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| PartNumber | 54122-109201250LF | 54122-109201500LF | 54122-109201150LF |
| Description | Headers & Wire Housings BergStik | Headers & Wire Housings 578-5NPF-BERGSTIK STR | Headers & Wire Housings 20P STR DR UNSHR HDR 11.5MM STACK HEIGHT |
| Manufacturer | FCI / Amphenol | - | Amphenol FCI |
| Product Category | Headers & Wire Housings | - | Rectangular - Board to Board Connectors - Board Spacers, Stackers |
| RoHS | Y | - | - |
| Product | Headers | - | - |
| Pitch | 2.54 mm | - | 0.100" (2.54mm) |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | - | - |
| Termination Post Length | 3.05 mm | - | - |
| Tradename | BergStik | - | - |
| Current Rating | 3 A | - | - |
| Housing Material | Thermoplastic (TP) | - | - |
| Voltage Rating | 1.5 kV | - | - |
| Brand | Amphenol FCI | - | - |
| Contact Material | Phosphor Bronze | - | - |
| Insulation Resistance | 5000 MOhms | - | - |
| Product Type | Headers & Wire Housings | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Headers & Wire Housings | - | - |
| Part # Aliases | 54122109201250LF | - | - |
| Color | - | - | Black |
| Series | - | - | BERGSTIKR, MezzSelect, Basics+ |
| Packaging | - | - | Bulk |
| Termination | - | - | Solder |
| Mounting Type | - | - | Through Hole |
| Number of Positions | - | - | 20 |
| Number of Rows | - | - | 2 |
| Row Spacing | - | - | 0.100" (2.54mm) |
| Length Overall | - | - | 1.025" (26.03mm) |
| Length Post Mating | - | - | 0.453" (11.49mm) |
| Length Stack Height | - | - | 0.453" (11.50mm) |
| Length Tail | - | - | 0.120" (3.05mm) |
| Contact Finish Post Mating | - | - | Gold, GXT |
| Contact Finish Thickness Post Mating | - | - | 30μin (0.76μm) |