Bc547 Transistor Switch Circuit. A transistor is a device mostly used for switching purposes. This circuit is commonly utilized for alarming and indicative purposes like in tig welders etc.
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The transistor is operated in the saturation and cutoff region when we will use it as a switch. It is a tiny three terminal device capable to convert small signal inputs into large amplified outputs. The bc547 transistor is an npn transistor.
Bc547 has a gain value of 110 to 800 this value determines the amplification capacity of the transistor.
In this project we will design a simple joule thief circuit using a bc547 npn transistor. In this transistor a small current of the base terminal of this transistor will control the huge current of the emitter and base terminals. The bc547 transistor is an npn transistor. Bc547 transistor is a general purpose transistor mostly used in educational and electronics projects and it is also used in commercial circuits as well as in hobbies projects.
