3386F-1-204LF is a 3/8" square cermet trimming potentiometer designed for precision adjustment applications. This single-turn potentiometer features a 200 kO resistance value with ±10% tolerance, top adjust configuration (F style), and operates over a temperature range of -55°C to +125°C. Key electrical characteristics include a power rating of 0.5 watt at 85°C, 280° nominal adjustment angle, and infinite resolution with insulation resistance of 1,000 megohms minimum at 500 VDC. The sealed industrial design offers excellent environmental performance with vibration resistance up to 30 G and shock resistance up to 100 G. With RoHS compliant 100% tin-plated terminations (LF designation), this trimmer is ideal for industrial control, instrumentation, and calibration applications requiring reliable and repeatable adjustments.