ST-15
360 Degree Rotary Sensor Potentiometer
360º rotary potentiometer (CW or CCW) with highly configurable mechanical and electrical specifications such as a wide variety of off-the-shelf mounting methods, custom ohmic (resistance) values, tight linearity performance, different rotor designs, shafts and knobs and built-in stop positions.
■ 360º mechanical rotation angle
■ Up to 340º electrical rotation angle
■ Up to 51 mechanical detents
■ Up to 200.000 life cycles
■ IP54 protection
■ Selection of shaft & knobs
■ Flame-retardant plastic materials
■ Custom electrical angles on request
■ SMD mount version: STS-15
KEY FEATURES
SPECIFICATIONS
| Taper | Linear |
|
Range of values* (Decad. 1.0 - 2.0 - 2.2 - 2.5 - 4.7 - 5.0) | 1KΩ ≤ Rn ≤ 100KΩ |
| Tolerance* | ±30% |
| Max. Voltage | 50 VDC |
| Nominal power 50°C (122°F) | 0.25 W |
| Residual resistance | ≤ 5% Rn |
| Equivalent noise resistance | ≤ 3% Rn |
| Operating temperature ** | -25°C to +70°C (-13°F to + 158°F) |
* Others available on request ** Up to 85°C depending on application
| Mechanical rotation angle | Endless (360º) |
| Electrical rotation angle* | 333° ±15º |
| Torque |
Standard: 0.5 to 2.5 Ncm Low: ≤ 1.5 Ncm |
| Life* |
Standard - 1.000 cycles Long - 10.000 cycles |
* Others available on request
| Test method (CEI 393-1) | ΔR(%) - Piher typical test results | |
|---|---|---|
| Electrical life | 1.000h at 50°C; 0.15W | ±5% |
| Mechanical life | 1000 cycles at 10 to 15 cpm | ±3 % (Rn < 1M ) |
| Temperature coefficient | –25°C; +70°C | ±300 ppm/°C (Rn < 100K) |
| Thermal cycling | 16h at 85°C and 2h at -25°C | ±2.5% |
| Damp heat | 500h at 40°C and 95% relative humidity (RH) | ±5% |
| Vibration | 2h each plane at 10Hz - 55Hz | ±2% |
| Storage | 6 month at 23°C ±2°C and 50% RH | ±2.5% |
Out of range values may not comply with these results. Standard test conditions: temperature:23°C ±2°C and 45% to 70% RH
POTENTIAL APPLICATIONS



