The MMBT5551-AQ is a versatile NPN small signal transistor manufactured by DIOTEC. Supreme Components International is an authorized distributor of DIOTEC components, ensuring you receive genuine parts. This transistor, packaged in a space-saving SOT-23, is designed for high-voltage applications requiring reliable amplification and switching. Its key features include a high breakdown voltage and low saturation voltage. The MMBT5551-AQ is suitable for a wide range of applications, including signal amplification, switching circuits, and driver stages. Choose Supreme Components International for guaranteed quality and reliable supply of your electronic components.