3-5177986-8 is a 160-position fine pitch SMT stacking plug connector designed for parallel board-to-board applications. This connector features a 0.8mm pitch and 8µ" gold plating on the contact area, with brass contacts that are duplex plated including nickel underplating. The connector has dimensions of A: 63.20mm (2.488"), B: 69.80mm (2.748"), and C: 68.20mm (2.685"), and is supplied in tape and reel packaging for automated assembly. It supports various stacking heights when paired with compatible receptacles, making it suitable for compact electronic assemblies requiring reliable board-to-board interconnections.