3386R-1-101LF is a 3/8" square cermet trimming potentiometer designed for precision resistance adjustment in industrial applications. This single-turn device features a 100 ohm resistance value with ±10% tolerance, a 280° nominal adjustment angle, and infinite resolution for fine-tuning. It offers a power rating of 0.5 watt at 85°C, operates over a temperature range of -55°C to +125°C, and provides excellent environmental resistance with 1,000 megohms minimum insulation resistance at 500 VDC. The sealed construction meets MIL-STD-202 humidity testing standards, and the RoHS compliant version features 100% tin-plated terminations. Common applications include calibration circuits, voltage dividers, and precision adjustment in instrumentation where reliable, repeatable settings are required.