| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | TE Connectivity |
| Manufacturer Part Number: | TE Connectivity 3-644742-1 |
| Series: | MTA 156 |
| Housing Material: | Polyester - GF |
| Number of Rows: | 1 |
| Mount Type: | Board Mount |
| Termination Method: | Through Hole - Solder |
| Contact Material: | Copper Alloy |
| Pitch: | .156 in, 3.96 mm |
| Voltage: | 600 V AC |
| Contact Type: | Tab |
| Strain Relief: | No Strain Relief |
| Package Quantity: | 1 |
| Contact Amperage: | 7 A |
| Number of Positions: | 3 |
| Housing Color: | Natural |
| Mount Orientation: | Vertical |
| GPL: | 103 |
| Number of Loaded Positions: | 2 |
| Mating Retention Type: | Friction Lock |
| Packaging: | Package |
| Operating Temperature Range: | -55 - 105 °C, -67 - 221 °F |
| Circuit Application: | Power |
| Contact Mating Area Plating: | Gold |
| Contact Mating Area Plating Thickness: | 30 µin, .76 µm |
| Panel Mount: | Without |
| PCB Retention: | Without |
| Contact Termination Plating Thickness: | 100 µin, 2.540 µm |
| Contact Underplating Material: | Nickel |
| PCB Thickness (Recommended): | .062 in, 1.57 mm |
| Connector Height: | 13.34 mm, .525 in |
| Sealable: | No |
| Mating Alignment: | Without |
| GPL Description: | Appliances |
| Connector and Contact Terminate To: | Printed Circuit Board |
| Product Code: | 1525 |
| Number of Power Positions: | 3 |
| Post Numbers Omitted: | 2 |
| Contact Layout: | Inline |
| Connector Length: | 11.89 mm, .468 in |
| Connector System: | Wire to Board |
| Contact Termination Plating: | Tin |
| Connector Product Type: | Header |
| Mating Post Length: | 10.16 mm, .4 in |
| ECCN: | EAR99 |
| Mating Retention: | With |
| PCB Mount Alignment: | Without |
| Termination Post Tail Length: | .125 in, 3.18 mm |
| Header Type: | Unshrouded |
| Contact Retention: | Without |
| Number of Blocked Positions: | 1 |
| Glow Wire Rating: | Standard Part - Not Glow Wire |
| Contact Termination Area Plating Finish: | Matte |
| Connector and Housing Type: | Plug |
| Standards Met: | UL |
| Material Flammability Standard: | UL 94V-0 |
| Part Aliases: | 3-644742-1 |
| SKU: | AMP3-644742-1 |
3-644742-1
Specifications
Detailed Description
Enhance power connectivity with this MTA 156 series connector, designed for efficient board mounting. Featuring a durable polyester housing with UL 94V-0 flammability standard compliance, it ensures safety and reliability in various applications. With copper alloy contacts plated in gold, it offers secure and low-resistance tab connections for up to 7A at 600V AC. The vertical orientation and friction lock mating retention make assembly easy and secure. Operating in a wide temperature range from -55 to 105°C (-67 to 221°F), this connector is suitable for demanding environments. Its inline layout, with 3 positions and 2 loaded contacts, suits power circuit applications. With RoHS compliance and a matte tin termination finish, it meets environmental standards while maintaining performance. Ideal for appliances and other power-intensive systems, this header connector provides a dependable solution for wire-to-board connections.
For Use With
| Product | Part # | Description | Stock |
|---|---|---|---|
| TE Connectivity 2132189-3 | ![]() | |
| TE Connectivity 770894-3 | ![]() |


