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

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%