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| PartNumber | 51939-081LF | 51939-081 | 51939-083 |
| Description | Power to the Board 51939-081LF-PWRBLADE R/A LF 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 | Amphenol FCI |
| Product Category | Power to the Board | Backplane Connectors - Specialized | Backplane Connectors - Specialized |
| RoHS | Y | - | - |
| Product Type | Power to the Board | - | - |
| Series | PwrBlade | PwrBladeR | PwrBladeR |
| Packaging | Tray | Tray | Tray |
| Brand | Amphenol FCI | - | - |
| Factory Pack Quantity | 66 | - | - |
| Subcategory | Power Connectors | - | - |
| Tradename | PwrBlade | - | - |
| Part # Aliases | 51939081LF | - | - |
| Color | - | Black | Black |
| Termination | - | Solder | Solder |
| Mounting Type | - | Board Edge, Through Hole, Right Angle | Board Edge, Through Hole, Right Angle |
| Features | - | Board Lock, Mating Guide | Mating Guide |
| Connector Type | - | Header, Male Blades | Header, Male Pins and Blades |
| Contact Finish | - | Gold or Gold, GXT | Gold or Gold, GXT |
| Contact Layout Typical | - | 3 Power | 12 Signal, 7 Power |
| Contact Finish Thickness | - | 30μin (0.76μm) | 30μin (0.76μm) |
| Number of Positions | - | 3 | 19 |
| Number of Positions Loaded | - | All | All |
| Pitch | - | 0.118" (3.00mm) | 0.100" (2.54mm) |
| Number of Rows | - | 1 | 4 |
| Connector Style | - | Blade Power | Blade Power |
| Connector Usage | - | - | - |
| Number of Columns | - | - | - |