STMicroelectronics 2N2222

STMicroelectronics

2N2222

2N2222, Transistors GP BJT NPN 50V 0.8A 3-Pin TO-18

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The 2N2222 is a high-performance NPN bipolar junction transistor (BJT) widely used for low-power amplification and switching applications. Its robust design, reliable performance, and versatility make it an essential component for various electronic projects and circuits.

Electrical Characteristics:

• Transistor Type: NPN
• Maximum Collector Current (Ic): 600 mA
  • Allows for efficient current handling in low to moderate power applications.
• Maximum Collector-Emitter Voltage (Vce Breakdown): 30 V
  • Ensures safe operation within standard voltage ranges.
• Collector-Base Voltage (Vcbo): 60 V
  • Provides high breakdown voltage for enhanced durability.
• Emitter-Base Voltage (Vebo): 5 V
  • Designed for reliable emitter-base operation.

Static Characteristics:

• DC Current Gain (hFE):
  • Minimum of 100 at 150 mA, 10 V
  • Provides stable current amplification suitable for signal and power applications.
• Collector Cutoff Current (ICBO): 10 nA (max)
  • Ensures minimal leakage current in cutoff state, enhancing efficiency.

Dynamic Characteristics:

• Transition Frequency (fT): 250 MHz
  • Enables high-speed switching and efficient signal processing in RF circuits.
• Input Capacitance (Cib): ~25 pF
  • Minimizes signal distortion and improves performance in high-frequency applications.

Thermal and Power Ratings:

• Maximum Power Dissipation (Ptot): 500 mW
  • Capable of handling moderate power levels with proper heat sinking.
• Junction Temperature (Tj Max): 200°C
  • Supports operation in high-temperature environments.
• Thermal Resistance (RθJA): ~200°C/W
  • Efficient heat dissipation to maintain stable operation.

Mechanical and Packaging Details:

• Package Type: TO-18 Metal Can (TO-206AA)
  • Offers durability and compact design for through-hole mounting.
• Mounting Type: Through-Hole
  • Easy integration into printed circuit boards (PCBs).
• Leads Configuration: 3-pin design for simple connection and minimal layout complexity.

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Applications

• Signal Amplification:
  • Amplifies low-power signals in audio and communication circuits.
• Switching Circuits:
  • Acts as a reliable switch in logic gates and relay control circuits.
• Oscillators:
  • Frequently used in oscillator and timing circuits for generating waveforms.
• Voltage Regulators:
  • Helps stabilize voltage in power supply systems.
• DIY Projects:
  • Ideal for prototyping and educational electronics projects due to its versatile performance.

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The 2N2222 is a dependable solution for engineers and hobbyists requiring a low-power, high-performance transistor in their electronic designs. For more detailed information, refer to its datasheet or technical documentation.