| PartNumber | HDWM-25-54-G-D-260-SM | HDWM-25-54-G-D-375 | HDWM-25-54-G-D-435-SM-A |
| 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 | 50 Position | 50 Position | 50 Position |
| Pitch | 1.27 mm | 1.27 mm | 1.27 mm |
| Number of Rows | 2 Row | 2 Row | 2 Row |
| Termination Style | SMD/SMT | Through Hole | SMD/SMT |
| Mounting Angle | Straight | Straight | Straight |
| Series | HDWM | HDWM | HDWM |
| Packaging | Tube | Tube | Tube |
| Application | Optional polarization | Optional polarization | Optional 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 | UL 94 V-0 | UL 94 V-0 |
| Mounting Style | SMD | Straight Pin | SMD |
| 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 | 6.604 mm | 9.525 mm | 11.049 mm |
| Factory Pack Quantity | 18 | 18 | 18 |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Tradename | Flex Stack | Flex Stack | Flex Stack |