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| PartNumber | HDWM-25-53-S-D-250-SM | HDWM-25-53-S-D-220 | HDWM-25-01-T-S-250 |
| 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 | 25 Position |
| Pitch | 1.27 mm | 1.27 mm | 1.27 mm |
| Number of Rows | 2 Row | 2 Row | 1 Row |
| Termination Style | SMD/SMT | Through Hole | Through Hole |
| Mounting Angle | Straight | Straight | Straight |
| Series | HDWM | HDWM | HDWM |
| Packaging | Tube | Tube | Tube |
| Application | Optical Polarization | Optional polarization | Optional polarization |
| Contact Plating | Gold | Gold | Tin |
| 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 |
| Mounting Style | SMD | Straight Pin | Straight Pin |
| Maximum Operating Temperature | + 125 C | + 125 C | + 105 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 | 6.35 mm | 5.588 mm | 6.35 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 |
| Flammability Rating | - | Ul 94 V-0 | Ul 94 V-0 |