2N2222A Bipolar Junction NPN Transistor is commonly used in general-purpose low-power amplifying/switching applications. Bipolar Junction NPN Transistor is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds. It was originally made in the TO-18 metal can as shown in the picture. We have many other NPN transistor like BD139BC547BC5482SC945 etc.
The 2N2222 is consider a very common transistor and is utlize as an exemplar of an NPN transistor. It is frequently used as a small-signal transistor, and it remains a small general-purpose transistor of enduring popularity.


  1. Use in a wide variety of electronic projects, the large 600mA collector current makes this transistor ideal to use it in your electronic projects to control relays, high power LEDs, other high power transistors and ICs at the same time.
  2. 2N2222A can also be use to amplify audio signals, for example, it can be use in audio preamplifier stages and also in audio amplifier stages. It can also be use as a small audio amplifier or to drive a small speaker in electronic projects.


  1.  Transistor Polarity: NPN
  2.  Collector-Emitter Voltage V(BR)CEO: 30V
  3.  Power Dissipation Pd: 500mW
  4.  DC Collector Current: 800mA
  5.  DC Current Gain hFE: 100
  6.  Transistor Case Style: TO-18
  7.  No. of Pins: 3
  8.  Collector-Emitter Voltage Vces: 400mV
  9.  Continuous Collector Current Ic Max: 800mA
  10.  Current Ic Continuous a Max: 800mA
  11.  Current Ic hFE: 150mA
  12.  Full Power Rating Temperature: 25°C
  13.  Gain Bandwidth ft Min: 250MHz
  14.  Gain Bandwidth ft Typ: 250MHz
  15.  Current Ic @ Vce Sat: 150mA
  16.  Hfe Min: 100
  17.  No. of Transistors: 1
  18.  Pin Configuration: a
  19.  Power Dissipation Pd: 500mW
  20.  Power Dissipation Ptot Max: 500mW
  21.  Termination Type: Through Hole
  22.  Voltage Vcbo: 60V


  1. Audio Preamplifiers
  2. Audio Amplifier Stages
  3. Switching many loads at the same time (Thanks to its 600mA output in a small TO-92 package)
  4. Darlington Pairs
  5. RF Circuits
  6. Sensor Circuits

Package includes:

  • 1 x 2N2222A Bipolar Junction NPN Transistor

 Data Sheet: 2N2222A Bipolar Junction NPN Transistor

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Additional information

Weight 0.1 kg


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