12v dc DVD player wired incorrectly ie. polarity reversed toa 12v dc battery pack
Stormin Mormon (on backup computer) wrote:
Some DC devices put a diode (backwards) on the power input leads. So that if
you wire the device backwards, it acts like a big short. Blows fuse, and
protects the electronics. Some circuits call this a "protector diode".
That would, of course, be _forward_ current.
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