| PartNumber | 2-640250-3 | 2-640250-4 | 2-640250-2 |
| Description | Headers & Wire Housings 23P SL156 HSG W/LCK RAMP NATL | Headers & Wire Housings 24P SL156 HSG W/LCK RAMP NATL | Headers & Wire Housings 22P SL156 HSG W/LCK RAMP NATL |
| 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 | 23 Position | 24 Position | 22 Position |
| Pitch | 3.96 mm | 3.96 mm | 3.96 mm |
| Number of Rows | 1 Row | 1 Row | 1 Row |
| Mounting Style | Wire | - | - |
| Termination Style | Crimp | - | - |
| Contact Gender | Socket (Female) | - | - |
| Series | SL-156 | SL-156 | SL-156 |
| Application | Wire-to-Board | Wire-to-Board | Wire-to-Board |
| Current Rating | 5 A | 5 A | 5 A |
| Housing Material | Nylon | Nylon | Nylon |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | UL 94 V-0 |
| Latching Type | Locking Ramp | Locking Ramp | Locking Ramp |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 1200 | 1 | 1 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 2-640250-3 | 2-640250-4 | 2-640250-2 |
| Contact Plating | - | - | - |
| Mating Post Length | - | - | - |
| Termination Post Length | - | - | - |
| Contact Type | - | Socket | Socket |
| Contact Material | - | - | - |
| Row Spacing | - | - | - |
| Housing Gender | - | Receptacle | Receptacle |