The 3386F-1-504LF is a single-turn cermet trimming potentiometer designed for industrial applications requiring precision resistance adjustment. This 3/8" square potentiometer features a 500 kO nominal resistance value with ±10% standard tolerance and infinite resolution, making it suitable for fine-tuning circuits. The device operates over a temperature range of -55°C to +125°C with a temperature coefficient of ±100 ppm/°C, and provides an adjustment angle of 280° nominal with a maximum torque of 5.0 oz-in. The potentiometer is sealed, RoHS compliant with 100% tin-plated terminations (LF suffix), and rated for 0.5 watts at 85°C, making it ideal for instrumentation, signal conditioning, and calibration applications where reliable and repeatable resistance adjustment is essential.