PTA Low Profile Slide Potentiometer Bourns PTA Low Profile Slide Potentiometer features a carbon element with metal housing, 15mm to 60mm travel, single- and dual-gang, and optional center detent and dust cover. PTA Potentiometers offer a 1kΩ to 1MΩ resistance range, 200V maximum voltage rating, and 15mW to 250mW power rating. Ideal applications for the Bourns PTA Series Low Profile Slide Potentiometer include car radios, TV sets, amplifiers, mixers, drum machines, synthesizers, appliances, and monitors.