RQFP-208 (28 x 28 mm body width, 0.5 mm pin pitch) to PGA-208 (0.1" pin pitch) surface mount adapter.PCB dimensions: 3100 mils x 3100 mils x 62.5 mils (78.74 mm x 78.74 mm x 1.6 mm). Top side of board fits surface mount footprint. Bottom side of PCB fits through hole vertical headers.This board uses our male through hole vertical headers, Proto-Advantage part number: HDR100IMP40M-G-V-TH, which are included.Datasheet: PA0202 (pdf)Pinout Dimensions: PA0202_DIMENSIONED (pdf)