The 3306F-1-501 is a 6 mm round single-turn cermet trimming potentiometer manufactured by Bourns, designed for industrial and open-frame applications requiring precision resistance adjustment. It features a 500 ohm resistance value with ±25% standard tolerance, an adjustment angle of 215° nominal, and a mechanical angle of 260° ±20°. The device operates over a temperature range of -25°C to +100°C with a temperature coefficient of ±250 ppm/°C, and is rated for 0.2 watt at 70°C with a maximum operating torque of 4.5 oz-in. The 3306F-1-501 is RoHS compliant, features dust and splash-resistant covers, and includes cross-slot adjustment options with both horizontal and vertical mounting styles, making it suitable for trimmer applications in industrial electronics, signal processing circuits, and equipment calibration.