| PartNumber | M40-6002146R | M40-6002146 | M40-6002546 |
| Description | Board to Board & Mezzanine Connectors 21 WAY SMT PLUG T&R 1K/REEL | Board to Board & Mezzanine Connectors 21P DIL SMT PLG ASSY 1MM PITCH-VERTICAL | Board to Board & Mezzanine Connectors 25 WAY SMT PLUG |
| Manufacturer | Harwin | Harwin | Harwin Inc. |
| Product Category | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Rectangular - Board to Board Connectors - Arrays, Edge Type, Mezzanine |
| RoHS | Y | Y | - |
| Series | M40 | M40 | M40 |
| Brand | Harwin | Harwin | - |
| Product Type | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | - |
| Factory Pack Quantity | 1000 | 35 | - |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | - |
| Unit Weight | 0.010582 oz | 0.008818 oz | - |
| Number of Positions | - | 21 Position | 25 |
| Pitch | - | 1 mm | 0.039" (1.00mm) |
| Number of Rows | - | 1 Row | 2 |
| Packaging | - | - | Tube |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Board Guide, Solder Retention |
| Height Above Board | - | - | 0.130" (3.30mm) |
| Connector Type | - | - | Plug, Center Strip Contacts |
| Contact Finish | - | - | Tin |
| Contact Finish Thickness | - | - | 80μin (2.03μm) |
| Mated Stacking Heights | - | - | 4.3mm |