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Low cost consumer device trade-offs for reverse polarity and over current protection. The previous version of this video had errors in the schematic which are now corrected.
I slipped up and several volts across the diode. Meant to say several tenths of a volt 0.2V - 0.7V
A Viewer spotted that I said voltage flows through the diode.. Nope. Should've said current. Difficult to do these quick videos in a single take.
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