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| PartNumber | 189-037-613R491 | 189-037-613R451 | 189-037-613R481 |
| 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 Inc. | Norcomp Inc. |
| Product Category | D-Sub Dualport Connectors | D-Sub Connectors | D-Sub Connectors |
| RoHS | Y | - | - |
| Gender | Male / Male | - | Male / Male |
| Number of Rows per Port | 2 | - | 2 |
| Number of Positions / Contacts per Port | 37 | - | - |
| Termination Style | Through Hole | - | Through Hole |
| Contact Plating | Gold | - | Gold |
| Current Rating | 5 A | - | 5 A |
| Mounting Angle | Right | - | Right |
| Filtered | Unfiltered | - | - |
| Series | 189 | 189 | 189 |
| Brand | 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 | - | - |
| Shell Material | Steel | - | Steel |
| Factory Pack Quantity | 20 | - | - |
| Subcategory | D-Sub Connectors | - | - |
| Packaging | - | Tray | Tray |
| Termination | - | Solder | Solder |
| Mounting Type | - | Board Edge, Through Hole, Right Angle | Board Edge, Through Hole, Right Angle |
| Features | - | Grounding Indents, Shielded | Grounding Indents, Shielded |
| Ingress Protection | - | - | - |
| Connector Type | - | Plug, Male Pins | Plug, Male Pins |
| Contact Finish | - | Gold | Gold |
| Contact Finish Thickness | - | Flash | Flash |
| Number of Positions | - | ||
| Number of Rows | - | ||
| Connector Style | - | D-Sub - Stacked | D-Sub - Stacked |
| Contact Type | - | Signal | Signal |
| Flange Feature | - | Housing/Shell (4-40) | Mating Side, Female Screwlock (4-40) |
| Shell Material Finish | - | Steel, Nickel Plated | Steel, Nickel Plated |
| Shell Size Connector Layout | - | 4 (DC, C); 4 (DC, C) | 4 (DC, C); 4 (DC, C) |
| Operating Temperature Range | - | - | - 55 C to + 105 C |
| Number of Positions Contacts per Port | - | - | 37 |