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| PartNumber | 640445-4 | 6404452 | 6404453 |
| Description | Headers & Wire Housings FRCTN LK HDR STR 4P Square post tin | Conn Wire to Board HDR 3 POS 3.96mm Solder ST Thru-Hole | |
| Manufacturer | TE Connectivity | - | - |
| Product Category | Headers & Wire Housings | - | - |
| RoHS | Y | - | - |
| Product | Headers | - | - |
| Type | Unshrouded | - | - |
| Number of Positions | 4 Position | - | - |
| Pitch | 3.96 mm | - | - |
| Number of Rows | 1 Row | - | - |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | - | - |
| Mounting Angle | Vertical | - | - |
| Contact Gender | Pin (Male) | - | - |
| Contact Plating | Tin | - | - |
| Termination Post Length | 3.18 mm | - | - |
| Series | MTA-156 | - | - |
| Tradename | MTA | - | - |
| Application | Wire-to-Board | - | - |
| Current Rating | 7 A | - | - |
| Housing Material | Polyester | - | - |
| Voltage Rating | 600 V | - | - |
| Brand | TE Connectivity / AMP | - | - |
| Contact Material | Copper Alloy | - | - |
| Flammability Rating | UL 94 V-0 | - | - |
| Latching Type | Friction Lock | - | - |
| Product Type | Headers & Wire Housings | - | - |
| Factory Pack Quantity | 2000 | - | - |
| Subcategory | Headers & Wire Housings | - | - |
| Part # Aliases | 640445-4 | - | - |
| Unit Weight | 0.048008 oz | - | - |