| PartNumber | 281277-2 | 281274-1 | 281278-1 |
| Description | Headers & Wire Housings 2X20P LATCH ST-LEI | Headers & Wire Housings POST SPRT ASSY 20P | Headers & Wire Housings AMP LATCH POST SPRT |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | Y | - |
| Product | Headers | Headers | Headers |
| Type | Shrouded | Shrouded | Shrouded |
| Number of Positions | 40 Position | 20 Position | 50 Position |
| Pitch | 2.54 mm | 2.54 mm | 2.54 mm |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Mounting Angle | Straight | Straight | Straight |
| Contact Gender | Pin (Male) | Pin (Male) | Pin (Male) |
| Contact Plating | Gold | Gold | Gold |
| Termination Post Length | 3.05 mm | 3.1 mm | 3.1 mm |
| Series | AMP-LATCH | AMP-LATCH | AMP-LATCH |
| Tradename | AMP-LATCH | AMP-LATCH | AMP-LATCH |
| Housing Material | Thermoplastic | Thermoplastic | Thermoplastic (TP) |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Contact Material | Brass | Brass | Brass |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | UL 94 V-0 |
| Row Spacing | 2.54 mm | 2.54 mm | 2.54 mm |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 2200 | 350 | 150 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 281277-2 | 281274-1 | - |
| Unit Weight | - | 0.007055 oz | - |