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| PartNumber | 74388-001 | 74388-091LF | 74388-001LF |
| Description | Board to Board & Mezzanine Connectors MEG-ARRAY 400POS REC | Board to Board & Mezzanine Connectors 400P RCPT 4MM W/CAP | Board to Board & Mezzanine Connectors MEG-ARRAY 400POS REC |
| Manufacturer | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Product Category | Rectangular - Board to Board Connectors - Arrays, Edge Type, Mezzanine | Rectangular - Board to Board Connectors - Arrays, Edge Type, Mezzanine | Rectangular - Board to Board Connectors - Arrays, Edge Type, Mezzanine |
| Series | MEG-ArrayR, MezzSelect | MEG-ArrayR, MezzSelect | MEG-ArrayR, MezzSelect |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Features | - | - | - |
| Height Above Board | 0.211" (5.35mm) | 0.211" (5.35mm) | 0.211" (5.35mm) |
| Connector Type | Array, Female Sockets | Array, Female Sockets | Array, Female Sockets |
| Contact Finish | Gold | Gold, GXT | Gold |
| Contact Finish Thickness | 15μin (0.38μm) | 15μin (0.38μm) | 15μin (0.38μm) |
| Number of Positions | 400 | 400 | 400 |
| Pitch | 0.050" (1.27mm) | 0.050" (1.27mm) | 0.050" (1.27mm) |
| Number of Rows | 10 | 10 | 10 |
| Mated Stacking Heights | 6mm, 12mm | 6mm, 12mm | 6mm, 12mm |