Adi Linden <adil <at> adis.on.ca> writes:

> I've been designing a little gizmo requiring 5V  <at>  500mA. I am unsure as
> what type of power supply to provision. I see a lot of devices these days
> come with small switching AC adaptors, say 5V/1A, that are slim and easily
> fit densly packed power bars.
> 
> Are these available anywhere at a decent price? What I found seems to run
> about $20 a piece which is way overboard for my application.

$20 in 1s is about right for 5V 2000mA offline smpsu. You will have to buy a box
of them if you want a better price. 5V@0.5A is only 2.5W so you could use a
regulated linear wall wart, which will probably be $5-$10 in 1s. Again, in
quantity you can reduce the price. But if you ship abroad you should consider
shipping without wall warts, using a standard power connector receptacle for dc.

Peter P.



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