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| PartNumber | 1-640250-1 | 1-640250-0 | 1-640213-1 |
| Description | Headers & Wire Housings 11P SL156 HSG W/LCK | Headers & Wire Housings MTA 156 HSG 10P | Heavy Duty Power Connectors OBSOLETE |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Heavy Duty Power Connectors |
| RoHS | Y | Y | - |
| Product | Wire Housings | Wire Housings | - |
| Number of Positions | 11 Position | 10 Position | - |
| Pitch | 3.96 mm | 3.96 mm | - |
| Number of Rows | 1 Row | 1 Row | - |
| Mounting Style | - | - | - |
| Termination Style | - | - | - |
| Contact Gender | - | - | - |
| Contact Plating | - | - | - |
| Mating Post Length | - | - | - |
| Termination Post Length | - | - | - |
| Series | SL-156 | SL-156 | - |
| Application | Wire-to-Board | Wire-to-Board | - |
| Contact Type | Socket | Socket | - |
| Housing Material | Nylon | Nylon | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Contact Material | - | - | - |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | - |
| Row Spacing | - | - | - |
| Housing Gender | Receptacle | Receptacle | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Heavy Duty Power Connectors |
| Factory Pack Quantity | 1 | 1 | 60 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Power Connectors |
| Part # Aliases | 1-640250-1 | 1-640250-0 | - |
| Unit Weight | 0.046068 oz | 0.096016 oz | - |