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| PartNumber | 87021-625TR | 87021-625LF | 87021-625 |
| Description | Board to Board & Mezzanine Connectors RIB CAGE II VCC S.M. | Board to Board & Mezzanine Connectors 50P SMT PCB RECEPT NO MATE POLARIZATION | Board to Board & Mezzanine Connectors RIB CAGE II VCC S.M. |
| Manufacturer | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Product Category | Rectangular - Board to Board Connectors - Headers, Receptacles, Female Sockets | Rectangular - Board to Board Connectors - Headers, Receptacles, Female Sockets | Rectangular - Board to Board Connectors - Headers, Receptacles, Female Sockets |
| Color | Natural | Natural | Natural |
| Series | Rib-Cage, MezzSelect | Rib-Cage, MezzSelect | Rib-Cage, MezzSelect |
| Packaging | Tape & Reel (TR) | Tube | Tube |
| Termination | Solder | Solder | Solder |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Features | - | - | - |
| Height Above Board | 0.187" (4.75mm) | 0.187" (4.75mm) | 0.187" (4.75mm) |
| Connector Type | Receptacle | Receptacle | Receptacle |
| Contact Finish | Gold or Gold, GXT | Gold or Gold, GXT | Gold or Gold, GXT |
| Contact Finish Thickness | 30μin (0.76μm) | 30μin (0.76μm) | 30μin (0.76μm) |
| Number of Positions | 50 | 50 | 50 |
| Number of Positions Loaded | All | All | All |
| Pitch | 0.050" (1.27mm) | 0.050" (1.27mm) | 0.050" (1.27mm) |
| Number of Rows | 2 | 2 | 2 |
| Row Spacing | 0.050" (1.27mm) | 0.050" (1.27mm) | 0.050" (1.27mm) |
| Height Stacking Mating | - | - | - |