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| PartNumber | L77TWC21WA4SEP3SV | L77TWC21WA4SEP3SV4RRM6 | L77TWC21WA4SEP2SV4RRM6 |
| Description | D-Sub Mixed Contact Connectors 21WA4 Sz C R/A Skt 20-40A Power/Signal | D-Sub Mixed Contact Connectors COMBO D SUB | D-Sub Mixed Contact Connectors 4P RA FEMALE HYBRID |
| Manufacturer | Amphenol | - | Amphenol Commercial Products |
| Product Category | D-Sub Mixed Contact Connectors | - | D-Sub Connectors |
| RoHS | Y | - | - |
| Contact Arrangement | 21WA4 | - | 21WA4 |
| 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, Right Angle |
| Features | - | - | Board Lock, Mounting Brackets |
| 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 | - | - | 4 (DC, C) - 21WA4 |