2-5179230-3 is a fine pitch SMT stacking connector plug designed for parallel board-to-board applications. This 80-position connector features 8µ" gold plating and is supplied in tube packaging with a pickup cap for automated assembly. The connector has dimensions of A: 31.20 mm (1.228 in), B: 37.80 mm (1.488 in), and C: 36.20 mm (1.425 in). It is part of the TE Connectivity/AMP fine pitch SMT stacking connector series, which is RoHS compliant. These connectors are commonly used in applications requiring reliable parallel board-to-board interconnections with various stacking height options.