The PN3644 is a high-quality NPN Bipolar Junction Transistor (BJT) manufactured by CENTRAL SEMICONDUCTOR. As an authorized distributor, Supreme Components International guarantees the authenticity and performance of this component. This transistor is specifically designed for general-purpose amplifier applications. Its TO-92 package makes it easy to integrate into various circuit designs. The PN3644 offers reliable and consistent performance, making it a popular choice for both hobbyists and professional engineers. It is suitable for use in audio amplifiers, signal processing circuits, and other applications requiring a small signal NPN transistor. With its robust design and excellent electrical characteristics, the PN3644 provides a cost-effective solution for your amplification needs. Supreme Components International provides datasheets and technical support to assist with your design process.