The BC547 comes in TO-92 packaging and the maximum output current it can handle is 100mA. Besides that it can also be used in commercial circuits. *This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information. The BC547 is a general purpose BJT NPN transistor mostly used in electronics hobbyists and educational electronics projects. Download Circuit Diagram, PCB Layout for this project. The company was acquired by ON Semiconductor in 2016 and its products and technologies continue to be developed and sold under the ON Semiconductor brand. Make Water Level Indicator with Buzzer using only BC547 transistor on Zero PCB. The company was known for its innovation in the development of the first commercial transistor and for its contributions to the advancement of the integrated circuit technology.įairchild became a leading supplier of power semiconductors, analog and mixed-signal integrated circuits, and other semiconductor products. The exact circuit I am trying to build can be found at this link. Fairchild Semiconductor was a pioneering semiconductor company that was founded in the late 1950s. BC547 Removed - Removed the BC547 Transistor to confirm all other components are working BC547 Connected - Re-connected the BC547 Transistor and started seeing inconsistencies NOTE: I built all simulated diagrams with Falstad Circuit Simulator. The transistor BC547 works as an emitter follower where R1 and R2 resistors bias the CB (collector-base) terminals and BE (base-emitter) terminals while the collector and base terminals have a tank circuit in their feedback path.
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