| PartNumber | 640454-2 | 640454-4 | 640454-3 |
| Description | Headers & Wire Housings POLARIZED HEADER 2P Straight Post tin | Headers & Wire Housings POLARIZED HEADER 4P Straight Post tin | CONN HEADER VERT 3POS 2.54MM |
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors |
| Product Category | Rectangular Connectors - Headers, Male Pins | Rectangular Connectors - Headers, Male Pins | Rectangular Connectors - Headers, Male Pins |
| Color | Natural | Natural | Natural |
| Series | MTA-100 | MTA-100 | MTA-100 |
| Packaging | Bulk | Bulk | Bulk |
| Termination | Solder | Solder | Solder |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Features | Polarizing Key | Polarizing Key | Polarizing Key |
| Connector Type | Header, Unshrouded | Header, Unshrouded | Header, Unshrouded |
| Contact Finish | Tin | Tin | Tin |
| Contact Finish Thickness | - | - | - |
| Number of Positions | 2 | 4 | 3 |
| Number of Positions Loaded | All | All | All |
| Pitch | 0.100" (2.54mm) | 0.100" (2.54mm) | 0.100" (2.54mm) |
| Number of Rows | 1 | 1 | 1 |
| Contact Type | Male Pin | Male Pin | Male Pin |
| Row Spacing | - | - | - |
| Fastening Type | - | - | - |
| Contact Mating Length | 0.295" (7.49mm) | 0.295" (7.49mm) | 0.295" (7.49mm) |