| PartNumber | 3421-6600 | 3421-6000 | 3421-6020 |
| Description | Headers & Wire Housings 20P IDC SOCKET | Headers & Wire Housings 20P IDC SOCKET | Headers & Wire Housings 20P IDC SOCKET |
| Manufacturer | 3M | 3M | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | Y | Y | - |
| Product | Headers | Wire Housings | - |
| Type | Socket | Receptacle Housing | - |
| Number of Positions | 20 Position | 20 Position | - |
| Pitch | 2.54 mm | 2.54 mm | - |
| Number of Rows | 2 Row | 2 Row | - |
| Mounting Style | Cable | Cable | - |
| Termination Style | IDC | IDC | - |
| Mounting Angle | Straight | - | - |
| Contact Gender | Socket (Female) | Socket (Female) | - |
| Contact Plating | Gold | Gold | - |
| Mating Post Length | - | - | - |
| Termination Post Length | - | - | - |
| Series | 3000 | 3000 | - |
| Contact Type | - | - | - |
| Current Rating | 1 A | - | - |
| Housing Material | Polybutylene Terephthalate (PBT) | - | - |
| Brand | 3M Electronic Solutions Division | 3M Electronic Solutions Division | - |
| Contact Material | Copper Alloy | - | - |
| Flammability Rating | UL 94 V-0 | - | - |
| Row Spacing | 2.54 mm | - | - |
| Housing Gender | - | - | - |
| Latching Type | Unlatched | - | - |
| Maximum Operating Temperature | + 105 C | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 420 | 420 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | 05400733651 80610121057 | 05400731569 80610079032 | - |
| Unit Weight | 0.095240 oz | 0.038089 oz | - |