Gowanda’s SMRF1210S-391GLF is a high-quality molded shielded inductor designed for demanding applications. Weighing just 0.05 grams, it features compact dimensions of 3 × 2.16 × 2.06 mm and is part of the SMRF1210S series. This surface-mount technology (SMT) component is suitable for COTS+ grade applications, offering an inductance of 3.9 µH with a low DCR of 0.83 Ω and a current rating of 0.441 A DC. It operates efficiently with a self-resonant frequency (SRF) of 42 MHz and a test frequency of 7.9 MHz, maintaining a minimum Q factor of 40. The inductor has a tight tolerance of ±2% and is RoHS compliant with Sn100 termination finish. Built with a ferrite core, it is designed to withstand operating temperatures from -55°C to +125°C and has a moisture sensitivity level (MSL) of 1. Packaged in tape and reel (T&R) format, it is also fungal inert, ensuring reliability in various environments.