Paul,
Do you have the UL hardcopy "yellow books" of recognized components handy?
I'm going from memory, but I remember that they have a great reference area
in the back of the volume that contains the "ZPMV2" (printed circuit boards)
category of recognized products. Manufacturer's logos are graphically
rendered (I think alphabetically) so you can do a quick scan of the section
and find what you're looking for if it is indeed a manufacturer's logo. Not
a lot of people keep the yellow books anymore since you can go to the UL
website to find most of this same info for specific companies. But, if you
are trying to find general information (like a list of logos to sort
through) you can't beat the yellow books!

Okay, those of you who have found a better way to do this can tell us all
how you do this search...

That's my 2 cents worth!
Dale Ritzen, CQA
Quality Manager
Austin Manufacturing Services


-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Paul Wilson
Sent: Wednesday, April 14, 2004 8:19 AM
To: [log in to unmask]
Subject: [TN] Triangle with an F inside


Does anyone know what this mark means on a circuitboard [ Triangle with an F
inside ]?  Is it a heat rating or a manufacturer's mark?  There are not too
many companies with names beginning with an F.  Any help would be
appreciated ... Ultimately I am looking for the manufacturer of an
automobile board or assembler.

Thanks,
Paul Wilson

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