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| PartNumber | 644750-3 | 644750-4 | 644750-2 |
| Description | Headers & Wire Housings 03P MTA156 HDR ASSY STR RND SN | Headers & Wire Housings 04P MTA156 HDR ASSY STR RND SN | Headers & Wire Housings 02P MTA156 HDR ASSY STR RND SN |
| Manufacturer | TE Connectivity | TE Connectivity | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | Y | Y | - |
| Product | Headers | Headers | - |
| Type | Unshrouded | Unshrouded | - |
| Number of Positions | 3 Position | 4 Position | - |
| Pitch | 3.96 mm | 3.96 mm | - |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | Through Hole | - |
| Mounting Angle | Vertical | Vertical | - |
| Contact Gender | Pin (Male) | Pin (Male) | - |
| Contact Plating | Tin | Tin | - |
| Termination Post Length | 4.45 mm | 4.45 mm | - |
| Series | MTA-156 | MTA-156 | - |
| Tradename | MTA | MTA | - |
| Application | Wire-to-Board | Wire-to-Board | - |
| Current Rating | 7 A | 7 A | - |
| Housing Material | Polyester | Polyester | - |
| Voltage Rating | 600 V | 600 V | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | - |
| Contact Material | Copper Alloy | Copper Alloy | - |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 2000 | 2000 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | 644750-3 | 644750-4 | - |