2N2222AL-Transistor Overview
The 2N2222AL transistor is a widely used NPN bipolar junction transistor (BJT) known for its versatility in amplification and switching applications. This medium-power transistor supports continuous collector currents up to 800mA and offers a maximum voltage rating of 40V, making it ideal for general-purpose electronic circuits. Its robust design ensures reliable performance in various industrial and consumer electronics environments. Engineers and sourcing specialists value this transistor for its consistent gain characteristics and fast switching speed, which enable efficient circuit integration. For detailed product sourcing and technical resources, visit IC Manufacturer.
2N2222AL-Transistor Technical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Type | NPN Bipolar Junction Transistor | ?C |
| Collector-Emitter Voltage (VCEO) | 40 | V |
| Collector-Base Voltage (VCBO) | 75 | V |
| Emitter-Base Voltage (VEBO) | 6 | V |
| Collector Current (IC) | 800 | mA |
| Power Dissipation (Ptot) | 625 | mW |
| DC Current Gain (hFE) | 100?C300 | ?C |
| Transition Frequency (fT) | 250 | MHz |
| Package Type | TO-18 Metal Can | ?C |
2N2222AL-Transistor Key Features
- High Collector Current Capability: Supports up to 800mA continuous collector current, enabling efficient handling of moderate power loads in switching and amplification.
- Wide Voltage Ratings: Collector-Emitter voltage rating of 40V allows use in a variety of voltage domains without compromising device integrity.
- Fast Switching Speed: Transition frequency up to 250MHz supports high-frequency amplification and rapid switching in digital circuits.
- Reliable Metal Can Package: TO-18 packaging offers superior thermal dissipation and mechanical durability for enhanced reliability in harsh environments.
Typical Applications
- Low-to-medium power amplification in analog circuits including audio, RF, and signal processing devices, benefiting from its linear gain and frequency response.
- Switching applications in industrial control systems where fast response and moderate current handling are required.
- Driving loads such as relays, LEDs, and small motors within embedded systems and consumer electronics.
- General-purpose transistor functions in electronic prototyping, testing, and educational projects due to its availability and predictable characteristics.
2N2222AL-Transistor Advantages vs Typical Alternatives
This transistor offers a balanced combination of voltage tolerance, current capacity, and switching speed that often outperforms generic low-power BJTs. Its metal can package provides better thermal management and mechanical robustness compared to plastic encapsulated alternatives. The device??s stable DC gain and high transition frequency make it a preferred choice for engineers seeking reliable amplification with fast switching, particularly in environments demanding long-term stability and durability. This makes it advantageous for applications requiring both performance and reliability without the complexity of specialized transistors.
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2N2222AL-Transistor Brand Info
The 2N2222AL transistor is a standardized device historically produced by multiple semiconductor manufacturers. It is commonly available from established brands such as ON Semiconductor, Texas Instruments, and Fairchild Semiconductor. These manufacturers maintain strict quality controls to ensure consistent electrical characteristics and robust packaging. The 2N2222AL variant typically denotes a transistor with tighter gain grouping and enhanced reliability, often supplied in the TO-18 metal can





