Samtec Inc. Header, 1.27 Mm, Surface Mount, 78 Contacts; Connector Systems Samtec FTSH-139-01-L-D-RA

The Samtec FTSH series header, part number 39AC0449, features a 1.27 mm pitch and is designed for surface mount applications with 78 contacts arranged in 2 rows. The insulator is made from black liquid crystal polymer, while the terminals are constructed from phosphor bronze with options for either tin or gold plating over nickel. This connector supports a current rating of 3.4 A per pin when two pins are powered and operates within a temperature range of -55 °C to +125 °C. It is RoHS compliant and suitable for high mating cycles, making it a reliable choice for various electronic applications. The product also offers lead-free solderability and is compatible with multiple board and cable mates.