2N2222A NPN Transistor – General Purpose Switching & Amplifier Transistor (TO-92)
The 2N2222A is a widely used NPN bipolar junction transistor (BJT) designed for low-power switching and amplification applications. It can handle moderate current and voltage levels, making it perfect for Arduino, robotics, analog circuits, and DIY electronics. Packaged in a standard TO-92 case, it's easy to use in breadboards and PCBs.
 
Key Features:
NPN Silicon BJT
Suitable for signal amplification and general-purpose switching tasks.
Collector Current up to 800mA
Can drive small loads like LEDs, relays, and motors in embedded circuits.
Fast Switching Speed
Ideal for PWM, digital logic interfacing, and switching applications.
TO-92 Package
Compact through-hole design for easy prototyping and soldering.
Wide Use in DIY and Educational Projects
Compatible with Arduino, Raspberry Pi, and other platforms.
 
Applications:
Low-power switching (LEDs, relays, motors)
Signal amplification in analog circuits
Logic level shifting
Audio preamps and small-signal amplifiers
DIY and educational electronics projects
Hobby robotics and automation
 
Package Includes:
1 × 2N2222A NPN Transistor (TO-92 package)
 
Specifications:
Type: NPN BJT
Maximum Collector Current (Ic): 800 mA
Maximum Collector-Emitter Voltage (Vce): 40 V
Maximum Collector-Base Voltage (Vcb): 75 V
Maximum Emitter-Base Voltage (Veb): 6 V
DC Current Gain (hFE): 100 – 300
Transition Frequency (ft): 250 MHz
Package: TO-92
Mounting Type: Through-Hole
 
Dimensions:
Length: 5 mm (body)
Width:4 mm
Lead Length: 14 mm
 
Weight: 0.2 grams
 
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Shipping Weight = 50 grams