STWS45 Series

355º measuring angle (continuous rotation, without end stop). High precision wire-wound potentiometer. 1,000,000 turns life. 41mm housing diameter. 6mm shaft diameter. 31.5mm shaft length (FMS). Servo mount (ball bearings). IP40. Customs welcome, please provide details.
STWS45 R5K ±3% L0.1%


Attribute Value
Series / Type STWS45 / Single Turn Wire-Wound Potentiometer
Electrical Angle 355º
Mechanical Angle 360º (continuous)
Mounting / Bearing Servo Mount / Ball Bearings
Resistance Value (ohms)
50, 100, 200, 500, 1K, 2K, 5K, 10K, 20K, 50K  - ±3% (±1% option)
Linearity Tolerance ±0.5% (±0.1% option)
Resolution Varies with resistance value, see pdf.
Operating Temperature -55ºC to +105ºC
Power 1.0 W
Life Expectancy >1,000,000 Turns
Body Diameter 41 mm
Shaft Diameter 6 mm
Shaft Length 31.5 mm
IP Rating IP40

Main Features

* High precision wire-wound potentiometer

* 41mm diameter metal housing

* Servo mount with precision ball bearings

* Precision linearity of 0.5% (±0.1% option)

* 1,000,000 turns life


* Non standard (fractional) measuring stroke lengths

* Multiple gangs (redundancy)

* Improved linearity

* Non standard resistance values

* Customer specified shaft diameter and length dimensions

* Special shaft ends (flatted, slotted, pin hole...etc.)

* Customer specified pre-wiring / connectorization


* Industries: Energy, Industrial, Electronics, Infrastructure, Aerospace

* Weather instruments

* Automation

* Robotics

* Electronic governors

* Servo systems

* Angle sensing