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41

FWIW, this is the best dam flux pen I have ever used. I will not solder anything without it.
http://www.mouser.com/ProductDetail/MG-Chemicals/835-P/?qs=sGAEpiMZZMvcAs5GUBtMdQwLF%252bU3Jn6E

I also have one of these, which makes makes re-work or even first time boards a breeze to solder. Have done many BGA’s with this as well.
Works like a charm. Personally, I prefer it over an oven any day.

http://www.ebay.com/itm/T862-IR-REWORK-soldering-STATION-INFRARED-BGA-WELDER-GOOD-QUALITY-HOT-/191787371799?hash=item2ca76b0d17:g:ploAAOSwVL1WC15c

42

@ VersaModule - Hey, we have the same flux pen! As it turns out you can’t air freight these more than 1 at a time.

I also use Sparkfun’s special blend solder and that makes soldering fun.

43

@ munderhill - Here’s how i do them without flux…

If the pins are .1in then place your headers in a proto breadboard.
Slap on the PCB
Hold solder next to pin (Flux core 0.7mm)
Hold iron on base of Pin/PCB for a second.
Push in some solder then take away solder.
Let solder flow for a second then take away iron
Mint joint :clap:
To get a flash clean finish give it a bath in some PCB wash then an H20 rinse.

2 Likes
44

Just soldered as per above…

2 Likes
45

@ Justin - What PCB wash do you recommend?

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@ munderhill - http://nz.element14.com/chemtools/ct-pcbw5l/pcb-wash-water-based-5l/dp/1827782?ost=182-7782&selectedCategoryId=&categoryNameResp=All%2BCategories&searchView=table&iscrfnonsku=false

Then rinse under tap

The rinse with De ionised water