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| PartNumber | 178-037-613R481 | 178-037-613R491 | 178-037-613R451 |
| Description | D-Sub Dualport Connectors RA 37POS ML/ML 5A | D-Sub Dualport Connectors RA 37POS ML/ML 5A | D-Sub Dualport Connectors RA 37POS ML/ML 5A |
| Manufacturer | NorComp | NorComp | Norcomp Inc. |
| Product Category | D-Sub Dualport Connectors | D-Sub Dualport Connectors | D-Sub Connectors |
| RoHS | Y | Y | - |
| Gender | Male / Male | Male / Male | Male / Male |
| Number of Rows per Port | 2 / 2 | 2 / 2 | 2 / 2 |
| Number of Positions / Contacts per Port | 37 | 37 | - |
| Termination Style | Through Hole | 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 | Brass |
| Number of Ports | 2 Port | 2 Port | 2 Port |
| Shell Plating | Nickel | Nickel | Nickel |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Product Type | Dual Port D-Sub Connectors | Dual Port D-Sub Connectors | - |
| Shell Material | Steel | Steel | Steel |
| Subcategory | D-Sub Connectors | D-Sub Connectors | - |
| Factory Pack Quantity | - | 20 | - |
| Unit Weight | - | 2 oz | - |
| Packaging | - | - | Tray |
| Operating Temperature Range | - | - | - 55 C to + 105 C |
| Termination | - | - | Solder |
| Mounting Type | - | - | Board Edge, Through Hole, Right Angle |
| Features | - | - | Grounding Indents, Shielded |
| Ingress Protection | - | - | - |
| Connector Type | - | - | Plug, Male Pins |
| Contact Finish | - | - | Gold |
| Contact Finish Thickness | - | - | Flash |
| Number of Positions | - | - | |
| Number of Rows | - | - | |
| Connector Style | - | - | D-Sub - Stacked |
| Contact Type | - | - | Signal |
| Flange Feature | - | - | Housing/Shell (4-40) |
| Shell Material Finish | - | - | Steel, Nickel Plated |
| Shell Size Connector Layout | - | - | 4 (DC, C); 4 (DC, C) |
| Number of Positions Contacts per Port | - | - | 37 |