| PartNumber | 3-643820-4 | 3-643820-2 | 3-643820-3 |
| Description | Headers & Wire Housings CLOSED WITH TABS 4P L.R. natural 24 AWG | Headers & Wire Housings CLOSED WITH TABS 2P L.R. natural 24AWG | Headers & Wire Housings CLOSED WITH TABS 3P L.R. natural 24 AWG |
| Manufacturer | TE Connectivity AMP Connectors | - | TE Connectivity AMP Connectors |
| Product Category | Rectangular Connectors - Free Hanging, Panel Mount | - | Rectangular Connectors - Free Hanging, Panel Mount |
| Color | White | - | White |
| Series | MTA-156 | - | MTA-156 |
| Packaging | Bulk | - | Bulk |
| Mounting Type | Free Hanging (In-Line) | - | Free Hanging (In-Line) |
| Features | Closed End, Polarizing Key | - | Closed End, Polarizing Key |
| Connector Type | Receptacle | - | Receptacle |
| Contact Finish | Tin | - | Tin |
| Wire Gauge | 24 AWG | - | 24 AWG |
| Contact Finish Thickness | 80μin (2.03μm) | - | 80μin (2.03μm) |
| Number of Positions | 4 | - | 3 |
| Pitch | 0.156" (3.96mm) | - | 0.156" (3.96mm) |
| Number of Rows | 1 | - | 1 |
| Contact Type | Female Socket | - | Female Socket |
| Row Spacing | - | - | - |
| Fastening Type | Locking Ramp | - | Locking Ramp |
| Cable Termination | IDC | - | IDC |
| Wire Type | Discrete or Ribbon Cable | - | Discrete or Ribbon Cable |