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| PartNumber | 178-025-513R451 | 178-025-512-571 | 178-025-513R481 |
| Description | D-Sub Dualport Connectors RA 25POS FEM/FEM 5A | D-Sub Dualport Connectors DB25F RT ANGLE DUAL | D-Sub Dualport Connectors RA 25POS FEM/FEM 5A |
| Manufacturer | NorComp | NorComp | Norcomp Inc. |
| Product Category | D-Sub Dualport Connectors | D-Sub Dualport Connectors | D-Sub Connectors |
| RoHS | Y | N | - |
| Gender | Female / Female | Female / Female | Female / Female |
| Number of Rows per Port | 2 / 2 | - | 2 / 2 |
| Number of Positions / Contacts per Port | 25 | - | - |
| Termination Style | Through Hole | - | Through Hole |
| Contact Plating | Gold | Gold | Gold |
| Current Rating | 5 A | 5 A | 5 A |
| Mounting Angle | Right | Right | Right |
| Filtered | Unfiltered | Unfiltered | - |
| Series | 178 | 178 | 178 |
| Brand | NorComp | NorComp | - |
| Contact Material | Brass | - | Brass |
| Number of Ports | 2 Port | - | 2 Port |
| Shell Plating | Nickel | - | Nickel |
| Maximum Operating Temperature | + 105 C | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Product Type | Dual Port D-Sub Connectors | Dual Port D-Sub Connectors | - |
| Shell Material | Steel | Steel | Steel |
| Factory Pack Quantity | 25 | 50 | - |
| Subcategory | D-Sub Connectors | D-Sub Connectors | - |
| Packaging | - | - | Tray |
| Operating Temperature Range | - | - | - 55 C to + 105 C |
| Termination | - | - | Solder |
| Mounting Type | - | - | Board Edge, Through Hole, Right Angle |
| Features | - | - | Shielded |
| Ingress Protection | - | - | - |
| Connector Type | - | - | Receptacle, Female Sockets |
| Contact Finish | - | - | Gold |
| Contact Finish Thickness | - | - | Flash |
| Number of Positions | - | - | |
| Number of Rows | - | - | |
| Connector Style | - | - | D-Sub - Stacked |
| Contact Type | - | - | Signal |
| Flange Feature | - | - | Mating Side, Female Screwlock (4-40) |
| Shell Material Finish | - | - | Steel, Nickel Plated |
| Shell Size Connector Layout | - | - | 3 (DB, B); 3 (DB, B) |
| Number of Positions Contacts per Port | - | - | 25 |