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| PartNumber | L77TWB9W4SP2SYRM54 | L77TWB9W4SP2SYRM54A514 | L77TWB9W4SP2SYRM53 |
| Description | D-Sub Mixed Contact Connectors COMBO D SUB | D-Sub Mixed Contact Connectors COMBO D SUB | D-Sub Mixed Contact Connectors 9W4 Sz B Strt Socket 10-20A Power/Signal |
| Manufacturer | Amphenol | Amphenol Commercial Products | - |
| Product Category | D-Sub Mixed Contact Connectors | D-Sub Connectors | - |
| Packaging | Tray | Tray | - |
| Filtered | Unfiltered | - | - |
| Brand | Amphenol Commercial Products | - | - |
| Product Type | Mixed Contact D-Sub Connectors | - | - |
| Factory Pack Quantity | 50 | - | - |
| Subcategory | D-Sub Connectors | - | - |
| Series | - | TW | - |
| Termination | - | Solder | - |
| Mounting Type | - | Through Hole | - |
| Features | - | Board Lock, Guide Pin | - |
| Ingress Protection | - | - | - |
| Connector Type | - | Receptacle, Female Sockets | - |
| Contact Finish | - | Nickel | - |
| Contact Finish Thickness | - | 16μin (0.40μm) | - |
| Number of Positions | - | - | |
| Number of Rows | - | 2 | - |
| Connector Style | - | D-Sub, Combo | - |
| Contact Type | - | Signal and Power | - |
| Flange Feature | - | Board Side (4-40) | - |
| Shell Material Finish | - | Steel, Tin Plated | - |
| Shell Size Connector Layout | - | 3 (DB, B) - 9W4 | - |