Piher pt 10 lh series miniature trimming potentiometer 20 015w piher pt 10lh01253a2020 this 10mm carbon potentiometer from piher features a carbon resistive element and polyester substrate in a dust proof enclosure with life up to 10 000 cycles pihers pt 10 lh series is rated at 015w at 50degc with an electrical rotation of 220 plusmn20deg piher pt 10lh01253a2020 25k 20 015w carbon potentiometer horizontal adjust