| PartNumber | EW-20-12-G-D-370 | EW-20-12-G-D-300 | EW-20-12-G-D-355 |
| Description | Board to Board & Mezzanine Connectors .100" Flex Stack, Flexible Board Stacker, .330" Tail | Board to Board & Mezzanine Connectors .100" Flex Stack, Flexible Board Stacker, .330" Tail | Board to Board & Mezzanine Connectors .100" Flex Stack, Flexible Board Stacker, .330" Tail |
| 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 | 40 Position | 40 Position | 40 Position |
| Pitch | 2.54 mm | 2.54 mm | 2.54 mm |
| Number of Rows | 2 Row | 2 Row | 2 Row |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Mounting Angle | Vertical | Vertical | Vertical |
| Series | EW | EW | EW |
| Packaging | Bulk | Bulk | Bulk |
| Application | Elevated Board Stacking | Elevated Board Stacking | Elevated Board Stacking |
| Contact Plating | Gold | Gold | Gold |
| Housing Material | Polyester | Polyester | Polyester |
| 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 | Straight Pin | Straight Pin | 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 | 9.398 mm | 7.62 mm | 9.017 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 |