These are simple 2-position screw terminals with 2.54mm pitch pins. Rated up to 150V @ 6A, this terminal can accept 30 to 18AWG wire. The 2.54mm pitch will line up with standard 0.1" perf boards.
WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. See link below for more information. www.P65Warnings.ca.gov