Adaption circuit board for TSSOP24 and SSOP24 with 1.27 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. Two experimenting areas with 2 x 3 square pads