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From: "Boris Nogoodnik"
References: <email@example.com> <firstname.lastname@example.org>
Subject: Re: What is maximum current for LED?
Organization: KGB, Ltd.
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Date: Thu, 3 Oct 2002 02:52:27 -0400
NNTP-Posting-Date: Thu, 03 Oct 2002 02:52:25 EDT
"The little lost angel" wrote in message
> On 2 Oct 2002 16:23:01 -0700, email@example.com (N. Thornton) wrote:
> >I would also solder the LED legs flat onto a PCB with plenty of copper
> >area and lots of solder, to heatsink them as well as poss, and provide
> Hmm does this mean that if I use a ultra large trace for LEDs, it
> would help heat dissipate away from the LED? ie, if I now have two
> thin 0.5mm tracks to the LED legs, increasing them to say 1.5mm each
> (or simply filling up empty space next to them with copper instead of
> exposing them away) would lower the LED temperature?
The crystal is usually directly attached to the anode leg which is good thermal
conductor. Soldering it close and having enough cupper/solder area on the board
will definitely reduce the crystal temp.
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