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Re: Wow... 15 volts in and a bunch out..

 

I use a 78s05 voltage regulator , at 2 amps it gives a bit more headway and runs cooler .


On Sun, 19 Aug 2018 at 4:23, RCBoatGuy via Groups.Io
<ijnfan-HamRadio@...> wrote:
From the sounds of it, this temperature measurement was taken in open air, indoors @ room temperature.? It will get considerably hotter in an enclosure, and even hotter yet if that enclosure is outside in direct sunlight on a summers day.?

I strongly recommend both the heat sink and the resistor, especially if you plan on using this outdoors.?

73,

Carl, K0MWC

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