SMRF1812S-391J

Gowanda’s SMRF1812S-391J 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) applications. It features a COTS+ application grade with an inductance of 3.9 µH, a DCR of 0.282 Ω, and a current rating of 0.841 A DC. The inductor also boasts a saturation current of 0.638 A DC and a self-resonant frequency (SRF) of 40 MHz, tested at 7.9 MHz with a minimum Q factor of 40. With a tolerance of ±5%, it uses a ferrite core and is shielded for enhanced performance. The termination type is Pb with a Sn63Pb37 finish, and it operates within a temperature range of -55°C to +125°C. It has a moisture sensitivity level (MSL) of 1 and is packaged in tape and reel (T&R) format, ensuring it is fungal inert.