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| PartNumber | 951412-4012309-AR-PT | 951412-4012009-AR-PT | 951412-4012009-AR-TP |
| Description | Headers & Wire Housings 12P BD STCK HDR 2R STRT SMT 10U AU | Headers & Wire Housings 12P BD STCK HDR 2R STRT SMT 10U AU | Headers & Wire Housings 12P BD STCK HDR 2R STRT SMT 10U AU |
| Manufacturer | 3M | 3M | 3M |
| Product Category | Rectangular - Board to Board Connectors - Board Spacers, Stackers | Rectangular - Board to Board Connectors - Board Spacers, Stackers | Rectangular - Board to Board Connectors - Board Spacers, Stackers |
| Color | Black | Black | Black |
| Series | 951 | 951 | 951 |
| Packaging | Tube Alternate Packaging | Tube Alternate Packaging | Tube Alternate Packaging |
| Termination | Solder | Solder | Solder |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Number of Positions | 12 | 12 | 12 |
| Pitch | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) |
| Number of Rows | 2 | 2 | 2 |
| Row Spacing | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) |
| Length Overall | 0.685" (17.40mm) | 0.606" (15.40mm) | 0.606" (15.40mm) |
| Length Post Mating | 0.157" (4.00mm) | 0.157" (4.00mm) | 0.157" (4.00mm) |
| Length Stack Height | 0.527" (13.40mm) | 0.449" (11.40mm) | 0.449" (11.40mm) |
| Length Tail | - | - | - |
| Contact Finish Post Mating | Gold | Gold | Gold |
| Contact Finish Thickness Post Mating | Flash | Flash | Flash |