5917631-2 is a 60-position board-to-board plug assembly from TE Connectivity's .050 CHAMP Series, designed for reliable interconnection between printed circuit boards. This vertical-mount connector features a 1.27 mm (0.05 in) centerline pitch with dual-row configuration and gold-plated contact mating areas for optimal signal integrity. The plug utilizes through-hole termination with a termination post length of 3.1 mm and socket-type contacts with copper alloy base material and tin-plated solder tails. Housed in a black thermoplastic body rated UL 94V-0 for flammability, the connector stands 7 mm in height and is EU RoHS and ELV compliant. This connector is ideal for board-to-board applications requiring compact, high-density interconnections and is designed for use with compatible receptacle assemblies.