Adaption circuit board for QFN20 (0.50 mm pitch). Epoxy fibre-glass FR4 1.50 mm. Double-sided 35 µm Cu. Plated through holes (PTH). Surface chem. Ni/Au. Solder stop mask. Hole spacing 2.54 mm. Fits on sockets with a distance of 15.24 mm. Shield pad and co