STW22ES Series

Precision wire-wound potentiometer. 320º electrical angle and mechanical rotation (with end stop). 22mm housing diameter. 1/4" shaft diameter. 500,000 cycle life. High resolution. Suitable as panel controller or feedback sensor in industrial control applications. Customs welcome, please provide details.
STW22ES R1K ±3% L0.5% (231150)


Attribute Value
Series / Type STW22ES / Single Turn Wire Wound  Potentiometer
Electrical Angle 320º
Mechanical Angle 320º (with end stop)
Bearing Sleeve
Resistance Values 50, 100, 200, 500, 1K, 2K, 5K, 10K, 20K ±3% (Ohms)
Linearity Tolerance ±0.5% (±0.25% option)
Resolution Varies with resistance value, see pdf.
Operating Temperature -55ºC to +105ºC
Power 0.5 W
Life Expectancy >500,000 Turns
Body Diameter 22 mm
Shaft Diameter 1/4"
Shaft Length 22 mm
Mounting Threaded bushing (3/8-32)
IP Rating IP40

Main Features

* Precision wire-wound potentiometer

* 22mm housing diameter

* Precision linearity of 0.5%

* 320º mechanical rotation (with end stop))


* Non standard (fractional) measuring angle

* Improved linearity: 0.25%

* Non standard resistance values

* Multiple ganged (redundancy)

* Custom shaft modifications

* Customer specified pre-wiring / connectorization


* Industries: Energy, Industrial, Electronics, Infrastructure

* Valve Control

* Industrial Thermostats

* Measuring instruments

* Damper actuator

* Welding machines

* Temperature & pressure control equipment