A flux-cored solder wire made from SAC305 (965-30), a lead-free alloy consisting of 96.5% tin, 3% silver and 0.5% copper. The NC601E flux is a colophony-free, no-clean type that leaves virtually no post-soldering residue for a visibly clean solder connection.
Melting range 217 to 218°C
Flux content 2.2%
Flux conforms to J-STD-004 / J-STD-006
Virtually no residue
Traces of residue can be dry brushed away for even cleaner appearance