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P-Channel MOSFET for simple polarity protection.

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crutschow

crutschow

Joined Mar 14, 2008
38,669
TonyAm said:
Now I'm looking for a SOT (smd) version of the 7805, voltage regulator. Any advice would be greatly appreciated.
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1A of current @5V output with a 9V source will dissipate 4W, which an smd package cannot dissipate.
For that you need a TO-220 version with a small heatsink.
 
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