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| PartNumber | 54121-105041000LF | 54121-105051100LF | 54121-105071150LF |
| Description | Board to Board & Mezzanine Connectors BERGSTIK STACK HDR | Board to Board & Mezzanine Connectors BERGSTIK STACKING HEADER | Board to Board & Mezzanine Connectors BERGSTIK STR |
| 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 | Y | Y | - |
| Series | BergStik | BergStik | BERGSTIK |
| Packaging | Bulk | - | - |
| Brand | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Product Type | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Factory Pack Quantity | 500 | 200 | 100 |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Tradename | BergStik | BergStik | - |
| Part # Aliases | 54121105041000LF | 54121105051100LF | 54121105071150LF |