Gowanda’s SMRF1812S-391MLF is a high-quality molded shielded inductor designed for reliable performance in electronic applications. Weighing just 0.15 grams and measuring 4.2 × 3 × 2.9 mm, this component is part of the SMRF1812S series and is suitable for surface mount technology (SMT). It is crafted for COTS+ application grade, offering an inductance of 3.9 µH with a direct current resistance (DCR) of 0.282 Ω. The inductor supports a current rating of 0.841 A DC and a saturation current of 0.638 A DC, with a self-resonant frequency (SRF) of 40 MHz and a test frequency of 7.9 MHz. It features a minimum Q factor of 40 and a tolerance of ±20%. The component is RoHS compliant with Sn100 termination finish and is constructed with a ferrite core, providing effective shielding. It operates within a temperature range of -55°C to +125°C, has a moisture sensitivity level (MSL) of 1, and is packaged in tape and reel (T&R) format. Additionally, it is fungal inert, ensuring durability and reliability in various environments.