Bill Turner wrote:
> ORIGINAL MESSAGE:
>
> On Mon, 14 Aug 2006 01:02:35 EDT, a "knowledgeable person" wrote:
>
>
>
>>Heat dissipation has nothing to do with mass.
>
>
> ------------ REPLY SEPARATOR ------------
>
> Really? So why do heat sinks come in different sizes? Might as well
> use the smallest one possible, right? Carried to the extreme, why use
> a heat sink at all? Mass = zero should work fine.
It's surface area that dominates transferring the heat to the
surrounding air. Mass plays a part in that you need enough material to
effectively carry heat to the extremities. Mass also affect how fast a
heatsink heats up.
Steve
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