常用IC封裝

TQFP (Thin Quad Flat Pack )

QFN (Quad Flat No leads )

DIP (Dual in-line package)

SOP (Small-Outline Package)

TSSOP (Thin Small-Outline Package)

SOT (Small Outline Transistor)

PLCC (Plastic leaded chip carrier)

reference：

http://www.shbear.com/2/lib/200906/05/20090605093.htm