| PartNumber | HDWM-05-55-L-S-311 | HDWM-05-55-G-D-255-SM | HDWM-05-55-G-S-400 |
| Description | Board to Board & Mezzanine Connectors .050" X .100" Flex Stack, High-Temp Micro Board Stacker | Board to Board & Mezzanine Connectors .050" X .100" Flex Stack, High-Temp Micro Board Stacker | Board to Board & Mezzanine Connectors .050" X .100" Flex Stack, High-Temp Micro Board Stacker |
| Manufacturer | Samtec | Samtec | Samtec |
| Product Category | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| RoHS | Y | Y | Y |
| Product | Headers | Headers | Headers |
| Number of Positions | 5 Position | 10 Position | 5 Position |
| Pitch | 1.27 mm | 1.27 mm | 1.27 mm |
| Number of Rows | 1 Row | 2 Row | 1 Row |
| Termination Style | Through Hole | SMD/SMT | Through Hole |
| Mounting Angle | Straight | Straight | Straight |
| Series | HDWM | HDWM | HDWM |
| Packaging | Bulk | Bulk | Bulk |
| Application | Optional polarization | Optical Polarization | - |
| Contact Plating | Gold | Gold | Gold |
| Housing Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) |
| Brand | Samtec | Samtec | Samtec |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze |
| Flammability Rating | Ul 94 V-0 | - | - |
| Mounting Style | Straight Pin | SMD | Straight Pin |
| 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 | 7.8994 mm | 6.477 mm | 10.16 mm |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Tradename | Flex Stack | Flex Stack | Flex Stack |
| Termination Post Length | - | - | 3.05 mm |