Gowanda’s SMRF1210S-391KLF is a high-quality molded shielded inductor designed for reliable performance in electronic 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 direct current resistance (DCR) of 0.83 Ω and a current rating of 0.441 A DC. It operates effectively within a frequency range, with a self-resonant frequency (SRF) of 42 MHz and a test frequency of 7.9 MHz, ensuring a minimum Q factor of 40. The inductor maintains a tolerance of ±10% and features RoHS-compliant Sn100 termination. Constructed with a ferrite core, it is designed to operate in temperatures ranging from -55°C to +125°C, with a moisture sensitivity level (MSL) of 1. Packaged in tape and reel (T&R) format, it is also fungal inert, making it a robust choice for various electronic applications.