2N2222A-Transistor NPN General-Purpose Amplifier in TO-18 Metal Can Package ?C ON Semiconductor

2N2222A-Transistor Overview

The 2N2222A transistor is a widely used NPN bipolar junction transistor (BJT) designed for low-power switching and amplification applications. Known for its high gain and fast switching capabilities, it operates efficiently within medium voltage and current ranges, making it ideal for general-purpose use in industrial and consumer electronics. Its robust design ensures reliable performance in diverse circuit configurations, including drivers, amplifiers, and signal processing stages. Sourced from reputable manufacturers, this transistor offers a balance of performance, affordability, and availability, making it an essential component for engineers and sourcing specialists. For detailed sourcing and datasheets, visit IC Manufacturer.

2N2222A-Transistor Technical Specifications

2N2222A-Transistor Key Features

• High current gain: Enables efficient amplification with minimal input current, improving overall circuit sensitivity and performance.
• Medium voltage tolerance: Supports voltages up to 40 V across the collector-emitter junction, suitable for a wide range of switching and amplification tasks.
• Fast switching speed: Transition frequency up to 300 MHz allows use in high-frequency applications and signal processing.
• Robust power dissipation: Maximum power handling of 625 mW supports sustained operation in moderate power circuits without thermal failure.

Typical Applications

• Low to medium power switching circuits, such as relay drivers and lamp drivers, where fast response and reliable operation are critical for system control.
• General-purpose amplification in audio and signal conditioning circuits requiring stable gain and low distortion.
• Oscillator and timer circuits that benefit from the transistor??s high transition frequency and gain characteristics.
• Interface circuits for microcontrollers and digital logic, providing necessary current amplification and voltage level shifting.

2N2222A-Transistor Advantages vs Typical Alternatives

This transistor stands out for its balanced combination of current gain, voltage rating, and switching speed compared to typical general-purpose BJTs. Its metal-can TO-18 package ensures superior thermal conductivity and mechanical stability, enhancing reliability under varying environmental conditions. The device??s fast switching capability and moderate power dissipation make it preferable over some plastic-encapsulated alternatives in precision and high-frequency circuits. This makes it a go-to choice for engineers needing consistent, high-performance transistors in both prototyping and production stages.

2N2222A-Transistor Brand Info

The 2N2222A transistor is a classic semiconductor component originally introduced by multiple manufacturers including Texas Instruments, ON Semiconductor, and Fairchild Semiconductor. It is widely available as a standard part number from various global suppliers, ensuring consistent quality and interchangeability. These brands maintain rigorous testing standards and comprehensive datasheet support, providing engineers with dependable performance data and application notes. The transistor??s enduring popularity is supported by its proven track record in industrial, automotive, and consumer electronics sectors, making it a staple in design libraries worldwide.

FAQ

What is the maximum collector current rating for this transistor?

The maximum collector current is rated at 800 mA, allowing the