3386H-1-503LF is a 3/8" square cermet trimming potentiometer designed for precision circuit adjustment applications. This side-adjust model features a 50 kO resistance value with ±10% tolerance, a power rating of 0.5 watt at 85°C, and an adjustment angle of 280° nominal. The potentiometer operates over a wide temperature range of -55°C to +125°C with a temperature coefficient of ±100 ppm/°C. It features 100% tin-plated (RoHS compliant) terminations, sealed construction, and meets UL 94V-0 flammability rating. Common applications include industrial equipment, instrumentation, and electronic circuits requiring reliable and repeatable resistance adjustments.