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| PartNumber | 66527-020LF | 66527-020 | 66527-021 |
| Description | Headers & Wire Housings GUIDE PIN CARD CONNECTOR | Headers & Wire Housings HORZ CARD CONN DR100 | Board to Board & Mezzanine Connectors GUIDE PIN CARD CONN |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | Amphenol FCI |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Rectangular Connectors - Headers, Receptacles, Female Sockets |
| Product | Headers | - | - |
| Type | Socket | - | - |
| Number of Positions | 40 Position | 40 Position | 42 |
| Pitch | 2.54 mm | 2.54 mm | 0.100" (2.54mm) |
| Number of Rows | 2 Row | 2 Row | 2 |
| Mounting Style | Straight Pin | - | - |
| Termination Style | Through Hole | - | - |
| Mounting Angle | Right Angle | Right Angle | - |
| Contact Gender | Socket (Female) | - | - |
| Contact Plating | Gold | Gold | - |
| Termination Post Length | 2.92 mm | - | - |
| Series | BergStik | BergStik | DUBOX, MezzSelect, Basics+ |
| Tradename | BergStik | BergStik | - |
| Packaging | Tube | Tube | Tube |
| Contact Type | - | - | Female Socket |
| Current Rating | 3 A | - | - |
| Housing Material | Nylon | Nylon | - |
| Brand | Amphenol FCI | Amphenol FCI | - |
| Contact Material | Brass | Copper Alloy | - |
| Flammability Rating | UL 94 V-0 | - | - |
| Row Spacing | 2.54 mm | - | 0.100" (2.54mm) |
| Housing Gender | - | - | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 10 | 10 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | 66527020LF | 66527020 | - |
| RoHS | - | N | - |
| Compliance | - | UL, CSA | - |
| Color | - | - | Black |
| Termination | - | - | Solder |
| Mounting Type | - | - | Through Hole, Right Angle |
| Features | - | - | - |
| Connector Type | - | - | Receptacle |
| Contact Finish | - | - | Gold |
| Contact Finish Thickness | - | - | 30μin (0.76μm) |
| Number of Positions Loaded | - | - | All |
| Fastening Type | - | - | - |