Alltransistors.com Transistor Review

If you have ever found yourself staring at a pile of salvaged components, squinting at a cryptic code on a tiny black plastic casing, you know the pain. Is that "C945" a general-purpose NPN, or a high-voltage switching transistor? Is "A733" a suitable replacement for the BC557?

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For the hobbyist who has a drawer full of unmarked transistors, or the engineer looking for a quick drop-in replacement during a prototype fix, this site is invaluable. If you have ever found yourself staring at