Re: SMD soldering (off topic)

<snip >
> I'm not really experienced in this area but here's what I found worked
> really well for a SSOP28 package.
>
> In contradiction to what others say I used a very large (9mm) knife type
> soldering bit. First I tinned my homemade PCB using a soldering iron and
> SMFL. I then soldered down one pin, I accidently bridged the next with
> solder. A very small amount of solder was then applied to the knife tip
> and more SMFL to the board an chip pins. I then applied the knife tip to
> the pins and pads and slowly drew the tip across. I was amazed by the
> sucess of this, even the bridged pins cleared. This is the only SMD IC
> that I have ever soldered, it may be just luck!
>
> SMFL is an rework solder flux spray and is non-corrosive.
>

This can work well for things like SSOP with the largish pitch and thick
pins, but it may well end in disaster for small 0.5mm pitch TQFP packages,
the legs are very thin and the pitch is very fine. I would suggest only
attempting this after some practice!

Mark.

Mark Purcell, MAP Electronics
web: http://www.mapelectronics.co.uk/
email: map-hdgEqy5R1AG+FmPSFd0fl9Bc4/[email protected]

_______________________________________________
TINI mailing list
TINI-6tN4nzCoH/[email protected]
To UNSUBSCRIBE, edit your profile, or see list archives:
http://lists.dalsemi.com/mailman/listinfo/tini