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 Post subject: Power supply boards
PostPosted: Thu May 30, 2019 12:14 am 

Joined: Wed Oct 31, 2018 10:14 pm
Posts: 8
Hello, I’m pretty new here and am almost ready to send in my first couple of boxes of boards. I was going through the buying list here I have a pile of power supply board. Mostly small (under 6” long”) switch mode power supplies, with heat sinks, transformer, rectifier etc... I was wondering where these fall under. Are they mid grade boards or low grade boards?

Thanks!


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 Post subject: Re: Power supply boards
PostPosted: Thu May 30, 2019 2:26 am 
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Joined: Tue Feb 03, 2015 6:57 pm
Posts: 5699
Location: Low DOS
99.99999999~% of power supply boards are midgrade if green on one side and have at least one IC
Otherwise low grade

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-- my grades are my own and do not represent an offer from boardsort, nor are they guaranteed. Please keep that in mind.


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 Post subject: Re: Power supply boards
PostPosted: Thu Jun 13, 2019 11:32 am 

Joined: Wed Oct 31, 2018 10:14 pm
Posts: 8
Thank you very much, that helps alot.


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 Post subject: Re: Power supply boards
PostPosted: Thu Jul 25, 2019 2:13 pm 

Joined: Mon Jul 08, 2019 10:01 am
Posts: 4
Is it worth removing the boards from PSUs?


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 Post subject: Re: Power supply boards
PostPosted: Thu Jul 25, 2019 4:42 pm 
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Joined: Tue Feb 03, 2015 6:57 pm
Posts: 5699
Location: Low DOS
From cube supplies like modern PCs, and old bricks, no.
From server PSUs; only if you have the patience to clean them. These will usually have enough metals to strip to a metals scrap value worth it to those who wish to.
Rack PSUs and Mega Cubes. Yes. These have pounds of fins for cooling usually a high grade aluminium, sometimes red brass or copper.
Removing the fins, the transformer (or pair) and the largest capacitors will net you a peripheral grade board and metals as well.
The inside cases are almost always aluminium and the outside cases are usually a compression moulded carbon. Easy to identify. They’re 2-5 times larger AND weigh 5 lbs or more; usually 10-15 lbs.

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-- my grades are my own and do not represent an offer from boardsort, nor are they guaranteed. Please keep that in mind.


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