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| PartNumber | 749721-1 | 749721-3 | 749721-5 |
| Description | D-Sub Standard Connectors VERT RECPT HDR 20P | D-Sub Standard Connectors VERT SHIELDED RECPT | D-Sub Standard Connectors 50 POS VERT RCPT ASY |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | D-Sub Standard Connectors | D-Sub Standard Connectors | D-Sub Standard Connectors |
| RoHS | N | N | N |
| Number of Positions | 20 Position | 28 Position | 50 Position |
| Number of Rows | 2 Row | - | - |
| Filtered | Unfiltered | Unfiltered | Unfiltered |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Product Type | D-Sub Connectors - Standard Density | D-Sub Connectors - Standard Density | D-Sub Connectors - Standard Density |
| Factory Pack Quantity | 16 | 13 | 10 |
| Subcategory | D-Sub Connectors | D-Sub Connectors | D-Sub Connectors |
| Contact Gender | - | Socket (Female) | Socket (Female) |
| Packaging | - | Tube | Tube |
| Gender | - | Female | Female |
| Type | - | Receptacle | Receptacle |
| Series | - | Series III | Series III |
| Contact Material | - | Brass | Phosphor Bronze |
| Tradename | - | AMPLIMITE | AMPLIMITE |
| Part # Aliases | - | 749721-3 | 749721-5 |
| Termination Style | - | - | Through Hole |
| Contact Plating | - | - | Gold |
| Shell Material | - | - | Steel |
| Shell Plating | - | - | Tin over Copper |