Quick heatsinking of Broadcom chip in WRT54G V8.2

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wa2ise
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Joined: 30 Sep 2014
Posts: 15

PostPosted: Mon Jun 15, 2015 2:08    Post subject: Quick heatsinking of Broadcom chip in WRT54G V8.2 Reply with quote
Did a quick heatsinking of a rather hot Broadcom chip in this router. Used some heat sink goosegrease coumpound, and to help hold the heatsink in position, used some hot melt glue applied to the edges and contacting the circuit board. Crude, simple, but it seems to work. And if the chip got so hot that it melts the glue, it probably would have died before I did this anyway.
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Ferrocenium
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Joined: 14 Mar 2015
Posts: 4

PostPosted: Fri Sep 18, 2015 13:46    Post subject: Reply with quote
I have also used hot glue and it works wonders in terms of time and simplicity. From wiki, hot glue is said to melt around 120 C, which is clearly sufficient. Slight precaution: I once carelessly added a large amount of steaming hot glue to a board in order to set wires I soldered in and quickly lost functionality. I believe failure was most likely due to the heat exposure on surrounding small components like BJTs et. al.
Blakhart
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Joined: 15 Dec 2007
Posts: 33

PostPosted: Fri Jan 01, 2016 20:59    Post subject: Reply with quote
I've used superglue at the ends of a tim covered heatsink as you guys used hot glue, and ceramic tim material to permanently apply a relatively huge cpu heatsink to a vid card gpu. Works a treat.
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