The BOURNS SRR4028-120Y is a power shielded wirewound inductor with a 12uH nominal inductance and 30% tolerance. It functions effectively at a frequency of 100kHz with an impressive Q-Factor of 11.26, resulting in superior performance and efficiency. The inductor is constructed with high-quality ferrite material and has a maximum current rating of 1.12A. It also features a low DC resistance of 125mOhm, ensuring minimal power loss. The SRR4028-120Y is available in tape and reel packaging for easy handling and is suitable for a wide range of applications including power supply circuits, DC-DC converters, and noise filtering.