2N5681-Transistor by ON Semiconductor – NPN Transistor, TO-18 Metal Can Package

2N5681-Transistor Overview

The 2N5681 is a high-performance NPN silicon transistor designed for low-noise amplification and switching applications. Featuring a complementary PNP device, it is commonly used in low-level audio and radio-frequency circuits, providing reliable gain and stable operation across a wide frequency range. This transistor delivers consistent current gain and low noise figure, making it ideal for precision analog signal processing in industrial and communication equipment. Manufactured with robust silicon technology, it ensures durability and thermal stability under varying operating conditions. For sourcing reliable semiconductor components, visit the IC Manufacturer platform.

2N5681-Transistor Key Features

• Low noise figure: Enables enhanced signal clarity, critical for audio and RF amplification circuits.
• High current gain (hFE): Ensures efficient amplification with minimal distortion, improving overall circuit performance.
• Wide frequency response: Supports operation in both audio and radio frequency bands, providing versatility for various applications.
• Robust silicon construction: Enhances device reliability and thermal stability, reducing failure rates in demanding environments.

2N5681-Transistor Technical Specifications

2N5681-Transistor Advantages vs Typical Alternatives

This transistor offers superior low-noise performance and higher current gain compared to many standard NPN transistors, making it especially suited for sensitive amplification tasks. Its wide frequency response and robust voltage ratings provide enhanced versatility and reliability in analog and RF applications, outperforming typical alternatives in signal fidelity and thermal stability.

Typical Applications

• Low-noise audio preamplifiers and signal amplification circuits where minimal distortion and noise are critical for high-quality sound reproduction.
• Radio frequency amplification stages requiring stable gain and low noise figure for improved signal clarity.
• Switching circuits operating at moderate current with a need for reliable, consistent transistor performance.
• General-purpose amplification in industrial control systems demanding durability and steady operation over temperature variations.

2N5681-Transistor Brand Info

The 2N5681 transistor is a widely recognized component in the semiconductor industry, known for its dependable NPN silicon design tailored for low-noise and high-gain applications. It is manufactured under strict quality controls to meet industrial standards, ensuring consistent performance in professional audio, communication, and industrial electronics. The product is often supplied in standard TO-18 metal can packages, facilitating effective heat dissipation and mechanical stability.

FAQ

What is the maximum collector current rating for this transistor?

The maximum collector current for this device is 100 milliamps (mA), which supports moderate power applications such as low-level amplification and switching without excessive heat generation.

Can this transistor be used in high-frequency RF applications?

Yes, the 2N5681 transistor supports a transition frequency (fT) up to 100 MHz, making it suitable for certain radio frequency amplification tasks within that range.

What makes this transistor suitable for low-noise audio circuits?

Its low noise figure and stable current gain help minimize signal distortion and background noise, which is essential for maintaining audio fidelity in preamplifier and other sensitive audio circuit designs.

What package type does this transistor come in?

The transistor typically comes in a TO-18 metal can package, offering good thermal conductivity and mechanical robustness, which is important for maintaining device reliability in industrial environments.

How does the 2N5681 perform in terms of thermal stability?

Thanks to its silicon construction and package design, this transistor exhibits strong thermal stability, allowing it to maintain consistent electrical characteristics over a wide temperature range.