NPN transistors in TO-92 package for general use
Manufacturer: ['fairchild', 'onsemi', 'rochester']
The BC550BU Series is a renowned family of NPN bipolar junction transistors (BJTs) designed to meet the demands of various electronic applications, particularly in the field of audio and low-frequency amplification. This series is characterized by its exceptional performance, high reliability, and versatility, making it a preferred choice among engineers and designers.
One of the standout features of the BC550BU transistors is their low noise figure, which is critical for applications requiring high fidelity sound and signal processing. The devices exhibit a maximum DC current gain (hFE) of 110 to 800, ensuring efficient amplification of weak signals with minimal distortion. Furthermore, with a maximum collector current rating of 100 mA and a collector-emitter voltage of 45 V, the BC550BU transistors can handle a variety of circuit conditions while maintaining stability and performance.
The design of the BC550BU Series incorporates a compact TO-92 package, allowing for easy integration into both through-hole and PCB designs. This package not only optimizes space utilization but also enhances thermal performance, as the transistors are capable of dissipating heat efficiently, thus ensuring long-term reliability in operation. The transistors are designed to function effectively within a temperature range of -55°C to +150°C, making them suitable for both consumer electronics and industrial applications.
In terms of use cases, the BC550BU Series is ideal for audio amplification stages, preamplifiers, and low-frequency signal processing circuits, where high gain and low noise are paramount. They are commonly found in radio frequency (RF) applications, signal routing, and switching circuits, as well as in consumer products such as televisions, audio systems, and musical equipment. Their versatility extends to automotive electronics, where they can be used in sound systems and control circuits, ensuring robust performance in diverse operating environments.
Overall, the BC550BU Series stands out as a reliable and efficient solution for designers seeking high-performance transistors that deliver superior amplification capabilities across a wide range of applications.
TO-92-3(StandardBody),TO-226_straightlead