This article traces how Motorola's 2N2222 and 2N3904 transistors achieved dominance as the industry's default N-channel bipolar junction transistors. It examines the historical, technical, and commercial factors that made these components ubiquitous in electronics design.
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How Motorola’s 2N2222 and 2N3904 transistors became the default NPNs
Motorola's 2N2222 and 2N3904 transistors achieved global dominance as the default NPNs through a combination of early technical leadership, manufacturing scale, and ecosystem lock-in that made them the reference parts for generations of circuit designers.
Monday, April 20, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline
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