I've noticed that commercial products with wall warts may run warm but not
hot. Somehow I don't think I'd leave the house very long with a cheap Chinese
wall wart running close to critical temperatures without good fire insurance.
Rick

Bob Blick wrote:

> Hi Kevin,
>
> Do you have a filter capacitor on the bridge rectfier? You need one.
>
> Also, wallwarts are meant to run hot whenever close to ratings. My rule of
> thumb, if you smell it when you enter the room, it's too hot, otherwise
> it's OK :-)
>
> Cheers,
>
> Bob
>
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