This is a 2" x 2" board that can support up to 72 pins of a SOP package with 0.016" pitch.

Support up to 72 pins SO, SOP, QSOP, SSOP, TSSOP, PSSOP package IC with 0.4mm pitch, 23 pcs. of 0603 package, 10 pcs. of 0805 package and some thru hole passive components. 10 ground holes are connected a copper plane on the bottom side.

Detailed Diagram (pdf)

Mechanical Dimensions (pdf)

Hi-Res Product Photo