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ST-15
15-mm carbon endless rotation through-hole potentiometer
360º rotary control (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
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
APPLICATION EXAMPLES



