Rectangular PCB Headers and Receptacles: Type - Pin Header; Positions-Circuits - 20P; Mounting - PCB - Vertical; Connector Configuration - Matrix, Unshrouded; Contact Spacing - 0.100" 2.54mm; Number of Rows - 1 Row; Contact Size - 0.100" 2.54mm Post; Termination Size - Length: 0.140" 3.55mm; Contact Material - Plating - Copper Alloy - Finish: Tin; Contact Termination - Solder; Housing Material - Polyester; Housing Color - White; Material Rating - UL 94V-0; Rating - Voltage - 250V AC; Mating Attachment - Friction Lock; Mounting Attachment - Locking; Manufacturer Series - MTA-100