3386F-1-204 is a 3/8" square single-turn cermet trimming potentiometer designed for industrial applications requiring precise resistance adjustment. It features a 200 kO resistance value with ±10% tolerance, a power rating of 0.5 watt at 85°C, and operates over a temperature range of -55°C to +125°C. The top adjust design (F style) provides a mechanical angle of 310° nominal and an adjustment angle of 280° nominal with infinite resolution. Key environmental specifications include 1,000 hours load life at 0.5 watt @ 70°C, 200 cycles rotational life, and vibration resistance up to 30 G. This sealed potentiometer is ideal for circuit calibration, tuning, and trimming applications where reliable, repeatable adjustments are required.