5177984-9 is a 180-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 supports various stacking heights when paired with compatible receptacles. Key dimensions include A: 71.20mm (2.803"), B: 77.80mm (3.063"), and C: 76.20mm (3.000"). The connector operates over a temperature range of -40°C to +85°C and is rated for 500 VAC dielectric withstanding voltage for 1 minute. This RoHS compliant connector is ideal for high-density interconnect applications in electronics requiring reliable parallel board connections.