2N2222A versatile silicon NPN transistor

The 2N2222A is a versatile silicon NPN transistor optimized for high-speed switching and general amplification tasks. It handles collector currents up to 600–800 mA and withstands voltages up to 40 V between collector and emitter, with a collector-base voltage rating of 75 V. This transistor supports power dissipation between 500 and 625 mW at room temperature and offers transition frequencies from 250 to 300 MHz, making it suitable for a wide range of electronic applications requiring reliable performance. Available in TO-18 and TO-92 packages, it adapts to various circuit designs.