The 2N4401 is a versatile NPN bipolar junction transistor (BJT) from DIPTRONICS, designed for general-purpose amplification and switching applications. Supreme Components International is an authorised distributor of DIPTRONICS components, ensuring you receive genuine and high-quality products. This transistor is commonly used in a wide range of electronic circuits, including signal amplifiers, switching circuits, and driver stages. Its robust design and reliable performance make it a popular choice for both hobbyists and professional engineers. The 2N4401 offers excellent gain and low saturation voltage, making it suitable for various applications. Trust Supreme Components International for all your electronic component needs.