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| PartNumber | HDC-R128-41S1-TG30 | HDC-R128-41S1-HM | HDC-R128-41S1-KR |
| Description | High Speed / Modular Connectors 128POS 2.54MM SOLDER BACKPLANE SKT | High Speed / Modular Connectors HDC/SKT/VERT/200P/4R /1BAY/4.06MMST/ROHS | High Speed / Modular Connectors HDC/SKT/VERT/200P/4R /1BAY/4.06MMST/ROHS |
| Manufacturer | 3M | 3M Electronic Solutions Division | 3M Electronic Solutions Division |
| Product Category | High Speed / Modular Connectors | Backplane Connectors | Backplane Connectors |
| Product | Receptacles | - | Receptacles |
| Number of Positions | 128 Position | - | 128 Position |
| Number of Rows | 4 Row | - | 4 Row |
| Pitch | 2.54 mm | - | 2.54 mm |
| Termination Style | Through Hole | - | Through Hole |
| Contact Plating | Gold | - | - |
| Series | HDC | - | - |
| Current Rating | 3 A | - | 3 A |
| Housing Material | Thermoplastic | - | Thermoplastic |
| Mounting Angle | Vertical | - | Vertical |
| Brand | 3M Electronic Solutions Division | - | - |
| Contact Material | Copper Alloy | - | Copper Alloy |
| Maximum Operating Temperature | + 105 C | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Product Type | High Speed / Modular Connectors | - | - |
| Factory Pack Quantity | 210 | - | - |
| Subcategory | Backplane Connectors | - | - |
| Part # Aliases | 04801140438 15020006100 | - | - |
| Part Aliases | - | 05111193986 70010022716 | 05111193987 70010022724 |
| Operating Temperature Range | - | - | - 55 C to + 105 C |
| Insulation Resistance | - | - | 1000 MOhms |