| PartNumber | 5555140-4 | 5555140-2 | 5555140-1 |
| Description | Modular Connectors / Ethernet Connectors RJ25 1X1 SE TH SHD STD C3 LOW PRO | Modular Connectors / Ethernet Connectors 1X1 6/4 R/A LPRO | Modular Connectors / Ethernet Connectors 1X1 6/6 R/A LPRO |
| Manufacturer | TE Connectivity | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors |
| Product Category | Modular Connectors / Ethernet Connectors | Modular Connectors - Jacks | Modular Connectors - Jacks |
| RoHS | Y | - | - |
| Product | Modular Jacks | - | - |
| USOC Codes | RJ25 | - | - |
| Number of Positions | 6 Position | - | - |
| Number of Ports | 1 Port | 1 | 1 |
| Performance Category | Cat 3 | - | - |
| Mounting Angle | Right Angle | - | - |
| Termination Style | Through Hole | - | - |
| Shielding | Shielded | Shielded, EMI Finger | Shielded, EMI Finger |
| Color | Black | - | - |
| Packaging | Tray | Tray | Tray |
| Contact Plating | Gold | - | - |
| Housing Material | Polybutylene Terephthalate (PBT) | - | - |
| Brand | TE Connectivity / AMP | - | - |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze |
| Flammability Rating | UL 94 V-0 | - | - |
| Product Type | Modular Connectors / Ethernet Connectors | - | - |
| Factory Pack Quantity | 152 | - | - |
| Subcategory | Modular Connectors / Ethernet Connectors | - | - |
| Part # Aliases | 5555140-4 | - | - |
| Series | - | - | - |
| Termination | - | Solder | Solder |
| Mounting Type | - | Through Hole | Through Hole |
| Features | - | Board Lock, Panel Stops | Board Lock, Panel Stops |
| Ingress Protection | - | - | - |
| Connector Type | - | Jack | Jack |
| Ratings | - | Cat3 | Cat3 |
| Orientation | - | 90° Angle (Right) | 90° Angle (Right) |
| Contact Finish | - | Gold | Gold |
| Number of Rows | - | 1 | 1 |
| Number of Positions Contacts | - | 6p4c (RJ11, RJ14) | 6p6c (RJ11, RJ12, RJ14, RJ25) |
| Tab Direction | - | Down | Down |
| LEDColor | - | Does Not Contain LED | Does Not Contain LED |