Electronics > Projects, Designs, and Technical Stuff
"MLCCs ... do not require any voltage derating"
wraper:
--- Quote from: Siwastaja on May 16, 2020, 02:19:46 pm ---In my example (glowing bright orange), voltage rating was 50V and applied voltage was 10V. No mechanical stresses, just soldering process violations.
--- End quote ---
Yes, you should avid soldering SMT MLCC with soldering iron as much as possible. If you need to fix reflow issues or repair something, it's better to use hot air when possible.
Siwastaja:
Yes, to recap, avoid connecting MLCCs directly to planes, use thermal reliefs instead during PCB design.
If soldering with iron, preheat the board and quickly solder the pads. Avoid touching the ceramic body with the iron, or applying too much force with the tweezers. The common mistake here is that you need to apply heat for prolonged time because the solder doesn't flow into the board which is still too cold, but you are applying the heat to the MLCC as well all this time.
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