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| PartNumber | 71991-406LF | 71991-403HLF | 71991-408LF |
| Description | Board to Board & Mezzanine Connectors 12P BtB RECPT DR TMT TIN/NI VERTICAL | Board to Board & Mezzanine Connectors DUBOX VCC DR | Board to Board & Mezzanine Connectors 16P BtB RECPT DR TMT TIN/NI VERTICAL |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | FCI / Amphenol |
| Product Category | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| RoHS | Y | Y | Y |
| Product | Receptacles | Receptacles | Receptacles |
| Number of Positions | 12 Position | - | 16 Position |
| Pitch | 2.54 mm | - | 2.54 mm |
| Number of Rows | 2 Row | - | 2 Row |
| Mounting Angle | Vertical | - | Vertical |
| Current Rating | 3 A | - | 3 A |
| Voltage Rating | 1 kV | - | 1 kV |
| Series | Dubox | Dubox | Dubox |
| Packaging | Tube | Tube | Tube |
| Contact Plating | Tin | - | Tin |
| Housing Material | Thermoplastic | - | Thermoplastic |
| Brand | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Contact Material | Phosphor Bronze | - | Phosphor Bronze |
| Product Type | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Factory Pack Quantity | 38 | 77 | 29 |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Tradename | DUBOX | DUBOX | DUBOX |
| Part # Aliases | 71991406LF | 71991403HLF | 71991408LF |