PS Trimmer Potentiometers Amphenol Piher PS Trimmer Potentiometers are specifically designed for lead-free reflow soldering processes. These devices are available in 6mm, 10mm, and 15mm variants. The trimmer potentiometers offer a carbon resistive element, full traceability, and three wiper positions for operation: initial, 50%, and clockwise. Options include shafts, knobs, and self-extinguishable plastic material. The PS series exhibits IP54 protection with level 1 moisture sensitivity. Amphenol Piher PS Trimmer Potentiometers provide 1000 hours of electrical life at 50°C and 1000 cycles of mechanical life in the product lifecycle.