P2N2222A 2222A transistor

2N2222A Transistor Datasheet, Pinout, Uses

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  • NPN Silicon Planar Switching Transistors.
  • Switching and Linear application DC and VHF Amplifier applications

he 2N2222A is a popular NPN bipolar junction transistor (BJT). The 2N2222A is Low power General-purpose transistor for switching and amplifier applications. silicon Planar Epitaxial NPN transistor available both in TO92 plastic package and in Jedec TO-18 metal case. They are designed for high speed switching application at max current collector current limit up to 800mA, and feature useful current gain over a wide range of collector current, low leakage currents and low saturation voltage.

PNP complement: 2N2907A

  • Type: NPN Transistor
  • Maximum Collector-Emitter Voltage (Vce): 40V
  • Maximum Collector-Base Voltage (Vcbo): 75V
  • Maximum Emitter-Base Voltage (Vebo): 6V
  • Maximum Collector Current (Ic): 800mA
  • Maximum Power Dissipation (Ptot): 625mW
  • DC Current Gain (hFE): 100 to 300 (depending on the model and operating conditions)
  • Transition Frequency (ft): 250 MHz
  • Operating and Storage Junction Temperature Range (TJ, Tstg) : −55 to +150

2N2222 transistor uses

  • Switching Applications
    • Relay Drivers: Used to drive relays and other high-power components.
    • LED Drivers: Suitable for controlling LEDs and other indicators.
    • Small Motor Drivers: Can drive small DC motors in various applications.
  • Amplification
    • Signal Amplifiers: Used in low to medium power amplification tasks, including audio and RF amplifiers.
    • Pre-amplifiers: Suitable for amplifying weak signals in the initial stages of audio amplifiers.
  • Oscillators and Timers
    • Utilized in oscillator circuits and timer circuits like the 555 timer IC-based configurations.
  • General-Purpose Applications:
    • Digital Logic Circuits: Can be used for interfacing and switching in digital logic circuits.
    • Signal Processing: Suitable for processing small signals in various electronic devices.

2n2222a transistor equivalent

BC547.BC548(CBE), 2N3904(EBC),  BD139 (ECB)


Datasheet 2N2222A (ST)




Datasheet 2N2222A (CDIL)




Datasheet 2N2222A (Diotec)


Datasheet 2N2222A (ON)



Datasheet 2N2222A (Semicoa)





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