| PartNumber | HM2R81PA8101N9 | HM2R81PA8100AALF | HM2R81PA8100N9LF |
| Description | Hard Metric Connectors MPACS 8R RA REC D 22P | Hard Metric Connectors Hard Metric Connectr HEADER 110POS TYPE A | Hard Metric Connectors 22P 8R RA RECPT MILLIPAC |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | FCI / Amphenol |
| Product Category | Hard Metric Connectors | Hard Metric Connectors | Hard Metric Connectors |
| RoHS | N | Y | Y |
| Product | Receptacles | Receptacles | Receptacles |
| Number of Rows | 8 Row | 8 Row | 8 Row |
| Number of Positions | 176 Position | 176 Position | 176 Position |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Termination Style | Press Fit | Press Fit | Press Fit |
| Mounting Angle | Right | Right | Right |
| Contact Plating | Gold | Gold | Gold |
| Series | Millipacs | Millipacs | - |
| Type | Module Type D (8 Row) without Location Pegs | Module Type D | Module Type D |
| Packaging | Tray | Tray | Tray |
| Current Rating | 1.5 A | 1.5 A | 1.5 A |
| Housing Material | Thermoplastic | Thermoplastic | Thermoplastic |
| Voltage Rating | 750 V | 750 V | 750 V |
| Brand | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | UL 94 V-0 |
| Insulation Resistance | 10000 MOhms | 10000 MOhms | 10000 MOhms |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Product Type | Hard Metric Connectors | Hard Metric Connectors | Hard Metric Connectors |
| Factory Pack Quantity | 24 | 24 | 24 |
| Subcategory | Backplane Connectors | Backplane Connectors | Backplane Connectors |
| Tradename | Millipacs | Millipacs | Millipacs |
| Part # Aliases | - | HM2R81PA8100AALF | HM2R81PA8100N9LF |