3386P-1-254 is a 3/8" square single-turn cermet trimming potentiometer designed for precision resistance adjustment in industrial applications. It features a 250 kO resistance value with ±10% tolerance, a power rating of 0.5 watt at 85°C, and an operating temperature range of -55°C to +125°C. The top adjust design (P style) offers a mechanical angle of 310° nominal and an adjustment angle of 280° nominal, with infinite resolution for fine-tuning. Additional characteristics include a temperature coefficient of ±100 ppm/°C, insulation resistance of 1,000 megohms minimum at 500 VDC, and UL 94V-0 flammability rating. This sealed potentiometer is ideal for calibration, tuning, and trimming applications in electronic circuits where reliable and repeatable adjustments are required.