Professional multiturn trimming potentiometers. The cermet resistance element offers stability and high resolution. The trimmer is actuated by a screw with a slipping clutch at each end of travel. End stops are marked by an audible click. All units have a blue plastic case which withstands all recognised board washing solvents.
Features:

1. MEC CITEC 4290Y
2. vertical mounting
3. vertical adjustment
4. pin layout: triangle
5. range: 100E to 1M (E3 series)

Specifications:

1. power rating: 0.5W at 70°C
2. tolerance: ±10%
3. working voltage: 300Vdc max.
4. rotation:
   1. electrical: 22 turns nom.
   2. mechanical: 25 turns nom.