178289-6 is a double-row receptacle housing connector from the D-3100D Dynamic Series designed for wire-to-board applications. This connector features a 3.81mm pin pitch, 12 positions, X key configuration, and black color housing with dimension A of 35.8mm. The product is RoHS compliant and compatible with various mating tab housings and board-mounting headers. It is commonly used in industrial applications where reliable wire-to-board connections are required.