5-5179009-5 is a 0.8mm pitch fine pitch SMT stacking receptacle connector designed for parallel board-to-board applications. This connector features 120 positions with 8µ" gold plating and is part of the Free Height (FH) connector series, enabling various stacking heights from 9mm to 12mm when paired with compatible plugs. The connector has dimensions of A: 47.20mm (1.858"), B: 53.80mm (2.118"), and C: 52.20mm (2.055"). It is available in tube packaging with pickup cap and is RoHS compliant. This connector is ideal for high-density interconnect applications requiring reliable parallel board-to-board connections in compact electronic assemblies.