2n3904 pinout

The 2N3904 is a widely used NPN bipolar junction transistor (BJT) that is commonly employed in electronic circuits as a general-purpose amplifier or switch. With a maximum collector current of 200 mA and a maximum collector-emitter voltage of 40V, the 2N3904 is suitable for a variety of low to medium power applications. It features three terminals - the base, collector, and emitter - and is available in a small plastic package, making it easy to integrate into circuit designs. Due to its reliability, high gain, and low noise characteristics, the 2N3904 has become a popular choice among hobbyists, students, and professionals alike. Whether it's used in audio amplifiers, signal processing circuits, or simple switching applications, the 2N3904 is a versatile and cost-effective transistor that continues to be a go-to component for electronic projects.