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| PartNumber | 51939-180LF | 51939-181 | 51939-180 |
| Description | Power to the Board 51939-180LF-PWRBLADE R/A HDR | Power to the Board 552-5E8F-PWRBLADE HEADER - RIGHT ANGLE | Power to the Board 552-5E8F-PWRBLADE HEADER - RIGHT ANGLE |
| Manufacturer | FCI / Amphenol | - | Amphenol FCI |
| Product Category | Power to the Board | - | Backplane Connectors - Specialized |
| RoHS | Y | - | - |
| Product Type | Power to the Board | - | - |
| Series | PwrBlade | - | PwrBladeR |
| Packaging | Tray | - | Tray |
| Brand | Amphenol FCI | - | - |
| Factory Pack Quantity | 33 | - | - |
| Subcategory | Power Connectors | - | - |
| Tradename | PwrBlade | - | - |
| Part # Aliases | 51939180LF | - | - |
| Color | - | - | Black |
| Termination | - | - | Solder |
| Mounting Type | - | - | Board Edge, Through Hole, Right Angle |
| Features | - | - | Mating Guide |
| Connector Type | - | - | Header, Male Pins and Blades |
| Contact Finish | - | - | Gold or Gold, GXT |
| Contact Layout Typical | - | - | 24 Signal, 7 Power |
| Contact Finish Thickness | - | - | 30μin (0.76μm) |
| Number of Positions | - | - | 31 |
| Number of Positions Loaded | - | - | All |
| Pitch | - | - | 0.100" (2.54mm) |
| Number of Rows | - | - | 4 |
| Connector Style | - | - | Blade Power |
| Connector Usage | - | - | - |
| Number of Columns | - | - | - |