The 3329H-1-105LF is a 1/4" round single-turn cermet trimming potentiometer (Trimpot) manufactured by Bourns, designed for sealed industrial applications requiring precision resistance adjustment. This device features a 1 megohm resistance value with ±10% tolerance, an adjustment angle of 240° nominal, and infinite resolution for fine-tuning. It operates over a temperature range of -55°C to +150°C with a temperature coefficient of ±100 ppm/°C, and is rated for 0.5 watt power at 85°C. The potentiometer includes solderable pins with 100% tin-plated (RoHS compliant) termination, a mechanical angle of 260° nominal, and a maximum torque of 5.0 oz-in. Common applications include circuit calibration, signal conditioning, and equipment tuning in industrial control systems, test equipment, and consumer electronics where reliable, sealed adjustment is required.