| PartNumber | 4-644457-2 | 4-644457-1 | 4-644457-0 |
| Description | Headers & Wire Housings 12P HDR ASSY R/A NARROW | Headers & Wire Housings 11P HDR R/A NARROW | Headers & Wire Housings HDR 10P R/A SLIM |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | Y | Y | - |
| Product | Headers | Headers | - |
| Type | Unshrouded | Unshrouded | - |
| Number of Positions | 12 Position | 11 Position | - |
| Pitch | 2.54 mm | 2.54 mm | - |
| Number of Rows | 1 Row | 1 Row | - |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | Through Hole | - |
| Mounting Angle | Right Angle | Right Angle | - |
| Contact Gender | Pin (Male) | Pin (Male) | - |
| Contact Plating | Tin | Tin | - |
| Series | MTA-100 | MTA-100 | - |
| Tradename | MTA | MTA | - |
| Packaging | Bulk | Bulk | - |
| Application | Wire-to-Board | Wire-to-Board | - |
| Housing Material | Polyester | Polyester | - |
| Voltage Rating | 250 V | 250 V | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | - |
| Contact Material | Copper Alloy | Copper Alloy | - |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 250 | 250 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | 4-644457-2 | 4-644457-1 | - |