3386H-1-254LF is a 3/8" square single-turn cermet trimming potentiometer designed for industrial applications requiring precise resistance adjustment. It features a 250 kO resistance value with ±10% tolerance, a mechanical angle of 310° nominal, and an adjustment angle of 280° nominal. The potentiometer offers a power rating of 0.5 watt at 85°C, operates over a temperature range of -55°C to +125°C, and includes RoHS compliant 100% tin-plated terminations. With sealed construction, infinite resolution, and a load life of 1,000 hours at 0.5 watt @ 70°C, this trimmer is well-suited for calibration, tuning, and adjustment applications in electronic circuits where reliability and precision are essential.