For Sanken Electric USA Inc. part 2SC6145A, if you are wondering why solder residue may be present on the leads and whether this is normal, please note that we have clarified this with the manufacturer.
The manufacturer provided the following explanation:
“This product is shipped after undergoing a solder-dip treatment to improve solderability. Therefore, the presence of solder on the leads is not a manufacturing defect.”
Based on the manufacturer’s confirmation, the presence of solder on the leads is expected and does not indicate a quality or manufacturing issue.
Applicable Part Numbers
2SC6145A
2SC6145A-ND
2SC6145A DK