Introducing the ECM18DRSI, a high-performance board-to-board PCB connector designed for critical applications. Crafted with precision, this connector features a gendered female interface with two rows for secure and efficient connections. The threaded mount type ensures stability, while the termination method of thru-hole soldering guarantees reliable conductivity. Made with a combination of PBT and phosphor bronze, it offers exceptional durability. The contact material is plated with gold for optimal signal transmission, even in demanding environments. With a pitch of 3.96mm and a voltage rating of 950 VAC, it meets stringent industry standards. The loop bellow contact type and straight orientation further enhance its functionality, accommodating 36 positions with a tail length of 4.83mm. Operating seamlessly in temperatures ranging from -65 to 125°C, this connector is a dependable choice for mission-critical systems. Its compact design, with dimensions of 15.49mm in height and 9.4mm in width, allows for space-efficient PCB layouts. Termination plating with matte tin offers additional protection against corrosion. Classified under the hi-rel category, the ECM18DRSI is a top-tier solution for aerospace, defense, and other high-reliability applications.