Flip Chips Lead Free (No Pb)bump composition 95.5Sn/3.5Ag/1.0Cu
For optional metal backing Cr/Ni/Au for eutectic die attach, add letter "M" after the pitch.
For bumpless, wire-bondable die, change "FC" to "FCN" and change "C" to "A". Example: FCN88G5.08A204-DC