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| PartNumber | 8520-4500JL | 8520-4500PL | 8520-4500JL20P |
| Description | Headers & Wire Housings 20P STRT PLRZD SKT | Headers & Wire Housings 20P STRT PLRZD SKT | |
| Manufacturer | 3M | 3M | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | N | Y | - |
| Product | Headers | Headers | - |
| Type | Socket Assembly | Socket | - |
| Number of Positions | 20 Position | 20 Position | - |
| Pitch | 2.54 mm | 2.54 mm | - |
| Number of Rows | 2 Row | 2 Row | - |
| Mounting Style | - | Straight Pin | - |
| Termination Style | Through Hole | Through Hole | - |
| Contact Gender | Socket (Female) | Socket (Female) | - |
| Contact Plating | Tin | Gold | - |
| Series | 8500 | 8500 | - |
| Current Rating | 1 A | 1 A | - |
| Housing Material | Polyester | Polybutylene Terephthalate (PBT) | - |
| Voltage Rating | 1 kV | - | - |
| Brand | 3M Electronic Solutions Division | 3M Electronic Solutions Division | - |
| Contact Material | Copper Alloy | Copper Alloy | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 100 | 100 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | JE150079216 | 54745226287 JE150318747 | - |
| Mounting Angle | - | Straight | - |
| Mating Post Length | - | - | - |
| Termination Post Length | - | 2.8 mm | - |
| Accessory Type | - | - | - |
| Contact Type | - | - | - |
| Flammability Rating | - | UL 94 V-0 | - |
| Row Spacing | - | 2.54 mm | - |
| Housing Gender | - | - | - |
| Latching Type | - | Unlatched | - |
| Maximum Operating Temperature | - | + 105 C | - |
| Minimum Operating Temperature | - | - 55 C | - |
| Unit Weight | - | 0.159973 oz | - |