The 281838-5 is a receptacle connector housing designed for .100 AMPMODU modular header systems, featuring socket-type contacts and a 2.54 mm centerline spacing. This single-row housing is engineered to accommodate HE 13-14 COSI contacts and complies with IEC 60603-8 standards for board-to-board interconnection applications. The product is manufactured to EU RoHS/ELV compliance standards, ensuring environmental and regulatory adherence. This connector housing is commonly used in modular electronic assemblies where reliable, standardized interconnection between printed circuit boards is required, offering flexibility through its modular design approach.