2N6249

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Part Status:	Active

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2N6249 Application Field and Working PrincipleThe 2N6249 is a bipolar NPN transistor, created by Fairchild Semiconductor and commonly used in a wide range of applications. Understanding the 2N6249’s application field and working principle can help you make good use of it.Application FieldThe 2N6249 is a small signal NPN transistor, with good high frequency performance and large current capacity. It supports high voltage and low current output. It primarily serves two fundamental functions: switching and amplification. Therefore, it is featured in a broad range of applications which involve signal conditioning, sensor signal processing, signal amplification, and external modulation of RF signals. The 2N6249 transistor is commonly employed in digital logic circuits, motor and relay drivers, power amplifiers and other applications.Working PrincipleThe 2N6249 is a three-segment bipolar transistor, which consists of the emitter, collector, and base electrodes. The operation of a transistor is based on the basic concept of electron conductivity. When the base electrode is positively charged, it results in the direct flow of electrons from the emitter to the collector segments. As it is a NPN transistor, the application of negative potential to the base will stop the electron flow, shorting the emitter to the collector. This causes the open circuit between emitter and collector, disabling the transistor. The transistor will remain in this condition until the base is re-energized. The amount of current flowing through the transistor is determined by the voltage applied to the base electrode while the transistor is in active mode.In conclusion, the 2N6249 is a small signal NPN transistor, commonly featured in a wide range of applications. Its working principle is based on the concept of electron conductivity, where the current is determined by the voltage applied to the base electrode. Its robust construction, excellent high frequency performance, and high current capacity make it ideal for digital logic circuits, motor/relay drivers, and amplifiers. Thus, it is an excellent choice for a variety of different applications.

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