3386X-1-504LF is a 500 kO single-turn cermet trimming potentiometer from the Bourns 3386 Trimpot series, designed for precision resistance adjustment in industrial applications. This side-adjust model features a resistance tolerance of ±10%, power rating of 0.5 watt at 85°C, and operates over a temperature range of -55°C to +125°C with a temperature coefficient of ±100 ppm/°C. The potentiometer offers a mechanical angle of 310° nominal, adjustment angle of 280° nominal, and infinite resolution with solderable pins featuring 100% tin-plated (RoHS compliant) terminations. With a compact 3/8" square form factor, sealed construction, and UL 94V-0 flammability rating, this trimmer is ideal for calibration, tuning, and adjustment applications in electronic circuits requiring reliable and repeatable resistance settings.