The 5806 Series are Board to Board Connectors with a fine pitch of 0.4mm and an ultra-low stacking height of 0.6mm (between boards). These products feature the width of 1.9mm on the short side, which contributes to downsizing in small electronic equipment. An original locking structure generates a firm 'click' sound and enhances the retention force despite the slim and low profile, and peeling strength against printed circuit boards is strengthened by equipping metal tabs. In addition, a pinching structure (two-point contact design) has been adopted to enhance resistance to vibrations and drop shocks, thus ensuring high contact reliability.