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Re: [Homebrew_PCBs] Soldering a LQFP 48 on a home made PCB

2014-11-08 by Phil Quinton

Thank you for your replies.. You've certainly given me plenty to try.

    I'll have a go and let you know how I get on.

    Thanks again for all the help.


Phil.


On 07/11/14 23:27, James bitsyboffin@... [Homebrew_PCBs] wrote:
> No I didn't.  I very seldom bother to tin SMD pads.  You must need to 
> be sure the pads are clean, bare copper is fine as long as it's clean, 
> and your flux is good.
>
> For IC's, as I said, pads a bit longer than usual (same goes for all 
> SMD components when hand soldering) bare clean copper, align IC, 
> liberal flux, tack a corner or two, and run along the rest with the iron.
>
> For smaller 2-3 pin devices, put solder on one pad only, hold the iron 
> there on the edge of the pad with molten solder and use it as an 
> end-stop to push the device up against, remove iron, wait for solder 
> to solidify, now just solder the remaining pad(s).
>
>
> On Sat, Nov 8, 2014 at 5:37 AM, Dwayne Reid dwayner@... 
> <mailto:dwayner@...> [Homebrew_PCBs] 
> <Homebrew_PCBs@yahoogroups.com <mailto:Homebrew_PCBs@yahoogroups.com>> 
> wrote:
>
>     The problem with all of the suggestions made so far is that
>     everyone is assuming that the pads already have solder on them
>
>
>

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