| PartNumber | AXK840125WG | AXK840145WA | AXK840135WG |
| Description | Board to Board & Mezzanine Connectors RECOMMENDED ALT 769-AXT440124 | Board to Board & Mezzanine Connectors Narrow Pitch Connect Board to FPC 0.4mm | Board to Board & Mezzanine Connectors CONN HEADER FPC 40 POS 0.4mm |
| Manufacturer | Panasonic | Panasonic | Panasonic |
| Product Category | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Product | Headers | - | Headers |
| Number of Positions | 40 Position | - | 40 Position |
| Pitch | 0.4 mm | - | 0.4 mm |
| Termination Style | SMD/SMT | - | SMD/SMT |
| Mounting Angle | Vertical | - | Vertical |
| Current Rating | 300 mA | - | 300 mA |
| Voltage Rating | 60 V | - | 60 V |
| Packaging | Reel | Bulk | Reel |
| Contact Plating | Gold | - | Gold |
| Housing Material | Liquid Crystal Polymer (LCP) | - | Liquid Crystal Polymer (LCP) |
| Brand | Panasonic Industrial Devices | Panasonic Industrial Devices | Panasonic Industrial Devices |
| Contact Material | Copper Alloy | - | Copper Alloy |
| Product Type | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Factory Pack Quantity | 3000 | 500 | 3000 |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Series | - | P4 | P4 |
| RoHS | - | - | E |