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| PartNumber | 317-87-121-41-005101 | 317-87-120-01-687101 | 317-87-121-01-687101 |
| Description | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Manufacturer | Preci-dip | Preci-dip | Preci-dip |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | Y | Y |
| Brand | Preci-dip | Preci-dip | Preci-dip |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 500 | - | 700 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Product | - | - | Headers |
| Type | - | - | Socket |
| Number of Positions | - | - | 21 Position |
| Pitch | - | - | 1.8 mm |
| Number of Rows | - | - | 1 Row |
| Mounting Style | - | - | Straight Pin |
| Termination Style | - | - | Through Hole |
| Mounting Angle | - | - | Straight |
| Contact Gender | - | - | Socket (Female) |
| Contact Plating | - | - | Gold |
| Termination Post Length | - | - | 3.17 mm |
| Contact Type | - | - | - |
| Current Rating | - | - | 1 A |
| Housing Material | - | - | Polyester (PCT) |
| Contact Material | - | - | Beryllium Copper |
| Flammability Rating | - | - | UL 94 V-0 |
| Row Spacing | - | - | - |
| Housing Gender | - | - | - |
| Maximum Operating Temperature | - | - | + 125 C |
| Minimum Operating Temperature | - | - | - 55 C |