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May 2003

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Subject:
Re: PCB material info
From:
Shirley Xiao <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 16 May 2003 05:36:09 -0700
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Typical MOT is 130 C or 140 C in UL file.




--- Scott Rebman <[log in to unmask]> wrote:
> Does anyone have knowledege of maximium operating
> temperature for FR-4
> PCB's.  I've got a board with resistors getting over
> 200 F with an ambient
> temperature of 72 F.  I'm concerned about the board
> temperature when
> ambient gets to 150 or 160 F.
> www.acculam.com/s2.htm says 285 F is max.
> Comments appreciated.
>
> Scott
>
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