| PartNumber | HM2R81PA8101N9LF | HM2R81PA8101N9STLF | HM2R81PA8101N9 |
| Description | Hard Metric Connectors MPACS 8R RA REC D 22P | Hard Metric Connectors HM2R81PA8101N9STLF-MPACS 8R RA REC | Hard Metric Connectors MPACS 8R RA REC D 22P |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | FCI / Amphenol |
| Product Category | Hard Metric Connectors | Hard Metric Connectors | Hard Metric Connectors |
| RoHS | Y | Y | N |
| Product | Receptacles | Receptacles | Receptacles |
| Number of Rows | 8 Row | 8 Row | 8 Row |
| Series | Millipacs | Millipacs | Millipacs |
| Packaging | Tray | Tray | Tray |
| Brand | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Product Type | Hard Metric Connectors | Hard Metric Connectors | Hard Metric Connectors |
| Factory Pack Quantity | 24 | 21 | 24 |
| Subcategory | Backplane Connectors | Backplane Connectors | Backplane Connectors |
| Tradename | Millipacs | Millipacs | Millipacs |
| Part # Aliases | HM2R81PA8101N9LF | HM2R81PA8101N9STLF | - |
| Number of Positions | - | - | 176 Position |
| Mounting Style | - | - | Through Hole |
| Termination Style | - | - | Press Fit |
| Mounting Angle | - | - | Right |
| Contact Plating | - | - | Gold |
| Type | - | - | Module Type D (8 Row) without Location Pegs |
| Current Rating | - | - | 1.5 A |
| Housing Material | - | - | Thermoplastic |
| Voltage Rating | - | - | 750 V |
| Contact Material | - | - | Phosphor Bronze |
| Flammability Rating | - | - | UL 94 V-0 |
| Insulation Resistance | - | - | 10000 MOhms |
| Maximum Operating Temperature | - | - | + 125 C |
| Minimum Operating Temperature | - | - | - 55 C |