T-16 Carbon Potentiometers Amphenol Piher T-16 Carbon Potentiometers feature a carbon resistive element and high mechanical endurance. The T-16 potentiometers come in both audio and linear taper variants. The series operates from -25°C to 70°C temperature range and is panel mount or PCB mount. Amphenol Piher T-16 Carbon Potentiometers are available in 400, 600, and 200 units in box packaging.