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| PartNumber | AXE540127A | AXE540127D | AXE540127 |
| Description | Board to Board & Mezzanine Connectors Narrow Pitch Connect (Board to FPC) 0.4mm | Board to Board & Mezzanine Connectors Narrow Pitch Connect (Board to FPC) 0.4mm | |
| Manufacturer | Panasonic | - | Panasonic Electric Works |
| Product Category | Board to Board & Mezzanine Connectors | - | Rectangular - Board to Board Connectors - Arrays, Edge Type, Mezzanine |
| RoHS | Y | - | - |
| Series | A4S | - | A4S |
| Packaging | Bulk | - | Tape & Reel (TR) Alternate Packaging |
| Brand | Panasonic | - | - |
| Product Type | Board to Board & Mezzanine Connectors | - | - |
| Factory Pack Quantity | 500 | - | - |
| Subcategory | Board to Board & Mezzanine Connectors | - | - |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Solder Retention |
| Height Above Board | - | - | 0.030" (0.75mm) |
| Connector Type | - | - | Socket, Center Strip Contacts |
| Contact Finish | - | - | Gold |
| Contact Finish Thickness | - | - | - |
| Number of Positions | - | - | 40 |
| Pitch | - | - | 0.016" (0.40mm) |
| Number of Rows | - | - | 2 |
| Mated Stacking Heights | - | - | 0.8mm, 1mm |