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WRT54GL Passive Cooling Heatsink

Discussion in 'Cisco/Linksys Wireless Routers' started by omek, Sep 28, 2010.

  1. omek

    omek Addicted to LI Member

    Today I was alittle bored so I decided to install some passive heatsinks.

    I put very small heatsinks on the memory, cpu and some other chip that felt hot (was shaped like the memory chip).

    The heatsinks are designed for low profile ram. About 1x1" and maybe 5cm tall.

    After the install I left the front off and felt the cpu sink... It was hot enough to burn me.

    Is it normal for them to be this hot? or being that the sinks are so small... Might they be holding extra heat in?
     
  2. howardp6

    howardp6 Network Guru Member

    Did you put a thermal paste between the heat sink and the CPU. If on the air gap between the heat sink and the CPU will act as an insulator. The purpose of a heatsink is to cool the part it attaches too by adding an increased surface area and by drawing the heat away form the underlying part. There should be a thermal gradient betwen the bottom of the heat sink attached to the cpu and its upper surface, which is cooled by convection by the surrounding air and by radiation.
     
  3. omek

    omek Addicted to LI Member

    Yes lol, I used some good, thin, thermal tape.
     

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