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| PartNumber | 3-647478-3 | 3-647478-2 | 3-647478-4 |
| Description | Headers & Wire Housings 03P MTA156 ASY 22AWG RED LF | Headers & Wire Housings 02P MTA156 ASY 22AWG RED LF | Headers & Wire Housings 04P MTA156 ASY 22AWG RED LF |
| 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 | Wire Housings | - |
| Type | Receptacle Housing | Receptacle Housing | - |
| Number of Positions | 3 Position | 2 Position | 4 |
| Pitch | 3.96 mm | 3.96 mm | 0.156" (3.96mm) |
| Mounting Style | Wire | Wire | - |
| Termination Style | Crimp | Crimp | - |
| Contact Gender | Socket (Female) | Socket (Female) | - |
| Contact Plating | Gold | Gold | - |
| Series | MTA-156 | MTA-156 | MTA-156 |
| Tradename | MTA | MTA | - |
| Packaging | Bulk | Bulk | Bulk |
| Housing Material | Nylon | Nylon | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | - |
| Contact Material | Copper Alloy | Copper Alloy | - |
| Latching Type | Locking Ramp | Locking Ramp | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 500 | 500 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Wire Gauge | 22 AWG | 22 | 22 AWG |
| Part # Aliases | 3-647478-3 | 3-647478-2 | - |
| Color | - | - | Red |
| Mounting Type | - | - | Free Hanging (In-Line) |
| Features | - | - | Closed End, Polarizing Key |
| Connector Type | - | - | Receptacle |
| Contact Finish | - | - | Gold |
| Contact Finish Thickness | - | - | 15μin (0.38μm) |
| Number of Rows | - | - | 1 |
| Contact Type | - | - | Female Socket |
| Row Spacing | - | - | - |
| Fastening Type | - | - | Locking Ramp |
| Cable Termination | - | - | IDC |
| Wire Type | - | - | Discrete or Ribbon Cable |