Should I design with "N" parts or newer parts?
I noticed there are parts with "N" in the part name, for example the 1N2222 diode and the 2N2222 transistor, etc. What is the history of these parts? Where did they come from and why do they have these part numbers? Are they somewhat obsolete, like the discrete digital logic parts? Manufacturers seem to be coming out with new parts, are they necessarily improvements over the old "N" parts?
I noticed there are parts with "N" in the part name, for example the 1N2222 diode and the 2N2222 transistor, etc. What is the history of these parts? Where did they come from and why do they have these part numbers? Are they somewhat obsolete, like the discrete digital logic parts? Manufacturers seem to be coming out with new parts, are they necessarily improvements over the old "N" parts?
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