The Diotec Semiconductors part 2N3904 is a versatile bipolar NPN transistor ideal for a wide range of small-signal amplification and switching applications. With a maximum voltage rating of 40V and a maximum current rating of 200mA, this TO-92 packaged transistor offers excellent performance and reliability. Its compact form factor and low cost make it a popular choice in various electronic circuits, including audio amplifiers, signal converters, and general-purpose switching applications. Whether you are a hobbyist or a professional, the 2N3904 transistor ensures dependable operation and precise signal processing for your electronic projects.