The 3386H-1-103LF is a 3/8" square single-turn cermet trimming potentiometer manufactured by Bourns, designed for industrial applications requiring sealed, reliable adjustment. This model features a 10 kO resistance value with ±10% standard tolerance, side-adjust configuration (H-style), and 100% tin-plated RoHS-compliant terminations. The potentiometer offers excellent electrical performance with ±0.05% voltage adjustability, ±0.15% resistance adjustability, and infinite resolution, along with robust environmental specifications including a -55°C to +125°C operating temperature range and 0.5 W power rating at 85°C. It is commonly used in precision instrumentation, circuit calibration, and industrial control systems where compact size, sealed construction, and reliable performance are essential.