| PartNumber | M55-6015042R | M55-6012042R | M55-6012642R |
| Description | Board to Board & Mezzanine Connectors 50P 1.27 SMC Female Vertical SMT Type | Board to Board & Mezzanine Connectors 20P 1.27 SMC Female Vertical SMT Type | Board to Board & Mezzanine Connectors 26P 1.27 SMC Female Vertical SMT Type |
| Manufacturer | Harwin | Harwin | Harwin |
| Product Category | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| RoHS | Y | Y | Y |
| Product | Receptacles | Receptacles | Receptacles |
| Number of Positions | 50 Position | 20 Position | 26 Position |
| Pitch | 1.27 mm | 1.27 mm | 1.27 mm |
| Number of Rows | 2 Row | 2 Row | 2 Row |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Mounting Angle | Straight | Straight | Straight |
| Current Rating | 1.2 A | 1.2 A | 1.2 A |
| Voltage Rating | 100 V | 100 V | 100 V |
| Packaging | Reel | Reel | Reel |
| Contact Plating | Gold | Gold | Gold |
| Housing Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
| Brand | Harwin | Harwin | Harwin |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | UL 94 V-0 |
| Mounting Style | Mounting Peg | Mounting Peg | Mounting Peg |
| Insulation Resistance | 10 GOhms | 10 GOhms | 10 GOhms |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Product Type | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Stack Height | 9.05 mm | 9.05 mm | 9.05 mm |
| Factory Pack Quantity | 400 | 400 | 400 |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Tradename | Archer Kontrol | Archer Kontrol | Archer Kontrol |