3-1827231-6 is a fine pitch SMT stacking receptacle connector designed for parallel board-to-board applications. This 440-position connector features a 0.5mm pitch with a 4mm height and bridge (B) type configuration, incorporating ground contacts (G-Con) for enhanced signal integrity. Key dimensions include A: 54.50mm (2.146"), B: 61.80mm (2.433"), C: 3.25mm (0.128"), D: 62.80mm (2.472"), E: 6.20mm (0.244"), and F: 6.00mm (0.236"). The connector is rated for an operating temperature range of -40°C to +85°C, with a current rating of 0.5A, voltage rating of 50 VAC, and durability of 30 mating cycles. It is supplied in hard tray packaging with pickup cap and is RoHS compliant, making it suitable for computer, telecommunications, and industrial applications.