The 2N2219A is a popular NPN bipolar junction transistor (BJT) in a TO-39 metal can package. It is commonly used as a general-purpose amplifier in electronic circuits due to its high gain and low noise characteristics. The key features of the 2N2219A include a maximum collector current of 800mA, a maximum collector-emitter voltage of 40V, and a power dissipation of 800mW.
Its transition frequency is typically around 250MHz, making it suitable for high-frequency applications such as RF amplification. The transistor has three terminals: the emitter, base, and collector, which allow for simple and versatile interfacing with other components in a circuit.
The 2N2219A is a reliable and cost-effective option for a wide range of applications, including audio amplification, oscillators, and switch mode power supplies. It is widely available from various manufacturers and distributors, making it easy to source for projects. Overall, the 2N2219A is a versatile and dependable discrete semiconductor component that is commonly used in electronic circuits for amplification and signal processing purposes
