3386H-1-253LF is a 3/8" square cermet trimming potentiometer designed for precision adjustment applications. This side-adjust model features a 25 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 potentiometer offers infinite resolution with a 280° nominal adjustment angle and 310° mechanical angle, along with excellent environmental performance including 100 G shock resistance and 30 G vibration tolerance. The LF suffix indicates RoHS compliant 100% tin-plated terminations, making it suitable for lead-free assembly processes. Common applications include industrial equipment calibration, circuit trimming, and precision voltage divider configurations where reliable, sealed cermet construction is required.