| PartNumber | 6-173977-3 | 6-173977-4 | 6-173977-2 |
| Description | Headers & Wire Housings CT CONN MT REC ASSY 3P BLACK | Headers & Wire Housings CT MT REC ASSY 4P BLACK | Headers & Wire Housings CT CONN MT REC ASSY 2P BLACK |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity AMP Connectors |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Rectangular Connectors - Free Hanging, Panel Mount |
| RoHS | Y | Y | - |
| Product | Wire Housings | Headers | - |
| Type | Receptacle Housing | Receptacle Housing | - |
| Number of Positions | 3 Position | 4 Position | 2 |
| Pitch | 2 mm | 2 mm | 0.079" (2.00mm) |
| Number of Rows | 1 Row | 1 Row | 1 |
| Mounting Style | - | - | - |
| Termination Style | IDC | IDC | - |
| Contact Gender | Socket (Female) | Socket (Female) | - |
| Contact Plating | Tin | Tin | - |
| Mating Post Length | - | - | - |
| Termination Post Length | - | - | - |
| Series | AMP CT | AMP CT | CT |
| Tradename | Common Termination | Common Termination | - |
| Packaging | Bulk | Bulk | Bulk |
| Contact Type | Socket | Socket (Female) | Female Socket |
| Current Rating | 2 A | 2 A | - |
| Voltage Rating | 125 V | 125 V | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | - |
| Contact Material | - | Phosphor Bronze | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Wire Gauge | 28 AWG - 26 AWG | - | 26-28 AWG |
| Part # Aliases | 6-173977-3 | 6-173977-4 | - |
| Housing Material | - | Polybutylene Terephthalate (PBT) | - |
| Row Spacing | - | - | - |
| Color | - | - | Black |
| Mounting Type | - | - | Free Hanging (In-Line) |
| Features | - | - | - |
| Connector Type | - | - | Receptacle |
| Contact Finish | - | - | Tin |
| Contact Finish Thickness | - | - | - |
| Fastening Type | - | - | - |
| Cable Termination | - | - | IDC |
| Wire Type | - | - | Discrete |