 | |  | |
| PartNumber | QMS-078-01-SL-D-RA-K | QMS-078-01-SL-D-EM2-PC8 | QMS-078-01-SL-D-EM2 |
| Description | Board to Board & Mezzanine Connectors 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip | Board to Board & Mezzanine Connectors 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip | .635MM DOUBLE ROW TERMINAL STRIP |
| Manufacturer | Samtec | Samtec | - |
| Product Category | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | - |
| RoHS | Y | Y | - |
| Product | Headers | Headers | - |
| Number of Positions | 156 Position | 172 Position | - |
| Pitch | 0.635 mm | 0.635 mm | - |
| Number of Rows | 2 Row | 2 Row | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Mounting Angle | Straight | Straight | - |
| Current Rating | 2.6 A | 2.6 A | - |
| Voltage Rating | 300 VAC | 300 VAC | - |
| Series | QMS | QMS | - |
| Packaging | Tray | Tray | - |
| Application | Power, Signal | Power, Signal | - |
| Contact Plating | Gold | Gold | - |
| Housing Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | - |
| Brand | Samtec | Samtec | - |
| Contact Material | Phosphor Bronze | Phosphor Bronze | - |
| Mounting Style | SMD | SMD | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Product Type | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | - |
| Stack Height | 10 mm | 10 mm | - |
| Factory Pack Quantity | 16 | 26 | - |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | - |
| Tradename | Q2 | Q2 | - |