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| PartNumber | FX4B3-80S-1.27SV(71) | FX4BH-20P-1.27SV(71) | FX4BH-20S-1.27SV(71) |
| Description | Board to Board & Mezzanine Connectors 80P STRT SMT RECEPT LOC BOSS GLD PLT | Board to Board & Mezzanine Connectors 20P STRT SMT HEADER LOC BOSS GLD PLT | Board to Board & Mezzanine Connectors 20P STRT SMT RECEPT LOC BOSS GLD PLT |
| Manufacturer | Hirose Electric Co Ltd | - | Hirose Electric Co Ltd |
| Product Category | Rectangular - Board to Board Connectors - Arrays, Edge Type, Mezzanine | - | Rectangular - Board to Board Connectors - Arrays, Edge Type, Mezzanine |
| Series | FX4 | - | FX4 |
| Packaging | Tray | - | Tray |
| Mounting Type | Surface Mount | - | Surface Mount |
| Features | Board Guide | - | Board Guide |
| Height Above Board | 0.275" (6.99mm) | - | 0.177" (4.50mm) |
| Connector Type | Receptacle, Center Strip Contacts | - | Receptacle, Center Strip Contacts |
| Contact Finish | Gold | - | Gold |
| Contact Finish Thickness | 8μin (0.20μm) | - | 8μin (0.20μm) |
| Number of Positions | 80 | - | 20 |
| Pitch | 0.050" (1.27mm) | - | 0.050" (1.27mm) |
| Number of Rows | 2 | - | 2 |
| Mated Stacking Heights | - | - | - |