The FMBT3904-Q1-H is a high-quality NPN bipolar junction transistor (BJT) manufactured by Formosa Microsemi. Supreme Components International is an authorized distributor of Formosa Microsemi components. This transistor is designed for general-purpose amplification and switching applications. It comes in a small SOT-23 surface-mount package, making it suitable for high-density circuit board designs. The FMBT3904-Q1-H is AEC-Q101 qualified, indicating its suitability for automotive applications where reliability and robustness are critical. Its key features include low saturation voltage and high current gain. As an authorised distributor, we ensure authenticity and traceability.