The 178964-6 is a free-hanging tab housing connector from TE Connectivity's Dynamic Series, designed for double-row standard applications with a 3.81 mm pin pitch. This 12-position connector features a black housing with an L-bracket mounting configuration and is available with gold or tin plating options on the board-mounting header. The external dimensions are 37.0 mm (dimension A), with additional dimensions of 33.6 mm (B) and 17.8 mm (C) for the tab housing panel type variant. This connector is commonly used in industrial control systems, power distribution panels, and high-voltage applications where reliable wire-to-board or board-to-board connections are required, offering robust mechanical features and excellent electrical performance.