| PartNumber | 66900-040LF | 66900-044 | 66900-040 |
| Description | Headers & Wire Housings 2X20 POS RCPT | Headers & Wire Housings QUICKIE FEMALE | Headers & Wire Housings 2X20 POS RCPT |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | FCI / Amphenol |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | N | N |
| Product | Wire Housings | Wire Housings | Wire Housings |
| Type | Receptacle Housing | Receptacle Housing | Receptacle Housing |
| Number of Positions | 40 Position | - | 40 Position |
| Pitch | 2.54 mm | - | 2.54 mm |
| Number of Rows | 2 Row | 2 Row | 2 Row |
| Mounting Style | Cable | - | Cable |
| Termination Style | IDC | - | IDC |
| Contact Gender | Socket (Female) | - | Socket (Female) |
| Contact Plating | Gold | - | Gold |
| Series | Quickie | Quickie | Quickie |
| Tradename | Quickie | Quickie | Quickie |
| Packaging | Tube | Tube | Tube |
| Housing Material | Thermoplastic | - | Thermoplastic |
| Brand | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Contact Material | Copper Alloy | - | Copper Alloy |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 10 | 10 | 10 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 66900040LF | 66900044 | 66900040 |
| Current Rating | - | - | 1 A |
| Voltage Rating | - | - | 1 kV |
| Compliance | - | - | UL, CSA |