[sdiy] Hand soldering TQFP packages

[Peter Ullrich]

Seb Francis <seb at burnit.co.uk> wrote:

> Peter Ullrich wrote:
> > You only need a normal (not SMD) soldering iron - but also a SMD one can be
> 
> > used.
> > The important part is a special flux paste: RMA 04-HV (Stannol and other 
> > companies have it).
> >
> >   
> 
> I can't find anything like this on the UK RS website.  I do have a (no 
> clean) flux pen, but it's definitely not a paste - it's like a thin 
> clear liquid.
> 
> I found these 2 products
> http://www.rapidonline.com/searchresults.aspx?style=0&kw=85-6276

Should be the same...

> http://uk.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=45354701&N=401
> http://www.farnell.com/datasheets/21998.pdf

The 450-01 version of Multicore should be better due to the fact that
it works better with dirty copper boards...
If you can't get it the 425-01 version (your link) should also be OK.

> Neither are described as "pastes", but they both look like they are 
> sticky, as opposed to the stuff that comes out of a flux pen which is a 
> thin liquid.

Sorry... my bad English.... Jelly would have been the right word...

> Good tips, thanks :)

You are welcome!

Ciao
Peter

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