2N2222AUB-Transistor NPN General-Purpose Amplifier – TO-92 Package by ON Semiconductor

2N2222AUB-Transistor Overview

The 2N2222AUB transistor is a widely used NPN bipolar junction transistor designed for general-purpose amplification and switching applications. It offers reliable performance with a collector current rating suitable for low to medium power circuits, making it a versatile component for industrial technology and electronic designs. Its compact SOT-23 package facilitates easy integration into densely packed PCB layouts, while maintaining robust electrical characteristics such as a high current gain and fast switching speed. Engineers and sourcing specialists rely on this transistor for cost-effective and efficient solutions across various electronic systems. For more detailed information, visit IC Manufacturer.

2N2222AUB-Transistor Technical Specifications

2N2222AUB-Transistor Key Features

• High collector current capacity: Supports up to 600 mA, enabling efficient switching and amplification in moderate power applications.
• Compact SOT-23 package: Minimizes PCB footprint, ideal for space-constrained industrial and consumer electronic designs.
• Wide voltage ratings: Collector-emitter voltage up to 40 V and collector-base voltage up to 75 V ensure versatility across various circuit requirements.
• Fast switching speed: Transition frequency of 250 MHz allows for high-frequency signal processing and rapid digital switching.

Typical Applications

• Signal amplification in low noise analog circuits, providing reliable gain and linearity for sensor interfaces and audio preamplifiers.
• Switching components in relay drivers and LED drivers, offering robust performance in control and indicator circuits.
• General-purpose switching in embedded systems and microcontroller-based designs, optimizing power efficiency and response times.
• Use in low to medium power switching regulators and DC-DC converters within industrial control systems.

2N2222AUB-Transistor Advantages vs Typical Alternatives

This transistor delivers superior switching speed and higher current capability compared to many general-purpose NPN transistors. Its compact SOT-23 package allows better space utilization on modern PCBs, while maintaining reliable gain and voltage tolerance. These factors make it preferable for engineers seeking a balance of performance and integration ease without compromising power handling or thermal reliability.

2N2222AUB-Transistor Brand Info

The 2N2222AUB is manufactured by multiple semiconductor suppliers known for quality discrete components. It is a standard offering in the semiconductor industry, typically sourced from reputable brands specializing in bipolar transistors. This transistor adheres to industry standards for electrical performance and reliability, making it a trusted choice for professional engineers and sourcing specialists managing supply chain consistency and component interchangeability.

FAQ

What is the maximum collector current rating of this transistor?

The maximum collector current for this transistor is 600 mA, which supports moderate power applications such as switching and amplification in industrial and consumer electronics.

Can this transistor be used in high-frequency applications?

Yes, with a transition frequency of 250 MHz, this device is