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| PartNumber | 644861-3 | 644861-2 | 644861-4 |
| Description | Headers & Wire Housings 03P SHRD HDR TIN W/O PEG | Headers & Wire Housings VERT HDR 2P | CONN HEADER VERT 4POS 2.54MM |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity AMP Connectors |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Rectangular Connectors - Headers, Male Pins |
| RoHS | N | N | - |
| Product | Headers | Headers | - |
| Type | Shrouded | Shrouded | - |
| Number of Positions | 3 Position | 2 Position | 4 |
| Pitch | 2.54 mm | 2.54 mm | 0.100" (2.54mm) |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | Through Hole | - |
| Mounting Angle | Vertical | Vertical | - |
| Contact Gender | Pin (Male) | Pin (Male) | - |
| Contact Plating | Tin | Tin | - |
| Termination Post Length | 3.56 mm | 3.56 mm | - |
| Series | MTA-100 | MTA-100 | MTA-100 |
| Application | Wire-to-Board | Wire-to-Board | - |
| Current Rating | 5 A | 5 A | - |
| 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 | 4000 | 3000 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Number of Rows | - | 1 Row | 1 |
| Latching Type | - | Friction Lock | - |
| Color | - | - | Black |
| Packaging | - | - | Bulk |
| Termination | - | - | Solder |
| Mounting Type | - | - | Through Hole |
| Features | - | - | - |
| Connector Type | - | - | Header, Shrouded |
| 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 | - | - | 0.200" (5.08mm) |