The 2N2222A is a widely used general-purpose NPN bipolar junction transistor (BJT) in a TO-92 package. With a maximum collector current of 800 mA and a collector-emitter voltage of 75 V, it's suitable for switching and amplification in a broad range of electronic circuits.

Key Features

• NPN Bipolar Transistor – General-purpose switching and amplification
• TO-92 Package – Standard through-hole footprint
• 800 mA Collector Current – Suitable for driving relays, LEDs, and small motors
• 75 V Collector-Emitter Voltage – Handles moderate voltage applications
• High Current Gain – hFE of 100–300

Specifications

• Type – NPN BJT
• Package – TO-92
• Collector-Emitter Voltage (Vce) – 75 V
• Collector Current (Ic) – 800 mA
• Current Gain (hFE) – 100–300
• Power Dissipation – 1.8 W at 25 °C

Ideal For

• Switching circuits (relays, LEDs, motors)
• Signal amplification
• Arduino and microcontroller interfacing
• General-purpose electronic projects