pn2222a pinout

The PN2222A is a popular NPN bipolar junction transistor (BJT) designed for general purpose amplification and switching applications. With a maximum collector current of 600mA, a maximum collector-emitter voltage of 40V, and a maximum power dissipation of 500mW, the PN2222A is well-suited for a wide range of electronic projects and circuits. The pinout of the PN2222A consists of three leads: the emitter, base, and collector. The emitter is the lead connected to the N-type semiconductor, the base is the lead that controls the flow of current between the emitter and the collector, and the collector is the lead where the current exits the transistor. With its low cost, versatility, and availability in a variety of package types, including through-hole and surface mount options, the PN2222A is a popular choice for hobbyists, students, and professionals alike. Whether used for amplification in audio circuits, as a switch in electronic devices, or for small signal applications, the PN2222A provides reliable performance in a compact package.