- SMD / SMT package: SON10 5.0 X 3.2 mm 1.00mm pitch. - Adapter pcb board for breadboard prototyping. - PCB with solder mask layer to minimise solder bridges during soldering. - For connectors with a 0.1-inch pitch, not included. Breadboard compatible. - Bottom copper with a small proto area: 2x3 pads. The interconnections between pads, can be cut easily with a small blade, as necessary. - A small ground plane under the chip is available with one pad connection.