lower fretting corrosion, residual free tin at thicker IMP
hard tin, lowest mating and unmating force, higher number of insertion, good abrasion resistant
higher resistance against temperature(moulding), good electrical properties, good formable, abrasion resistant
good solderability
good solderability
good corrosion protection
reduced mating and unmating force
reduced mating and unmating force
reduced mating and unmating force