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Delete or ignore this is a duplicateThere are a number of youtube videos for surface mount soldering. The liquid flux seems to be the choice.
Go to youtube and search "MSOP soldering"
There are a number of youtube videos for surface mount soldering. The liquid flux seems to be the choice.
Go to youtube and search "MSOP soldering"
Everything you need to know: https://www.kester.com/
The "best" flux may depend on your solder. Cored or non-cored? Lead free or not? The Kester site seems to address those variables.
I use Kester "44" rosin flux-cored 63:37 leaded solder in 0.031 for TH and 0.015 for SMD (with some exceptions).
For a separate flux, I use paste flux Kester SP-44. My 2-oz tin is of unknown age and is only about 1/3 used. "A little dab will do you." It lasts a long time and works well with small SMD's like you are describing. I also clean flux residue with a solvent afterwards.
John