3386P-1-500LF is a 3/8" square single-turn cermet trimming potentiometer designed for precision circuit adjustment applications. This top-adjust style potentiometer features a 50 ohm resistance value with ±10% tolerance, 0.5 watt power rating at 85°C, and an adjustment angle of 280° nominal. The sealed industrial-grade construction provides excellent environmental protection with an operating temperature range of -55°C to +125°C and a temperature coefficient of ±100 ppm/°C. With RoHS compliant 100% tin-plated terminations, this trimmer is ideal for industrial, instrumentation, and general-purpose trimming applications requiring reliable and repeatable adjustments.