5552118-1 is a 50-position vertical mount PCB receptacle connector from the CHAMP-LOK series. This connector features a thermoplastic housing with a UL 94V-0 flammability rating and copper alloy contacts with gold over nickel plating in the mating area. The solder tails are tin-plated and the connector is wave solder capable up to 265°C. The housing and bracket materials are thermoplastic with a black color finish. This RoHS and ELV compliant connector is suitable for printed circuit board applications requiring reliable high-density interconnections.