2N

2N

The 2N is a type of transistor that was widely used in electronic circuits during the mid-20th century. It belongs to the family of bipolar junction transistors (BJTs) and was manufactured by various companies, including Texas Instruments, Fairchild Semiconductor, and Motorola.

History

The 2N transistor was first introduced in the 1950s as an improvement over the earlier 2A transistor. It quickly gained popularity due to its reliability and versatility, becoming a staple component in many electronic devices of the time. The "2N" designation refers to the fact that it is a second-generation transistor.

Features and Specifications

• The 2N transistor is a three-terminal device with a collector, base, and emitter. It is typically housed in a small package, making it suitable for compact circuit designs. The transistor operates on the principle of amplification, allowing it to control the flow of current between the collector and emitter terminals based on the current at the base terminal.
• The specific characteristics of a 2N transistor can vary depending on the model and manufacturer. Common specifications include maximum collector current, maximum collector-emitter voltage, and gain (hfe) values. These specifications determine the transistor's performance and suitability for different applications.

Applications

The 2N transistor found widespread use in a variety of electronic applications. It was commonly used as a switch or amplifier in audio circuits, radio receivers, and early computers. Its ability to handle moderate power levels and its low cost made it a popular choice for hobbyists and professionals alike.

Legacy

• While the 2N transistor has been largely replaced by more advanced transistor technologies, its impact on the electronics industry cannot be understated. It played a crucial role in the development of early electronic devices and paved the way for further advancements in transistor technology.
• Today, the 2N transistor is still sought after by vintage electronics enthusiasts and collectors. Its historical significance and nostalgic appeal make it a prized component for those interested in restoring or studying the technology of the past.

See Also

• Transistor
• Bipolar Junction Transistor
• Texas Instruments
• Fairchild Semiconductor
• Motorola

References

2N Resources
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