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| PartNumber | 189-037-413R451 | 189-037-413R491 | 189-037-413R481 |
| Description | D-Sub Dualport Connectors RA 37POS ML/FEM 5A | D-Sub Dualport Connectors RA 37POS ML/FEM 5A | D-Sub Dualport Connectors RA 37POS ML/FEM 5A |
| Manufacturer | NorComp | NorComp | Norcomp Inc. |
| Product Category | D-Sub Dualport Connectors | D-Sub Dualport Connectors | D-Sub Connectors |
| RoHS | Y | Y | - |
| Gender | Male / Female | Male / Female | - |
| Number of Rows per Port | 2 | 2 | - |
| Number of Positions / Contacts per Port | 37 | 37 | - |
| Termination Style | Through Hole | Through Hole | - |
| Contact Plating | Gold | Gold | - |
| Current Rating | 5 A | 5 A | - |
| Mounting Angle | Right | Right | - |
| Filtered | Unfiltered | Unfiltered | - |
| Series | 189 | 189 | 189 |
| Brand | NorComp | NorComp | - |
| Contact Material | Brass | Brass | - |
| Number of Ports | 2 Port | 2 Port | - |
| Shell Plating | 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 | - |
| Factory Pack Quantity | 20 | 20 | - |
| Subcategory | D-Sub Connectors | D-Sub Connectors | - |
| Packaging | - | - | Tray |
| Termination | - | - | Solder |
| Mounting Type | - | - | Board Edge, Through Hole, Right Angle |
| Features | - | - | Grounding Indents, Shielded |
| Ingress Protection | - | - | - |
| Connector Type | - | - | Plug, Male Pins; 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 | - | - | 4 (DC, C); 4 (DC, C) |