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| PartNumber | HTST-120-04-SM-D-RA-20 | HTST-120-04-L-D-RA | HTST-120-04-T-D-RA |
| Description | Headers & Wire Housings .100" High-Temp Shrouded Terminal Strip, Cable Mate | Headers & Wire Housings .100" High-Temp Shrouded Terminal Strip, Cable Mate | Conn Shrouded Header HDR 40 POS 2.54mm Solder RA Thru-Hole Tube |
| Manufacturer | Samtec | Samtec | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | Y | Y | - |
| Product | Headers | Headers | - |
| Type | Shrouded | Shrouded | - |
| Pitch | 2.54 mm | 2.54 mm | - |
| Number of Rows | 2 Row | 2 Row | - |
| Contact Gender | Pin (Male) | Pin (Male) | - |
| Series | HTST | HTST | - |
| Tradename | Flex Stack | Flex Stack | - |
| Packaging | Tube | Tube | - |
| Contact Type | - | - | - |
| Current Rating | 3.4 A | 3.4 A | - |
| Housing Material | Liquid Crystal Polymer (LCP) | Liquid Crystal Polymer (LCP) | - |
| Brand | Samtec | Samtec | - |
| Contact Material | Phosphor Bronze | Phosphor Bronze | - |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | - |
| Row Spacing | 2.54 mm | 2.54 mm | - |
| Housing Gender | - | - | - |
| Latching Type | Unlatched | Unlatched | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 9 | 9 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |