BD441
NPN transistors with 80V, 4A in various packages
Manufacturer： ['stm', 'freescale', 'iscsemi', 'multicomp', 'onsemi', 'oneic', 'fairchild', 'rochester']
series introduction
The BD441 series is a family of high-performance NPN bipolar junction transistors (BJTs) designed to meet the rigorous demands of various electronic applications. Renowned for their reliability and efficiency, these transistors are engineered for medium power switching and amplification tasks, making them an ideal choice for both industrial and consumer electronics. With a maximum collector current of 6A and a collector-emitter voltage rating of up to 45V, the BD441 series provides robust performance in a compact form factor, enabling designers to optimize space in their circuit designs without compromising on functionality.
One of the standout features of the BD441 series is its impressive gain characteristic, with a DC current gain (hFE) ranging from 20 to 100 at a collector current of 3A. This attribute ensures that the transistors can effectively amplify weak signals, making them suitable for audio applications, signal processing, and RF transceiver circuits. The BD441 series also boasts a low saturation voltage, which minimizes power loss during operation, thereby enhancing overall circuit efficiency. Its thermal stability is further supported by a robust thermal resistance rating, allowing for reliable operation in temperature-sensitive environments.
The design of the BD441 series incorporates a standard TO-220 package, which facilitates effective heat dissipation, making it suitable for high-power applications such as motor control, power supplies, and lighting systems. The series is also compatible with automated assembly processes, ensuring ease of integration into various electronic devices. As a result, it finds widespread application in consumer electronics, automotive electronics, and industrial automation, providing engineers with a versatile solution for a myriad of design challenges.
In summary, the BD441 series of NPN transistors offers a unique combination of high current handling capabilities, efficient amplification, and compact design, making it a valuable asset in the toolkit of modern electronic design engineers. Its adaptability and performance make it a preferred choice across numerous sectors, establishing it as a staple component in contemporary electronic applications.
Images for reference
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