3386W-1-500LF is a 3/8" square cermet trimming potentiometer designed for precision resistance adjustment in industrial applications. This side-adjust model features a 50 ohm resistance value with ±10% tolerance, infinite resolution, and a 280° nominal adjustment angle. The potentiometer offers a power rating of 0.5W at 85°C with a maximum operating voltage of 300V, and provides excellent insulation resistance of 1,000 megohms minimum at 500 VDC. With RoHS compliant 100% tin-plated terminations and sealed construction, this component is ideal for circuit calibration, tuning, and trimming applications where reliable and repeatable adjustments are required.