SRF3216A-121Y is a common mode chip inductor from the Bourns SRF3216 Series, designed for noise suppression applications. This component features a ferrite core construction with enameled copper wire and Ag/Ni/Sn terminals. The inductor operates over a temperature range of -40°C to +125°C and supports reflow soldering at 230°C for up to 50 seconds maximum. With compact dimensions of 3.2 mm × 1.6 mm × 2.0 mm, it is suitable for space-constrained designs in personal computers, display panels, and other electronic equipment requiring effective EMI filtering.