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| PartNumber | 5-643817-0 | 5-643817-1 | 5-643817-2 |
| Description | Headers & Wire Housings 20P MTA156 CONN ASSY 18AWG LF | Headers & Wire Housings 21P MTA156 CONN ASSY 18AWG LF | Headers & Wire Housings 22P MTA156 CONN ASSY 18AWG LF |
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors |
| Product Category | Rectangular Connectors - Free Hanging, Panel Mount | Rectangular Connectors - Free Hanging, Panel Mount | Rectangular Connectors - Free Hanging, Panel Mount |
| Color | Orange | Orange | Orange |
| Series | MTA-156 | MTA-156 | MTA-156 |
| Packaging | Bulk | Bulk | Bulk |
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Features | Closed End, Polarizing Key | Closed End, Polarizing Key | Closed End, Polarizing Key |
| Connector Type | Receptacle | Receptacle | Receptacle |
| Contact Finish | Tin | Tin | Tin |
| Wire Gauge | 18 AWG | 18 AWG | 18 AWG |
| Contact Finish Thickness | 80μin (2.03μm) | 80μin (2.03μm) | 80μin (2.03μm) |
| Number of Positions | 20 | 21 | 22 |
| Pitch | 0.156" (3.96mm) | 0.156" (3.96mm) | 0.156" (3.96mm) |
| Number of Rows | 1 | 1 | 1 |
| Contact Type | Female Socket | Female Socket | Female Socket |
| Row Spacing | - | - | - |
| Fastening Type | Locking Ramp | Locking Ramp | Locking Ramp |
| Cable Termination | IDC | IDC | IDC |
| Wire Type | Discrete or Ribbon Cable | Discrete or Ribbon Cable | Discrete or Ribbon Cable |