BT (Bismaleimide-Triazine) substrates or equivalent.
Package thickness is 1.2mm max for 0.8mm and 1.0mm pitch packages.
Package thickness is 1.1mm max for 0.5mm pitch packages.
Moisture sensitivity is JEDEC level 3.
Lead-free parts are available with (SAC405) 95.5% Sn/4.0% Ag/0.5% Cu alloy or 96.5%Sn/3.0%Ag/0.5%Cu alloy (SAC305) or (SAC105) 98.25%Sn/1.2%Ag/0.5%Cu/.05%Ni is also available.
New: CABGA, CVBGA and CTBGA parts are available without solder balls, which makes the package LGA.