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May 2013

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Subject:
Re: Operating temperatures
From:
David Douthit <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, David Douthit <[log in to unmask]>
Date:
Thu, 9 May 2013 07:02:16 -0700
Content-Type:
text/plain
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text/plain (28 lines) 
These "specs" sound like "down hole" oil/gas drilling temps.

D. A. Douthit
------------------------------------

On May 9, 2013, at 4:09 AM, Pradeep Menon wrote:

> We have a requirement specified in the master drawing of couple of PCBs which indicate that the operating temperatures as below.
> 
> 1.            -50°C to 200°C operating PCB.
> 2.            -40° to 150°C operating PCB.
> 
> Will a high Tg material FR4 meet this requirement. Or will Polyimide be required. Any general inputs on this since we could not find the operating temperature in the TDS of the materials
> 
> Rgds
> 
> Pradeep
> 
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