Hal Murray wrote:
[email protected] said:
For reference, Ridge Equipment has a photo of one of this year's crop
of FE-5680A mounted to a large aluminum plate.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=330233071735
http://i43.tinypic.com/126cpcp.jpg
Is that an aluminum plate or the top side of a PCB used as a heat sink?
To me, the first picture looks green/FR4 around the edges. (and a stripe on
the left)
Yes, that is a portion of the board I described in an earlier message.
The board is thick fiberglass plated heavily on both the top and bottom.
The board in the picture has been cut both above and below the 5680A.
The plating ended about where the lower cut is, but the plating
continued farther above the top of the unit in the picture. My earlier
message gave the dimensions.
One minor note about this board. The screws holding the 5680 to the
borad were an unusual type. I can't remember, I think they may have been
a square drive. They were difficult to remove as I had no proper tool to
unscrew them. I think I made something from steel rod to start them
losening.
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