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| PartNumber | 1-640250-1 | 1-640250-2 | 1-640250-0 |
| Description | Headers & Wire Housings 11P SL156 HSG W/LCK | Headers & Wire Housings 12 POS HOUSING | Headers & Wire Housings MTA 156 HSG 10P |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | Y | Y |
| Product | Wire Housings | Wire Housings | Wire Housings |
| Number of Positions | 11 Position | 12 Position | 10 Position |
| Pitch | 3.96 mm | 3.96 mm | 3.96 mm |
| Number of Rows | 1 Row | 1 Row | 1 Row |
| Mounting Style | - | - | - |
| Termination Style | - | - | - |
| Contact Gender | - | - | - |
| Contact Plating | - | - | - |
| Mating Post Length | - | - | - |
| Termination Post Length | - | - | - |
| Series | SL-156 | SL-156 | SL-156 |
| Application | Wire-to-Board | Wire-to-Board | Wire-to-Board |
| Contact Type | Socket | Socket | Socket |
| Housing Material | Nylon | Nylon | Nylon |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Contact Material | - | - | - |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | UL 94 V-0 |
| Row Spacing | - | - | - |
| Housing Gender | Receptacle | Receptacle | Receptacle |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 1-640250-1 | 1-640250-2 | 1-640250-0 |
| Unit Weight | 0.046068 oz | 0.120002 oz | 0.096016 oz |