The main manufacturers and their DataSheet can be downloaded here. There are also foreign Russian equivalents:Ĭomplementary pair with 2N3906 PNP. If necessary, you can replace this BJT with a 2N3903, but you need to understand what parameters are important in this case and study the technical characteristics of both transistors. ![]() Here is an image showing the pin diagram of this transistor. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, base, and collector leads. You can replace the 2N3904 transistor with the following equivalents: The 2N3904 is manufactured in a plastic TO-92 case. ![]() Electrical characteristics 2N3904 (T = +25☌)
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