# In Praise Of A Legendary Power Transistor

There are some devices which achieve electronic immortality, it’s likely that you have used a few of them yourself. The 555 timer of course, or the 741 op-amp. [ElectronicsNotes] is here with another candidate that might not have been on your mind as you read the previous sentences, and it’s a transistor. The 2N3055 is an NPN power transistor, no, THE NPN power transistor, that has found its way into an astounding array of devices over the last six decades or more. For such a ubiquitous device one might imagine that there’s not much new to know, but the video delivers on that front. Here

https://hackaday.com/2026/10/26/in-praise-of-a-legendary-power-transistor/

Image: https://hackaday.com/wp-content/uploads/2026/10/2n3055-featured.jpg?w=800

Image: https://hackaday.com/wp-content/uploads/2026/10/2n3055-featured.jpg

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Canonical URL: https://qwibbit.com/q27056

Created: 2026-10-27T02:13:39.435855+00:00

Last edited: 2026-10-27T02:13:39.435855+00:00

Board: 3

Origin: Syndicated

Original source: https://hackaday.com/2026/10/26/in-praise-of-a-legendary-power-transistor/