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| PartNumber | 77311-818-21LF | 77311-818-20LF | 77311-818-22LF |
| Description | Headers & Wire Housings 21P STR SR TMT HDR .38 AU .45IN LENGTH | Headers & Wire Housings 20P STR SR TMT HDR .38 AU .45IN LENGTH | Headers & Wire Housings 22P STR SR TMT HDR .38 AU .45IN LENGTH |
| Manufacturer | FCI / Amphenol | Amphenol FCI | - |
| Product Category | Headers & Wire Housings | Rectangular Connectors - Headers, Male Pins | - |
| RoHS | Y | - | - |
| Product | Headers | - | - |
| Type | Unshrouded | - | - |
| Number of Positions | 21 Position | 20 | - |
| Pitch | 2.54 mm | 0.100" (2.54mm) | - |
| Number of Rows | 1 Row | 1 | - |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | - | - |
| Mounting Angle | Vertical | - | - |
| Contact Gender | Pin (Male) | - | - |
| Contact Plating | Gold | - | - |
| Mating Post Length | 5.84 mm | - | - |
| Termination Post Length | 3.05 mm | - | - |
| Tradename | BergStik | - | - |
| Packaging | Bulk | Bulk | - |
| Current Rating | 3 A | - | - |
| Housing Material | Thermoplastic | - | - |
| Voltage Rating | 1.5 kV | - | - |
| Brand | Amphenol FCI | - | - |
| Contact Material | Phosphor Bronze | - | - |
| Flammability Rating | UL 94 V-0 | - | - |
| Housing Gender | - | - | - |
| Insulation Resistance | 5000 MOhms | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Minimum Operating Temperature | - 65 C | - | - |
| Product Type | Headers & Wire Housings | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Headers & Wire Housings | - | - |
| Part # Aliases | 7731181821LF | - | - |
| Color | - | Black | - |
| Series | - | BERGSTIKR, MezzSelect, Basics+ | - |
| Termination | - | Solder | - |
| Mounting Type | - | Through Hole | - |
| Features | - | - | - |
| Connector Type | - | Header, Unshrouded | - |
| Contact Finish | - | Gold or Gold, GXT | - |
| Contact Finish Thickness | - | 15μin (0.38μm) | - |
| Number of Positions Loaded | - | All | - |
| Contact Type | - | Male Pin | - |
| Row Spacing | - | - | - |
| Fastening Type | - | - | - |
| Contact Mating Length | - | 0.230" (5.84mm) | - |