- SMD / SMT package: DFN-14 4.0 x 3.0 mm 0.50 mm pitch. - Adapter pcb board for breadboard prototyping. - PCB has a solder mask layer to minimise the formation of solder bridges during soldering. - For connectors with 0.1 inch pitch, not included. - This adapter has a proto area of 2 x 12 pads on bottom copper. -The interconnection tracks between pads in bottom layer can be easily removed as required. - A ground plane under the chip is available, with one pad connection.