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| PartNumber | 961440-8041404-AR | 961440-8041304-AR | 961440-8041204-AR |
| Description | Headers & Wire Housings 40P STR DR DUAL INS 21.8MM BRD STK HGHT | Headers & Wire Housings 40P STR DR DUAL INS 20.0MM BRD STK HGHT | Headers & Wire Housings 40P STR DR DUAL INS 12.6MM BRD STK HGHT |
| Manufacturer | 3M | - | 3M |
| Product Category | Rectangular - Board to Board Connectors - Board Spacers, Stackers | - | Rectangular - Board to Board Connectors - Board Spacers, Stackers |
| Color | Black | - | Black |
| Series | 961 | - | 961 |
| Packaging | Bulk | - | Bulk |
| Termination | Solder | - | Solder |
| Mounting Type | Through Hole | - | Through Hole |
| Number of Positions | 40 | - | 40 |
| Pitch | 0.100" (2.54mm) | - | 0.100" (2.54mm) |
| Number of Rows | 2 | - | 2 |
| Row Spacing | 0.100" (2.54mm) | - | 0.100" (2.54mm) |
| Length Overall | 1.244" (31.60mm) | - | 0.882" (22.40mm) |
| Length Post Mating | 0.256" (6.50mm) | - | 0.256" (6.50mm) |
| Length Stack Height | 0.858" (21.80mm) | - | 0.496" (12.60mm) |
| Length Tail | 0.130" (3.30mm) | - | 0.130" (3.30mm) |
| Contact Finish Post Mating | Gold | - | Gold |
| Contact Finish Thickness Post Mating | Flash | - | Flash |