5177986-5 is a 120-position fine pitch SMT stacking plug connector designed for parallel board-to-board applications. This connector features a 0.8mm pitch with 8µ" gold plating on contacts and is supplied in tape and reel packaging for automated assembly. The connector has dimensions of A: 47.20mm (1.858"), B: 53.80mm (2.118"), and C: 52.20mm (2.055"). It is part of the Free Height (FH) connector series that supports various stacking heights ranging from 5mm to 16mm when paired with compatible receptacles. This RoHS compliant connector is ideal for compact electronic designs requiring reliable board-to-board interconnections.