Gold or silver is fine for a PCB coating.
Solder is the big issue with ROHS - lead free solder can cause big reliability issues, and the higher melting temperature causes problems for some heat-sensitive components.
Gold or silver is fine for a PCB coating.
Solder is the big issue with ROHS - lead free solder can cause big reliability issues, and the higher melting temperature causes problems for some heat-sensitive components.