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So how big is that IC? I have a usb Mini-b female that I'm trying to solder back on to my old GPS. It fell off after jamming the usb plug into it too many times. Someone told me I should use flux, and that it was similar to drag soldering (which I see here in your video)
Would the IC above be about the same size as the usb Mini-b female connector I need to reconnect?
leeand00 6 months ago
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leeand00 6 months ago
Comment removed
leeand00 6 months ago
Do I need to use flux if I'm using rosin core solder?
sonofsam717 1 year ago
@sonofsam717 Yes, additional flux is necessary. The flux within the solder burns off once you add the solder to the cup tip. By the time you start soldering, the flux that was in the core of the solder is all spent and no good anymore.
If you give it a try, you'll notice that without additional flux you won't get proper wetting, the solder will tend to remain on the tip rather than flow to the pins, and form solder bridges very easily.
The additional flux causes the solder to flow with ease.
TehMG 1 year ago
@TehMG
OK thanks for answering my question and then some. I suck @ soldering but I've been practicing and getting better. I have an aptitude for this kind of stuff but have never been in a position where I needed to solder. So I never did. But I'll get good @ it. Thanks again.
sonofsam717 1 year ago
@sonofsam717 And just to make it clear, additional flux in only required when the solder is added to the tip of the iron first. If the solder is added directly to the heated joint, then the flux in the solder's core is enough. Though in some situations additional flux can still help, such as when soldering through-hole components on multi-layer boards, the flux core in the solder sometimes isn't quite enough to get the proper solder flow to the opposite side of the board.
TehMG 1 year ago
Is that gluey stuff flux?
adityat90 2 years ago
Of course its flux.
GMELECTRONICS365 2 years ago
More Good!
mryndack 2 years ago
Beautiful!
Penfold8 2 years ago 12
whats the material you ve applied at first
the one which looked like glue
could you please tell abt that
balamithraselvan 3 years ago
it's rosin flux
ehackster 3 years ago
Flux
Lokivoid 2 years ago
Now thats how your drag solder! I seen too many videos where every single pin is soldered by pushing solder from the pad to the pin. A very long process. And I am like " WHY DON'T YOU JUST DRAG SOLDER!!" They might as well go back to .1 inch pitch through-hole components if they want to be slow and not advance.
Great video.
Anothercoilgun 3 years ago
nice!
peuama 4 years ago
wow, thats pretty sweet
wing54 4 years ago