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| PartNumber | 104078-2 | 104078-1 | 104078-0610 |
| Description | Board to Board & Mezzanine Connectors SYSTEM 50 RECPT 40P | Board to Board & Mezzanine Connectors 20P RECEPTACLE | Headers & Wire Housings 1.25 W-to-B Conn. Header Assy-6P |
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors | - |
| Product Category | Rectangular Connectors - Headers, Receptacles, Female Sockets | IC Chips | - |
| Color | Black | Black | - |
| Series | AMPMODU System 50 | AMPMODU System 50 | - |
| Packaging | Tube | Tube | - |
| Termination | Solder | Solder | - |
| Mounting Type | Through Hole | Through Hole | - |
| Features | - | - | - |
| Connector Type | Receptacle | Receptacle | - |
| Contact Finish | Gold | Gold | - |
| Contact Finish Thickness | 30μin (0.76μm) | 30μin (0.76μm) | - |
| Number of Positions | 40 | 20 | - |
| Number of Positions Loaded | All | All | - |
| Pitch | 0.050" (1.27mm) | 0.050" (1.27mm) | - |
| Number of Rows | 2 | 2 | - |
| Contact Type | Female Socket | Female Socket | - |
| Row Spacing | 0.100" (2.54mm) | 0.100" (2.54mm) | - |
| Fastening Type | - | - | - |