Please refer to the table below:
Shelf life of packed finished PCB |
|
Surface finish |
Shelf life |
HASL / HASL Lead Free |
12 months |
ENIG |
12 months |
OSP |
6 months |
Immersion Tin |
6 months |
Immersion silver |
3 months |
Electro-tin Plating |
6 months |
Electro-sliver Plating |
6 months |
Electro-gold Plating |
12 months |