5353999-3 is a fine pitch SMT stacking connector designed for parallel board-to-board applications. This connector features 80 positions with 30µ" gold plating for reliable electrical contact. Key dimensions include A: 31.20 mm (1.228 in), B: 37.80 mm (1.488 in), and C: 36.20 mm (1.425 in), with a 0.8 mm typical pitch. The connector is supplied in tape and reel packaging, making it suitable for automated pick-and-place assembly processes. It is ideal for applications requiring compact, high-density interconnections between parallel circuit boards in electronic devices.