Bourns 3549 Precision Potentiometer w/ Dual Ball Bearing

Bourns 3549 10-Turn Precision Potentiometers now have a "dual ball bearing" option specifically designed for machine-to-machine applications. The "dual ball bearing" feature of the 3549 series potentiometers from Bourns, available only in the Hybritron® servo-mount version, is capable of 10 million shaft revolutions with up to 250 grams of side load. Features of the 3549 series include wirewound and Hybritron® elements, high rotational life, standard resistance range 100Ω to 100KΩ (wirewound) and 1KΩ to 100KΩ (Hybritron®), optional 0.1% linearity, and operating temperature range up to +125°C.


  • Wirewound and Hybritron® elements
  • High rotational life up to 10 million shaft revolutions
  • Optional 0.1% linearity
  • Optional A/R lug
  • RoHS compliant
  • Suitable for use under some side load conditions
  • Designed for HMI and MMI applications
  • Dual gang option
  • Servo mount option
  • Dual ball bearing option


  • Construction/off-road equipment
  • Farm/forestry equipment
  • Aircraft landing gear
  • Tracking position of solar cell panels
  • Production line equipment
  • Packaging automation
  • Patient diagnostic equipment
  • Patient laser and radiation treatment equipment
Publicado: 2014-05-13 | Actualizado: 2022-03-11