Samtec Inc. Header, 2.54Mm, Smd, 54 Position; Connector Systems Samtec TSM-127-02-L-DV

The Samtec TSM series header, part number 78P7957, is a surface mount connector with a pitch spacing of 2.54 mm and 54 positions arranged in two rows. It features a square post design with a post height that varies depending on the specific configuration. The header is constructed from black liquid crystal polymer for the insulator and phosphor bronze for the terminals, with plating options including gold and tin over nickel. This connector is rated for a voltage of 475 VAC when mated with compatible connectors such as BCS or SSM. It supports operating temperatures ranging from -55 ¬8C to +105 ¬8C with tin plating and up to +125 ¬8C with gold plating. The product is RoHS compliant and lead-free solderable, making it suitable for environmentally conscious applications. The TSM header is designed for high mating cycles and extended life, making it a reliable choice for board-to-board connections. It is compatible with various board and cable mates, enhancing its versatility in different applications.