D-Sub PCB Straight Connectors MHDD SeriesA range of D-Sub MHDD Series and MHDD-M Series Straight PCB Mount Plug and Socket connectors with stamped steel Tin plated shells with Ø3 mm holes.The Insulator material for these MHDD Series and MHDD-M Series Straight PCB Mount Plug and Socket connectors is UL 94V-0 glass filled Polyester.The Copper alloy, selective Gold over Nickel plated, terminals of these Straight PCB Mount Plug and Socket connectors are manufactured as follows:MHDD Series:787-3915 stamped and formed pin 9 way787-3919 stamped and formed receptacle 9 way787-3928 stamped and formed pin 15 way787-3921 stamped and formed receptacle 15 way787-3925 stamped and formed pin 25 way787-3934 stamped and formed receptacle 25 wayMHDD-M Series:787-3959 machined pin 9 way787-3953 machined receptacle 9 way787-3965 machined receptacle 15 way787-3978 machined receptacle 25 wayMH - D-Sub Connectors