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| PartNumber | 77311-124-20LF | 77311-124-21LF | 77311-124-22LF |
| Description | Headers & Wire Housings 20P STR SR TMT HDR .76 AU .48IN LENGTH | Headers & Wire Housings 21P STR SR TMT HDR .76 AU .48IN LENGTH | Headers & Wire Housings 22P STR SR TMT HDR .76 AU .48IN LENGTH |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | Y | Y | - |
| Product | Headers | Headers | - |
| Type | Unshrouded | Unshrouded | - |
| Number of Positions | 20 Position | 21 Position | - |
| Pitch | 2.54 mm | 2.54 mm | - |
| Number of Rows | 1 Row | 1 Row | - |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | Through Hole | - |
| Mounting Angle | Vertical | Vertical | - |
| Contact Gender | Pin (Male) | Pin (Male) | - |
| Contact Plating | Gold | Gold | - |
| Mating Post Length | 6.75 mm | 6.75 mm | - |
| Termination Post Length | 2.9 mm | 2.9 mm | - |
| Tradename | BergStik | BergStik | - |
| Packaging | Bulk | Bulk | - |
| Current Rating | 3 A | 3 A | - |
| Housing Material | Thermoplastic | Thermoplastic | - |
| Voltage Rating | 1.5 kV | 1.5 kV | - |
| Brand | Amphenol FCI | Amphenol FCI | - |
| Contact Material | Phosphor Bronze | Phosphor Bronze | - |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | - |
| Housing Gender | - | - | - |
| Insulation Resistance | 5000 MOhms | 5000 MOhms | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 200 | 100 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | 7731112420LF | 7731112421LF | - |