| 494-8025-061 |  | Amphenol Communications Solutions | VHDM-HSD™, Backplane connectors, Vertical Orientation, Press Fit Termination, 8 Row HSD, 25 positions, open, adv mate, 4.75mm (0.187in), Header. | PDF |  | 
| 75844-802-50LF |  | Amphenol Communications Solutions | BergStik®, Board to Board connector, Unshrouded vertical  header, Through Hole, Double Row, 50  Positions, 2.54mm (0.100in) Pitch. | PDF |  | 
| 494-8025-063 |  | Amphenol Communications Solutions | VHDM-HSD™, Backplane connectors, Vertical Orientation, Press Fit Termination, 8 Row HSD, 25 positions, open, adv mate, 4.25mm (0.167in), Header. | PDF |  | 
| 494-8025-064 |  | Amphenol Communications Solutions | VHDM-HSD™, Backplane connectors, Vertical Orientation, Press Fit Termination, 8 Row HSD, 25 positions, open, adv mate, 5.15mm (0.202in), Header. | PDF |  | 
| 68648-025 |  | Amphenol Communications Solutions | 68648-025-CUSTOMER HDR | PDF |  |