| PartNumber | 644038-4 | 644037-4 | 644038-3 |
| Description | Headers & Wire Housings 04P MTA100 CON ASSY POL 15AU | Headers & Wire Housings 17P MTA156 HDR ASSY STR W/O#10 | Headers & Wire Housings 03P MTA100 CONN ASSY POL 15AU |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | N | Y | N |
| Product | Wire Housings | Headers | Wire Housings |
| Type | Receptacle Assembly | Unshrouded | Receptacle Assembly |
| Number of Positions | 4 Position | 17 Position | 3 Position |
| Pitch | 2.54 mm | 3.96 mm | 2.54 mm |
| Mounting Style | Free Hanging | - | Free Hanging |
| Termination Style | IDC | Through Hole | IDC |
| Contact Gender | Socket (Female) | Pin (Male) | Socket (Female) |
| Contact Plating | Gold | Tin | Gold |
| Series | MTA-100 | MTA-156 | MTA-100 |
| Tradename | MTA | MTA | MTA |
| Packaging | Bulk | - | Bulk |
| Current Rating | 5 A | 7 A | - |
| Housing Material | Nylon | Thermoplastic | Nylon |
| Voltage Rating | 250 VAC | 600 V | 250 VAC |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Contact Material | Copper Alloy | Copper Alloy | Copper Alloy |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 500 | 500 | 500 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Wire Gauge | 22 | - | 22 |
| Part # Aliases | 644038-4 | 644037-4 | 644038-3 |
| Mounting Angle | - | Vertical | - |
| Termination Post Length | - | 3.18 mm | - |
| Application | - | Wire-to-Board | - |
| Flammability Rating | - | UL 94 V-0 | - |