3386R-1-500LF is a 3/8" square single-turn cermet trimming potentiometer from Bourns' 3386 Trimpot series, designed for precision resistance adjustment in industrial applications. This top-adjust model features a 50 ohm resistance value with ±10% tolerance, a power rating of 0.5 watt at 85°C, and an operating temperature range of -55°C to +125°C. The potentiometer offers infinite resolution with a 280° nominal adjustment angle and 310° mechanical angle, along with sealed construction for environmental protection. With RoHS compliant 100% tin-plated terminations, this component is ideal for circuit calibration, tuning, and trimming applications where reliable and repeatable adjustments are required.