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| PartNumber | 256-4205-00 | 256-4205-01 | 256-420 |
| Description | IC & Component Sockets Textool QFN .4MM,56P EVEN RW,W/O THRML PN | IC & Component Sockets Textool QFN .4MM,56P EVEN ROW,W/THRML PIN | |
| Manufacturer | - | 3M | - |
| Product Category | - | Sockets for ICs, Transistors | - |
| Series | - | Textool | - |
| Type | - | QFN | - |
| Packaging | - | Bulk | - |
| Termination | - | Solder | - |
| Operating Temperature | - | - | - |
| Mounting Type | - | Through Hole | - |
| Features | - | Open Frame | - |
| Housing Material | - | Polyethersulfone (PES) | - |
| Number of Positions or Pins Grid | - | 56 (4 x 14) | - |
| Pitch Mating | - | 0.016" (0.40mm) | - |
| Contact Finish Mating | - | Gold | - |
| Pitch Post | - | 0.016" (0.40mm) | - |
| Contact Finish Post | - | Gold | - |
| Contact Finish Thickness Mating | - | - | - |
| Contact Material Mating | - | Beryllium Copper | - |
| Contact Finish Thickness Post | - | - | - |
| Contact Material Post | - | Beryllium Copper | - |