OF50 Ölgefülltes Potentiometer

Wirewound (Bushingmount) with excellent lifetime and high durability

About the OF50 Oil-filled Potentiometer

The OF50 is a general purpose type potentiometer with a stopper and is suitable for high-voltage use.

Features Oil-Filled Potentiometer OF50

  • Dimensions (mm) DxL: 62×50
  • Shaft Dia. (mm): 5
  • Independent linearity (±%): 1.0 to 0.5
  • Mechanical travel (+10° 0°): 300°±5°
  • Electrical travel (±5°): 280°±5°

Special specifications available

Extra taps (available up to 1 tap), multi-ganged (available up to 2 gangs), special electrical travel, shaft dia. (ø 6.35mm) · bushing with inch dimensions, special machining on the shaft, without stopper (electrical travel remains 280º ±5º, shaft with front and rear extension (rear shaft with 6mm dia. and 25mm length).


Standard Resistance range
100O to 20kO
Max. practical resistance value
Total resistance tolerance
Standard Class ±10% (K), Precision Class ±5% (J)
Independent linearity tolerance
Standard Class ±1.0%, Precision Class ±0.5%
Power rating
Within 100O E.N.R.
Electrical travel
280º ±5º
Mechanical travel
300º ±5º
Insulation resistance
Over 100MO at 1,000 V.D.C.
Dielectric strength
1 minute at 1,000 V.A.C.
Starting torque
Within 30mN·m (300gf·cm)
Stopper Strength
Approx. 0.9N·m (9kgf·cm)
Resist. temp. coefficient of wire
Approx. 300g