Vertical Surfacemount Shielded Receptacles These 3M 102 Series Mini D Ribbon (MDR) Surfacemount Vertical Shielded Receptacles have a 0.050 inch (1.27 mm) pitch. The design of these 102 Series Mini D Ribbon (MDR) Surfacemount Vertical Shielded Receptacles includes an interface latch for improved stability. The material of the main body of these 102 Series Mini D Ribbon (MDR) Surfacemount Vertical Shielded Receptacles is metal. The threaded holes in these 102 Series Mini D Ribbon (MDR) Surfacemount Vertical Shielded Receptacles can be utilized for board or panel mounting.