Posts Tagged ‘pnp’:

2016-11-21 Goldmine Giant TO92 Semiconductor Asstmt G21402

I got a few of these just to satisfy my curiosity, and to waste ten bucks each and waste time sorting the transistors into piles of the same number. My general observations Most of the datasheets for these transistors can be found online. Most of the transistors are PNP.  I got several dozen, maybe a

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2015-02-17 Doule Thief NPN PNP

I was looking at two schematics online, one a NPN Joule Thief, the other a PNP Joule Thief. The gears started turning and I thought that I could combine them into one Joule Thief. At first I thought dual Joule Thief, but combined it, too, into Doule Thief. Why not… One may ask why do

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