644180-8 is an MTA-100 series header connector designed for wire-to-board applications. This 13-position vertical mount header features 2.54 mm contact centerline spacing and a friction lock mating mechanism for secure connections. The connector utilizes tin-plated copper alloy contacts with a square contact shape and 0.64 mm post size, supporting PCB thicknesses of 1.60 mm. Rated for 250 VAC with a UL 94V-0 flammability rated thermoplastic polyester housing, it is wave solder capable up to 265°C. This RoHS/ELV compliant header is ideal for reliable wire-to-board interconnections in various electronic assemblies.