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| PartNumber | 961421-9041204-AR | 961421-9041404-AR | 961421-9041304-AR |
| Description | Headers & Wire Housings 21P STR SR DUAL INS 12.6MM BRD STK HGHT | Headers & Wire Housings 21P STR SR DUAL INS 21.8MM BRD STK HGHT | Headers & Wire Housings 21P STR SR DUAL INS 20.0MM BRD STK HGHT |
| Manufacturer | 3M | 3M | 3M |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Rectangular - Board to Board Connectors - Board Spacers, Stackers |
| RoHS | Y | Y | - |
| Product | Headers | Headers | - |
| Type | Pin Strip | Pin Strip | - |
| Series | 961 | 961 | 961 |
| Brand | 3M Electronic Solutions Division | 3M Electronic Solutions Division | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 420 | 300 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | DE500064097 ZZ150354449 | DE500065847 ZZ150354451 | - |
| Color | - | - | Black |
| Packaging | - | - | Bulk |
| Termination | - | - | Solder |
| Mounting Type | - | - | Through Hole |
| Number of Positions | - | - | 21 |
| Pitch | - | - | 0.100" (2.54mm) |
| Number of Rows | - | - | 1 |
| Row Spacing | - | - | - |
| Length Overall | - | - | 1.173" (29.80mm) |
| Length Post Mating | - | - | 0.256" (6.50mm) |
| Length Stack Height | - | - | 0.787" (20.00mm) |
| Length Tail | - | - | 0.130" (3.30mm) |
| Contact Finish Post Mating | - | - | Gold |
| Contact Finish Thickness Post Mating | - | - | Flash |