Introducing the HBC20DKMS, a high-performance board-to-board PCB connector designed for demanding applications. This connector features two rows for secure and reliable connectivity, with a side hole mount type for easy installation. The termination method using wire wrap ensures a robust connection. Constructed with PBT and Beryllium Copper materials, it offers excellent durability. The gold-plated Beryllium Copper contacts provide optimal conductivity, suitable for a wide range of environments. With a pitch of 2.54mm and a maximum voltage rating of 700 VAC, it meets stringent industry standards. The cantilever contact type and straight orientation further enhance its functionality. With 40 positions and a tail length of 14.22mm, it offers versatility in PCB layouts. Operating efficiently in temperatures ranging from -65 to 125°C, it is ideal for harsh environments. The compact design, with a height of 15.49mm and width of 9.4mm, allows for space-saving integration. Terminated with matte tin plating, it ensures long-term reliability. This connector, categorized under Hi-Rel, is the perfect choice for aerospace, defense, and other mission-critical applications.