| PartNumber | 81040-650401-RB | 81040-650303 | 81040-650303-RB |
| Description | Headers & Wire Housings 40/MHDR/SELINS.125 /NOHOL/30AVG/90:10 | Headers & Wire Housings 40POS STAIGHT BOARDMT/TRIPOL HDR | Headers & Wire Housings 40/MHDR/STR/LL/.062 /POST/30AVG/ROHS |
| Manufacturer | 3M | 3M | 3M |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Brand | 3M Electronic Solutions Division | 3M Electronic Solutions Division | 3M Electronic Solutions Division |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 210 | 100 | 210 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 05111991907 80001211020 | 80400012763 | 07630808994 80001252289 |
| Unit Weight | 0.019654 oz | - | 0.019882 oz |
| RoHS | - | N | Y |
| Product | - | Headers | - |
| Type | - | Latch / Eject | - |
| Pitch | - | 1.27 mm | 1.27 mm |
| Number of Rows | - | 2 Row | 2 Row |
| Contact Plating | - | Gold | Gold |
| Series | - | 810 | - |
| Current Rating | - | 500 mA | 750 mA |
| Contact Material | - | Copper Alloy | Copper Alloy |
| Number of Positions | - | - | 40 Position |
| Mounting Angle | - | - | Straight |
| Contact Gender | - | - | Pin (Male) |
| Housing Material | - | - | Liquid Crystal Polymer (LCP) |
| Flammability Rating | - | - | UL 94 V-0 |
| Row Spacing | - | - | 2.54 mm |
| Maximum Operating Temperature | - | - | + 105 C |
| Minimum Operating Temperature | - | - | - 55 C |