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| PartNumber | 2540-5002UB | 2540-5002 | 2540-5002-UG |
| Description | Headers & Wire Housings 40P R/A SOLDER TAILS | Conn Shrouded Header HDR 40 POS 2.54mm Solder RA Thru-Hole | |
| Manufacturer | 3M | - | - |
| Product Category | Headers & Wire Housings | - | - |
| RoHS | N | - | - |
| Product | Headers | - | - |
| Type | Shrouded | - | - |
| Number of Positions | 40 Position | - | - |
| Pitch | 2.54 mm | - | - |
| Number of Rows | 2 Row | - | - |
| Termination Style | Through Hole | - | - |
| Mounting Angle | Right Angle | - | - |
| Contact Gender | Pin (Male) | - | - |
| Contact Plating | Gold | - | - |
| Current Rating | 1.75 A | - | - |
| Housing Material | Polyester (PBT), Glass Filled | - | - |
| Brand | 3M Electronic Solutions Division | - | - |
| Contact Material | Copper Alloy | - | - |
| Flammability Rating | UL 94 V-0 | - | - |
| Row Spacing | 2.54 mm | - | - |
| Maximum Operating Temperature | + 105 C | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Product Type | Headers & Wire Housings | - | - |
| Factory Pack Quantity | 280 | - | - |
| Subcategory | Headers & Wire Housings | - | - |
| Part # Aliases | 80001416918 | - | - |
| Unit Weight | 0.168010 oz | - | - |