Re: PCB trace temperature?

From: Dorsai (dorsai_at_mail.com)
Date: 12/17/04 

Date: Thu, 16 Dec 2004 19:15:01 -0600

Dennis Clark <dlc@io.frii.com> banged on the keyboard until producing
news:41c205d3$0$207$75868355@news.frii.net:

> Hi all,
>
> I've seen and used the trace temperature vs. current calculators and
> seen lots of information on calculating trace temps. However, I can't
> find any information about just how hot you can let a trace get. I
> know that copper melts at about 1100 deg. C, I'm pretty sure that the
> board will be damaged before that,... So, how hot can a trace get and
> still be OK on a board? Where does board damage occur and how hot are
> we "allowed" to get a trace?
>
> regards,
> DLC
> --
>========================================================================
>====
> * Dennis Clark dlc@frii.com
> www.techtoystoday.com * * "Programming and Customizing the OOPic
> Microcontroller" Mcgraw-Hill 2003 *
>========================================================================
>====
>

Basic rule of thumb: if you can't stand to touch it with your thumb, it's
TOO DAMN HOT.

Hope this helps. 

-- 
* * * * * * * * * * * * * * * * *
Dorsai - Author of Erotic Fiction
http://www.asstr.org/~Dorsai
* * * * * * * * * * * * * * * * *
If Bill Gates had a dime for every time Windows crashed... 
            Oh, wait a minute, he already does.

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