Supreme Components International, an authorised distributor, offers the Fastron 1812AF-3R9K-04, a 3.9uH fixed inductor known for its robust design and reliable performance. This inductor is suitable for various applications, including power supplies, filtering circuits, and signal processing. Its compact 1812 package size allows for efficient use of board space. The 1812AF-3R9K-04 features a high self-resonant frequency and low DC resistance, ensuring optimal performance in demanding environments. Trust Supreme Components International for genuine Fastron components and expert support. Benefit from our extensive inventory and fast shipping.