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| PartNumber | 4-173977-2 | 4-173977-3 | 4-173977-4 |
| Description | Headers & Wire Housings CT CONN MT REC ASSY 2P YELLOW | Headers & Wire Housings CT CONN MT REC ASSY 3P YELLOW | Headers & Wire Housings CT CONN MT REC ASSY 4P YELLOW |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | Y | Y | - |
| Product | Headers | Wire Housings | - |
| Number of Positions | 2 Position | 3 Position | - |
| Pitch | 2 mm | 2 mm | - |
| Number of Rows | 1 Row | 1 Row | - |
| Mounting Style | - | - | - |
| Termination Style | IDC | IDC | - |
| Contact Gender | Socket (Female) | Socket (Female) | - |
| Contact Plating | Tin | Tin | - |
| Series | AMP CT | AMP CT | - |
| Tradename | Common Termination | Common Termination | - |
| Packaging | Bulk | Bulk | - |
| Contact Type | Socket | Socket | - |
| Current Rating | 2 A | 2 A | - |
| Housing Material | Polybutylene Terephthalate (PBT) | - | - |
| Voltage Rating | 125 V | 125 V | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | - |
| Contact Material | Phosphor Bronze | - | - |
| Row Spacing | - | - | - |
| 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 | 28 AWG - 26 AWG | - |
| Part # Aliases | 4-173977-2 | 4-173977-3 | - |
| Type | - | Receptacle Housing | - |