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| PartNumber | 28-6551-18 | 28-6551-16 | 28-6551-11 |
| Description | IC & Component Sockets 28P UNIV ZIF SKT | IC & Component Sockets DIP TEST SCKT NICKEL 28 PINS | IC & Component Sockets DIP TEST SCKT GOLD 28 PINS |
| Manufacturer | Aries Electronics | - | Aries Electronics |
| Product Category | Sockets for ICs, Transistors | - | Sockets for ICs, Transistors |
| Series | 55 | - | 55 |
| Type | DIP, ZIF (ZIP), 0.6" (15.24mm) Row Spacing | - | DIP, ZIF (ZIP), 0.6" (15.24mm) Row Spacing |
| Packaging | Bulk | - | Bulk |
| Termination | Solder | - | Solder |
| Operating Temperature | -55°C ~ 250°C | - | - |
| Mounting Type | Through Hole | - | Through Hole |
| Features | Closed Frame | - | Closed Frame |
| Housing Material | Polyetheretherketone (PEEK), Glass Filled | - | Polyphenylene Sulfide (PPS), Glass Filled |
| Number of Positions or Pins Grid | 28 (2 x 14) | - | 28 (2 x 14) |
| Pitch Mating | 0.100" (2.54mm) | - | 0.100" (2.54mm) |
| Contact Finish Mating | Nickel Boron | - | Gold |
| Pitch Post | 0.100" (2.54mm) | - | 0.100" (2.54mm) |
| Contact Finish Post | Nickel Boron | - | Gold |
| Contact Finish Thickness Mating | 50μin (1.27μm) | - | - |
| Contact Material Mating | Beryllium Nickel | - | Beryllium Copper |
| Contact Finish Thickness Post | 50μin (1.27μm) | - | - |
| Contact Material Post | Beryllium Nickel | - | Beryllium Copper |