How do I use no-clean, rosin, or aqueous flux dispensing pen? - Banner

How do I use no-clean, rosin, or aqueous flux dispensing pen?

Using a flux dispensing pen, whether it's a no-clean, rosin, or aqueous flux, is a straightforward process. Flux is used in soldering to remove oxidation and improve the wetting of solder, ensuring better solder joints. Here's a step-by-step guide on how to use a flux dispensing pen:

1. Preparation:

Ensure you have the appropriate flux pen for your application (no-clean, rosin, or aqueous flux). The specific type of flux depends on your soldering needs and the type of components you are working with.

2. Clean the Surface:

Before applying flux, make sure the surface you are about to solder is clean and free from any debris, dust, or oxidation. Clean it with a lint-free cloth if necessary.

3. Prepare the Flux Pen:

  • Remove the cap of the flux pen.
  • Tap the tip on a flat surface to saturate the tip.
  • If there is dried flux or other residue on the tip, rub it off on a wipe.

4. Apply Flux:

  • Hold the flux pen like you would hold a regular pen or marker, with the tip facing downwards.
  • Gently press the tip against the surface where you want to apply the flux. Be careful not to apply too much pressure as it may lead to excessive flux application.
  • Move the pen across the area where you want to apply flux. The flux will flow out through the tip as you move it.

5. Soldering:

Once you have applied the flux, proceed with the soldering process immediately.

6. Clean Residue (if applicable):

If you are using a no-clean flux, it is designed to be left on the board without cleaning, depending on the requirements the electronics. If you used a rosin or aqueous flux, you should clean the board after soldering to remove any residue. Use a cleaning solution that is compatible with the type of flux you used.

7. Recap the Flux Pen:

After use, make sure to recap the flux pen tightly to prevent the flux from drying out or leaking.

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