| PartNumber | 1-640389-2 | 1-640389-1 | 1-640389-3 |
| Description | Headers & Wire Housings FRCTN LK HDR RA 12P Square post tin | Headers & Wire Housings RA SQ POST 11P HDR | Headers & Wire Housings 13P HDR SQ R/A F/L |
| 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 | Locking | Locking | Locking |
| Number of Positions | 12 Position | 11 Position | 13 Position |
| Pitch | 3.96 mm | 3.96 mm | 3.96 mm |
| Number of Rows | 1 Row | 1 Row | - |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Mounting Angle | Right Angle | Right Angle | Right Angle |
| Contact Gender | Pin (Male) | Pin (Male) | Pin (Male) |
| Contact Plating | Tin | Tin | Tin |
| Termination Post Length | 3.18 mm | 3.18 mm | 3.18 mm |
| Series | MTA-156 | MTA-156 | MTA-156 |
| Tradename | MTA | MTA | MTA |
| Application | Wire-to-Board | Wire-to-Board | Wire-to-Board |
| Current Rating | 7 A | 7 A | 7 A |
| Housing Material | Polyester | Polyester | Polyester |
| Voltage Rating | 600 V | 600 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 | 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 | 500 | 1000 | 250 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 1-640389-2 | 1-640389-1 | 1-640389-3 |
| Unit Weight | 0.141096 oz | - | 0.141096 oz |
| Packaging | - | Bulk | - |