The Fastron 1812AF-3R9K-01 is a 3.9uH fixed inductor designed for optimal performance in a wide range of electronic circuits. Manufactured by Fastron, this inductor boasts exceptional reliability and precision. Supreme Components International is an authorised distributor of Fastron, ensuring you receive only genuine, high-quality components. This inductor is perfect for applications requiring stable inductance and minimal signal distortion. Its compact size and robust construction make it easy to integrate into your designs. Trust Supreme Components International for all your electronic component needs.