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| PartNumber | 91910-21521 | 91910-21521LF | 91910-21525 |
| Description | Board to Board & Mezzanine Connectors 21POS VERT PLUG | Board to Board & Mezzanine Connectors 21POS VERT PLUG | CONN HDR 25POS SMD GOLD |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | - |
| Product Category | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | - |
| RoHS | N | Y | - |
| Number of Positions | 21 Position | 21 Position | - |
| Pitch | 1 mm | 1 mm | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Current Rating | 1 A | 1 A | - |
| Voltage Rating | 500 V | 500 V | - |
| Packaging | Tube | Tube | - |
| Contact Plating | GXT | GXT | - |
| Housing Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | - |
| Brand | Amphenol FCI | Amphenol FCI | - |
| Contact Material | Copper Alloy | Copper Alloy | - |
| Product Type | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | - |
| Stack Height | 7 mm | 7 mm | - |
| Factory Pack Quantity | 39 | 39 | - |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | - |
| Tradename | Conan | Conan | - |
| Product | - | Plugs | - |
| Number of Rows | - | 2 Row | - |
| Mounting Angle | - | Vertical | - |
| Part # Aliases | - | 9191021521LF | - |