| PartNumber | 91901-31125 | 91901-31121LF | 91901-31121 |
| Description | Board to Board & Mezzanine Connectors 25P SMT HDR | Board to Board & Mezzanine Connectors 21P VERT PLUG SMT 4.15MM MATED HEIGHT | Board to Board & Mezzanine Connectors 91901-31121-CONAN HEADER |
| 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 | N | Y | N |
| Product | Accessories | - | Plugs |
| Number of Positions | 25 Position | 21 Position | 21 Position |
| Pitch | 1 mm | 1 mm | 1 mm |
| Termination Style | SMD/SMT | - | SMD/SMT |
| Current Rating | 1 A | 1 A | 1 A |
| Voltage Rating | 500 V | 500 V | 500 V |
| Packaging | Reel | Reel | Reel |
| Contact Plating | GXT | GXT | GXT |
| Housing Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
| Brand | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Contact Material | Copper Alloy | Copper Alloy | Copper Alloy |
| Compliance | UL, CSA | - | - |
| Product Type | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Stack Height | 4.15 mm | 4.15 mm | 4.15 mm |
| Factory Pack Quantity | 800 | 800 | 800 |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Tradename | Conan | Conan | Conan |
| Part # Aliases | - | 9190131121LF | 9190131121 |
| Number of Rows | - | - | 2 Row |
| Mounting Angle | - | - | Vertical |