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| PartNumber | 100161-4 | 100161-1 | 100161-9 |
| Description | Hard Metric Connectors Z-PACK/C F-HDR 55P | Hard Metric Connectors Z-PACK/C F-HDR 55P | Hard Metric Connectors Z-PACK/C F-HDR 55P |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Hard Metric Connectors | Hard Metric Connectors | - |
| RoHS | Y | E | - |
| Product | Receptacles | Receptacles | - |
| Series | Z-Pack HM | Z-Pack HM | - |
| Packaging | Tube | Tube | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | - |
| Product Type | Hard Metric Connectors | Hard Metric Connectors | - |
| Factory Pack Quantity | 22 | 22 | - |
| Subcategory | Backplane Connectors | Backplane Connectors | - |
| Tradename | Z-Pack | Z-Pack | - |
| Part # Aliases | 100161-4 | 100161-1 | - |
| Number of Rows | - | 5 Row | - |
| Number of Positions | - | 55 Position | - |
| Mounting Style | - | Through Hole | - |
| Termination Style | - | Press Fit | - |
| Contact Plating | - | Gold | - |
| Housing Material | - | Polybutylene Terephthalate (PBT) | - |
| Contact Material | - | Phosphor Bronze | - |
| Pitch | - | 2 mm | - |