| PartNumber | 2540-6003UB | 2540-6002UG | 2540-6002UB |
| Description | Headers & Wire Housings 40P STRT SOLDER TAIL | Headers & Wire Housings 40P STRT SOLDER TAIL | Headers & Wire Housings 40P STRT SOLDER TAIL HIGH TEMP |
| Manufacturer | 3M | - | - |
| Product Category | Headers & Wire Housings | - | - |
| RoHS | N | - | - |
| Product | Headers | - | - |
| Type | Shrouded | - | - |
| Pitch | 2.54 mm | - | - |
| Number of Rows | 2 Row | - | - |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | - | - |
| Mounting Angle | Straight | - | - |
| Contact Plating | Tin | - | - |
| Series | 2500 | - | - |
| Brand | 3M Electronic Solutions Division | - | - |
| Compliance | UL | - | - |
| Product Type | Headers & Wire Housings | - | - |
| Factory Pack Quantity | 280 | - | - |
| Subcategory | Headers & Wire Housings | - | - |
| Part # Aliases | 05400783696 80001416934 80610574537 | - | - |