siemens 2N2219A NPN silicon transistor (gold leads)

The 2N2219A is a robust NPN silicon transistor optimized for high-speed switching and versatile amplification tasks. Encased in a metal TO-39 package, it ensures superior heat dissipation compared to plastic housings. It supports collector-emitter voltages up to 40V, collector currents up to 800mA, and power dissipation ranging from 0.8W at ambient temperature to 3W at the case temperature. With a transition frequency of 300 MHz and a DC current gain between 30 and 100, it delivers reliable performance in demanding electronic circuits.