Archer M50 1.27mm Pitch B2B Connectors Harwin Archer M50 1.27mm Pitch B2B Connectors feature a range of cable-to-board and board-to-board connectors, on 1.27mm (0.05″) pitch. The M50 series includes surface-mount or through-board PCB connectors and IDC cable connectors. Harwin Archer M50 1.27mm Pitch B2B Connectors offers a wide variety of mating heights (sockets from 2.2mm to 8.5mm) in SIL and DIL styles. Harwin Archer M50 products include Jumper Sockets and Shunts designed specifically for the 1.27mm pitch Archer M50 pin header series. The Archer M50 Jumper Sockets and Shunts are stackable and feature a twin-beam contact system for cost-effective reliability. These multi-use sockets / shunts provide up to 300 operations and are available with or without handles in a choice of colors.