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Q&A Cleaning flux out of USB connectors after soldering

When soldering Micro-USB or USB-C connectors by hand, flux is applied generously. This sometimes results in flux getting inside the connector housing, making it sticky and creating high physical re...

1 answer  ·  posted 4y ago by Kranulis‭  ·  last activity 1y ago by Lorenzo Donati‭

Question PCB SMD soldering flux
#4: Post edited by user avatar Lundin‭ · 2020-12-07T11:41:56Z (almost 4 years ago)
When soldering Micro-USB or USB-C connectors by hand, flux is applied generously. This sometimes results in flux getting inside the connector housing, making it sticky and creating high physical resistance when inserting and removing the cable. I have attempted using q-tips and small brushes with alcohol, but that does not seem to completely clean the housing. I also looked for compressed alcohol cans (similar to compressed air), but such a thing does not seem to exist. 

What is a reliable way of cleaning this kind of connectors from flux residue?
#3: Post edited by user avatar Nick Alexeev‭ · 2020-12-06T19:52:39Z (almost 4 years ago)
  • Cleaning USB connectors
  • Cleaning flux out of USB connectors after soldering
#2: Post edited by user avatar Kranulis‭ · 2020-12-06T10:54:14Z (almost 4 years ago)
  • When soldering micro-USB or USB-C connectors by hand, flux is applied generously. This sometimes results in flux getting inside the connector housing, making it sticky and creating high physical resistance when inserting and removing the cable. I have attempted using q-tips and small brushes with alcohol, but that does not seem to completely clean the housing. I also looked for compressed alcohol cans (similar to compressed air), but such a thing does not seem to exist.
  • What is a reliable way of cleaning this kind of connectors from flux residue?
  • When soldering Micro-USB or USB-C connectors by hand, flux is applied generously. This sometimes results in flux getting inside the connector housing, making it sticky and creating high physical resistance when inserting and removing the cable. I have attempted using q-tips and small brushes with alcohol, but that does not seem to completely clean the housing. I also looked for compressed alcohol cans (similar to compressed air), but such a thing does not seem to exist.
  • What is a reliable way of cleaning this kind of connectors from flux residue?
#1: Initial revision by user avatar Kranulis‭ · 2020-12-06T10:53:39Z (almost 4 years ago)
Cleaning USB connectors
When soldering micro-USB or USB-C connectors by hand, flux is applied generously. This sometimes results in flux getting inside the connector housing, making it sticky and creating high physical resistance when inserting and removing the cable. I have attempted using q-tips and small brushes with alcohol, but that does not seem to completely clean the housing. I also looked for compressed alcohol cans (similar to compressed air), but such a thing does not seem to exist. 

What is a reliable way of cleaning this kind of connectors from flux residue?