| PartNumber | 3-647166-4 | 3-647166-2 | 3-647166-3 |
| Description | Headers & Wire Housings HDR 04P VRT F-LOCK SMT | Headers & Wire Housings HDR 1X02P VRT T/H | Headers & Wire Housings HDR 03P VRT F-LOCK SMT |
| Manufacturer | TE Connectivity | TE Connectivity AMP Connectors | - |
| Product Category | Headers & Wire Housings | Rectangular Connectors - Headers, Male Pins | - |
| RoHS | Y | - | - |
| Product | Headers | - | - |
| Type | Unshrouded | - | - |
| Number of Positions | 4 Position | 2 | - |
| Pitch | 2.54 mm | 0.100" (2.54mm) | - |
| Number of Rows | 1 Row | 1 | - |
| Mounting Style | - | - | - |
| Termination Style | SMD/SMT | - | - |
| Mounting Angle | Straight | - | - |
| Contact Gender | Pin (Male) | - | - |
| Contact Plating | Tin | - | - |
| Termination Post Length | 3.18 mm | - | - |
| Series | MTA-100 | MTA-100 | - |
| Tradename | MTA | - | - |
| Packaging | Bulk | Bulk | - |
| Application | Wire-to-Board | - | - |
| Housing Material | Nylon | - | - |
| Voltage Rating | 250 V | - | - |
| Brand | TE Connectivity | - | - |
| Contact Material | Copper Alloy | - | - |
| Flammability Rating | UL 94 V-0 | - | - |
| Latching Type | Friction Lock | - | - |
| Product Type | Headers & Wire Housings | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | Headers & Wire Housings | - | - |
| Part # Aliases | 3-647166-4 | - | - |
| Unit Weight | 0.018413 oz | - | - |
| Color | - | Black | - |
| Termination | - | Solder | - |
| Mounting Type | - | Surface Mount | - |
| Features | - | - | - |
| Connector Type | - | Header, Unshrouded | - |
| Contact Finish | - | Tin-Lead | - |
| Contact Finish Thickness | - | - | - |
| Number of Positions Loaded | - | All | - |
| Contact Type | - | Male Pin | - |
| Row Spacing | - | - | - |
| Fastening Type | - | Friction Lock | - |
| Contact Mating Length | - | 0.290" (7.37mm) | - |