Thesheader plugs are designed primarily for accepting the matching sockets below allowing cables to be plugged on to circuit boards or circuit boards to be plugged together. The pins protrude 3.4mm from the base and require 1mm diameter holes for soldering to the PCB. The pins are 7.5mm long above the base and the header features a locking and polarising clip. Both plugs and sockets may be butted up end-to-end to form connectors with any number of ways from two upwards. Rated: 2.5A, AC 250 V.