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| PartNumber | RSM-128-02-S-S-K | RSM-128-02-S-S | RSM-128-02-S-D |
| Description | Board to Board & Mezzanine Connectors .050" X .100" Surface Mount Micro Socket Strip | Board to Board & Mezzanine Connectors .050" X .100" Surface Mount Micro Socket Strip | Board to Board & Mezzanine Connectors .050" X .100" Surface Mount Micro Socket Strip |
| 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 | Sockets | Sockets | Sockets |
| Number of Positions | 28 Position | 28 Position | 56 Position |
| Pitch | 1.27 mm | 1.27 mm | 1.27 mm |
| Number of Rows | 1 Row | 1 Row | 2 Row |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Mounting Angle | Straight | Straight | Straight |
| Current Rating | 3.1 A | 3.1 A | 3.1 A |
| Series | RSM | RSM | RSM |
| Packaging | Tube | Tube | Tube |
| 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 | SMD | 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 |
| Factory Pack Quantity | 16 | 16 | 16 |
| Subcategory | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors | Board to Board & Mezzanine Connectors |
| Termination Post Length | - | - | - |