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| PartNumber | L777TWC21WA4PHCSV4R | L777TWC21WA4PMCSV4RR770 | L777TWC21WA4P |
| Description | D-Sub Mixed Contact Connectors D-SUB HYBRID | D-Sub Mixed Contact Connectors D-SUB HYBRID | D-Sub Mixed Contact Connectors D-SUB HYBRID |
| Manufacturer | Amphenol | Amphenol | Amphenol Commercial Products |
| Product Category | D-Sub Mixed Contact Connectors | D-Sub Mixed Contact Connectors | D-Sub Connectors |
| RoHS | Y | Y | - |
| Contact Arrangement | 21WA4 | 21WA4 | 21WA4 |
| Packaging | Tray | Tray | Tray |
| Filtered | Unfiltered | Unfiltered | - |
| Brand | Amphenol Commercial Products | Amphenol Commercial Products | - |
| Product Type | Mixed Contact D-Sub Connectors | Mixed Contact D-Sub Connectors | - |
| Factory Pack Quantity | 50 | 50 | - |
| Subcategory | D-Sub Connectors | D-Sub Connectors | - |
| Series | - | - | TW |
| Termination | - | - | Solder Cup |
| Mounting Type | - | - | Free Hanging (In-Line) |
| Features | - | - | Grounding Indents |
| Ingress Protection | - | - | - |
| Connector Type | - | - | Plug, Male Pins |
| Contact Finish | - | - | Nickel |
| Contact Finish Thickness | - | - | 30μin (0.76μm) |
| Number of Positions | - | - | |
| Number of Rows | - | - | 2 |
| Connector Style | - | - | D-Sub, Combo |
| Contact Type | - | - | Signal and Power |
| Flange Feature | - | - | Housing/Shell (Unthreaded) |
| Shell Material Finish | - | - | Steel, Tin Plated |
| Shell Size Connector Layout | - | - | 4 (DC, C) - 21WA4 |