Lead Finish Composition/Thickness

Home > Packaging Technology > Lead Finish Composition/Thickness
Package Type Option Lead Finish Composition Lead Finish Plating Thickness
Leaded Packages Standard 85% Sn, 15% Pb 5.08 microns minimum
Pb-Free Matte Sn 8 microns minimum, 12 microns nominal
LLP, TSOT Standard 85% Sn, 15% Pb 5.08 microns minimum
Pb-Free Matte Sn 8 microns minimum, 12 microns nominal
NiPdAu 0.53 microns minimum
TO-92 Standard 85% Sn, 15% Pb 5.08 microns minimum
Pb-Free 99.3% Sn, 0.7% Cu 15-20 microns (solder dipped)
Metal Can (TO-3, TO-5, TO-46) Standard 63% Sn, 37% Pb  
Pb-Free 96.5% Sn, 3.0% Ag, 0.5% Cu 8 microns minimum (solder dipped)
Cerpak Standard 63% Sn, 37% Pb 5.08 microns minimum
Pb-Free 96.5% Sn, 3.0% Ag, 0.5% Cu 8 microns minimum

Solder Ball Composition

Package Type Option Lead Finish Composition
Micro SMD Standard 63% Sn, 37% Pb
Pb-Free 98.3% Sn, 1.2% Ag, 0.5% Cu or 95.5% Sn, 4.0% Ag, 0.5% Cu
Micro SMDxt Pb-Free 96.5% Sn, 3.5% Ag
Ball Grid Array Standard 63% Sn, 37% Pb
Pb-Free 95.5% Sn, 4.0% Ag, 0.5% Cu