CTS Electronic Components TR Trimmer Potentiometers are 6mm, 9mm, or 14mm carbon potentiometers with plastic housing. TR potentiometers feature tinned brass or tinned steel terminals and offer flexible gull-wing, through-hole, or “J” bend terminal configurations. CTS 06TR, 09TR, and 14TR Trimmer Potentiometers are IP54-rated and ideal for dimmers, volume/lighting regulation, timers, and relays in industrial, electronics, and automotive applications.