2N2222 NPN transistor – perfect for switching, amplification, and interfacing with Arduino and embedded circuits Read more
The 2N2222 is a popular NPN bipolar junction transistor (BJT) used for switching and amplifying signals in electronics projects. It can handle moderate current and voltage, making it ideal for controlling motors, relays, LEDs, and other components directly from microcontrollers like Arduino, ESP32, or Raspberry Pi.
It’s a must-have for anyone working on IoT, robotics, sensor interfacing, or general-purpose circuit design.
Key Features:
Type: NPN BJT
Collector Current (max): 800mA
Collector-Emitter Voltage: 40V
Power Dissipation: 500mW
High switching speed and gain
TO-92 package for easy breadboard use
Ideal for use as a switch or amplifier
Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers
Applications: Relay driver, motor control, signal amplification, DIY electronics
2N2222 Transistor Pinout
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