The 3312J-1-501E is a 2 mm SMD Trimpot® trimming potentiometer designed for surface-mount manufacturing processes with a sealed cermet element and single-turn adjustment. This miniature component features a 500 ohm resistance value with ±20% standard tolerance, an adjustment angle of 255° nominal, and a mechanical stop at 285° nominal. It operates over a temperature range of -55°C to +125°C with a power rating of 0.1 watt at 70°C, and exhibits excellent environmental performance including vibration resistance of 20 G TRS and shock resistance of 100 G TRS. The device is ideal for precision trimming applications in compact electronic assemblies, offering essentially infinite resolution and RoHS compliance for modern manufacturing standards.