| PartNumber | 172890-4 | 172890-3 | 172890-2 |
| Description | Headers & Wire Housings 4P 2MM MINI HDR HSG | Headers & Wire Housings 3P 2MM MINI AMP-IN HDR HSG | Headers & Wire Housings 2P 2MM MINI AMP-IN HDR HSG |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | Y | Y |
| Product | Headers | - | - |
| Number of Positions | 4 Position | - | - |
| Pitch | 2 mm | - | - |
| Number of Rows | 1 Row | - | - |
| Termination Style | Crimp | - | - |
| Contact Gender | - | - | - |
| Contact Plating | - | - | - |
| Mating Post Length | - | - | - |
| Termination Post Length | - | - | - |
| Application | Wire-to-Board | - | - |
| Contact Type | - | - | - |
| Housing Material | Nylon | - | - |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Contact Material | - | - | - |
| Flammability Rating | UL 94 V-0 | - | - |
| Row Spacing | - | - | - |
| Housing Gender | - | - | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 1000 | 1000 | 1000 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 172890-4 | 172890-3 | 172890-2 |
| Packaging | - | Bulk | Bulk |