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| PartNumber | 851-83-004-40-252101 | 851-83-004-20-001101 | 851-83-004-30-001101 |
| 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 | 1500 | 1500 | 1800 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Product | - | Headers | - |
| Type | - | Socket | - |
| Number of Positions | - | 4 Position | - |
| Pitch | - | 1.27 mm | - |
| Number of Rows | - | 1 Row | - |
| Mounting Style | - | Straight Pin | - |
| Termination Style | - | Through Hole | - |
| Mounting Angle | - | Right Angle | - |
| Contact Gender | - | Socket (Female) | - |
| Contact Plating | - | Gold | - |
| Termination Post Length | - | 3 mm | - |
| Series | - | 851 | - |
| 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 | - |