The M80-8512042 is a 20-contact male connector from the Datamate L-Tek series, designed for through-hole printed circuit board applications. It features a double-row, horizontal configuration with 3mm long PC tails and a 2.00mm pitch. This RoHS-compliant part includes locking latches for a secure mating connection and has a Gold + Tin contact finish. It is designed to mate with corresponding female Datamate connectors for reliable board-to-board or board-to-cable systems.