2N2218A-Transistor NPN Amplifier Transistor in TO-18 Metal Can Package by ON Semiconductor

2N2218A-Transistor Overview

The 2N2218A transistor is a widely used NPN bipolar junction transistor designed for general-purpose amplification and switching applications. Known for its moderate gain, high transition frequency, and robust collector current capacity, it delivers reliable performance in low to medium power circuits. Its versatility makes it suitable for audio amplifiers, high-speed switching circuits, and driver stages in industrial and consumer electronics. Manufactured to meet rigorous industry standards, this transistor ensures stable operation across a range of operating conditions. For more detailed product sourcing and specifications, visit IC Manufacturer.

2N2218A-Transistor Technical Specifications

2N2218A-Transistor Key Features

• High Transition Frequency: Supports operation up to 150 MHz, enabling effective high-speed switching and amplification in RF and intermediate frequency stages.
• Robust Collector Current Capacity: Handles up to 0.8 A, allowing it to drive moderate loads reliably in various electronic circuits.
• Low Power Dissipation: With a maximum rating of 0.8 W, it offers efficient thermal management for compact designs.
• Wide Voltage Ratings: Collector-emitter voltage up to 30 V and collector-base voltage up to 50 V provide flexibility for different circuit requirements.

Typical Applications

• Signal amplification in audio frequency circuits, benefiting from its moderate gain and low noise characteristics.
• Switching components in digital and analog circuits requiring fast response times and reliable operation.
• Driver stages in industrial control systems where moderate power handling and frequency response are essential.
• RF and intermediate frequency amplifiers in communication equipment, owing to its high transition frequency capability.

2N2218A-Transistor Advantages vs Typical Alternatives

This transistor offers a balanced combination of speed, gain, and power handling compared to common small-signal transistors. Its high transition frequency enhances switching efficiency and signal integrity in RF applications, while its robust collector current rating supports moderate power needs without sacrificing reliability. Additionally, the metal TO-18 package ensures superior thermal conduction and durability versus plastic alternatives, making it a preferred choice for engineers seeking consistent performance in demanding environments.

2N2218A-Transistor Brand Info

The 2N2218A transistor is a standardized device originally popularized by multiple semiconductor manufacturers, including Texas Instruments, ON Semiconductor, and Fairchild Semiconductor. These brands maintain strict quality controls and comply with JEDEC standards to ensure interchangeability and reliable performance. The transistor’s widespread adoption in industrial and consumer electronics underscores its proven track record across decades. Available through authorized distributors, this transistor remains a staple in both legacy and modern designs.

FAQ

What is the maximum collector current for this transistor?

The maximum collector current for the 2N2218A transistor is rated at 0.8 amperes, which allows it to handle moderate loads in amplification and switching circuits without exceeding thermal or electrical limits.