 %

Total resistance range (E3)

4.7 k

Ω

4.7 k

Ω or 10 kΩ

4.7 k

Ω or 10 kΩ

4.7 k

Ω or 10 kΩ

4.7 k

Ω or 10 kΩ 4.7 kΩ or 10 kΩ

Total resistance

(on request)

-2 k

Ω

2.2 k

Ω

500

Ω, 2 kΩ, 5 kΩ,

6.4 k

Ω, 22 kΩ (1)

1 k

Ω, 2.2 kΩ,

5 k

Ω

1 k

Ω, 2 kΩ

Tolerance on Rn

± 10 %, ± 5 % optional, ± 20 % optional

Output smoothness

< 0.1 % (0.025 % on request)

Power rating at 70 °C

0.5 W

0.8 W

1 W

1 W

1.25 W

1.5 W

Temperature coefficient

-300 ± 300 ppm/°C

Wiper current

< 1 mA

Recommended load

impedance

≥ 100 Rn for a linearity = 1 %,

≥ 1000 Rn for a linearity ≤ 0.05 %

Insulation resistance

≥ 10 GΩ at 500 VDC

Dielectric strength

500 VRMS,

50 Hz, 1 min

750 VRMS,

50 Hz, 1 min

750 VRMS,

50 Hz, 1 min

750 VRMS,

50 Hz, 1 min

750 VRMS,

50 Hz, 1 min

1000 VRMS,

50 Hz, 1 min

ELECTRICAL TRAVEL (on request)

PARAMETER POTH12

POTH19

POTH22

POTH27

POHR27

POTH33

Theoretical

-

73° 340°

337°

35’

-

60° 90° 90° 100° 100° 120°

140°

10’

150° 180° 180°

210°

(1)

337°

13’

350°

79°

29’

100° 120°

141°

10’

Useful

-

70° 190°

337°

35’

-

60° 70° 87° 85° 90° 118° 120° 130° 120° 140°

140°

(1)

330° 348°

65°

30’

90° 100°

120°