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| PartNumber | 3-640431-3 | 3-640431-4 | 3-640431-2 |
| Description | Headers & Wire Housings CLOSED W/O TABS 3P Orange 18 AWG | Headers & Wire Housings CLOSED W/O TABS 4P Orange 18 AWG | Headers & Wire Housings CLOSED W/O TABS 2P Orange 18 AWG |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | Y | Y | - |
| Product | Wire Housings | Wire Housings | - |
| Type | Receptacle Assembly | Receptacle Assembly | - |
| Number of Positions | 3 Position | 4 Position | - |
| Pitch | 3.96 mm | 3.96 mm | - |
| Number of Rows | 1 Row | 1 Row | - |
| Mounting Style | Free Hanging | Free Hanging | - |
| Termination Style | IDC | IDC | - |
| Contact Gender | Socket (Female) | Socket (Female) | - |
| Contact Plating | Tin | Tin | - |
| Series | MTA-156 | MTA-156 | - |
| Tradename | MTA | MTA | - |
| Packaging | Bulk | Bulk | - |
| Current Rating | 7 A | 7 A | - |
| Housing Material | Nylon | Nylon | - |
| Voltage Rating | 600 VAC | 600 VAC | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | - |
| Contact Material | Copper Alloy | Copper Alloy | - |
| Latching Type | Ramp Lock | Ramp Lock | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 500 | 250 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Wire Gauge | 18 | 18 AWG | - |
| Part # Aliases | 3-640431-3 | 3-640431-4 | - |
| Unit Weight | 0.050265 oz | 0.065892 oz | - |