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| PartNumber | 643493-3 | 643494-2 | 643493-4 |
| Description | Headers & Wire Housings 04P MTA156 HDR ASSY W/O#2,3 | Headers & Wire Housings 06P MTA100 HDR ASSY W/O#3 | Headers & Wire Housings 04P MTA156 HDR ASSY STR W/O#3 |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | Y | Y |
| Product | Headers | Headers | Headers |
| Type | Unshrouded | Pin Strip | Unshrouded |
| Number of Positions | 4 Position | 6 Position | 4 Position |
| Pitch | 3.96 mm | 2.54 mm | 3.96 mm |
| Mounting Style | - | Panel | - |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Mounting Angle | Vertical | Vertical | Vertical |
| Contact Gender | Pin (Male) | Pin (Male) | Pin (Male) |
| Contact Plating | Tin | Tin | Tin |
| Termination Post Length | 3.18 mm | - | 3.18 mm |
| Series | MTA-156 | MTA-100 | MTA-156 |
| Tradename | MTA | MTA | MTA |
| Application | Wire-to-Board | - | Wire-to-Board |
| Current Rating | 7 A | 5 A | 7 A |
| Housing Material | Polyester | Thermoplastic (TP) | Polyester |
| Voltage Rating | 600 V | 250 V | 600 V |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Contact Material | Copper Alloy | Copper Alloy | Copper Alloy |
| Flammability Rating | UL 94 V-0 | - | UL 94 V-0 |
| Latching Type | Friction Lock | Friction Lock | Friction Lock |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 2000 | 1 | 2000 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 643493-3 | 643494-2 | 643493-4 |
| Number of Rows | - | 1 Row | - |