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Transistor Substitute Answered

Hey! I'm attempting again to make a wireless FM transmitter. The project plans call for a BC547C transistor, which is pretty common but I don't have any. Can I use a 3904 or a 2N222A instead?

Thanks!

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search the term "bc547c equivalent". up will pop data sheets of transistors and their values and characteristics and such. if you compare other NPNs you DO have, you'll find a likely substitute. after that, breadboard with that transistor to make sure it will do the work. sorry this answer is not a booming voice from the sky, but its a place to start, and learn. good luck.