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| PartNumber | 53611-S40-4RLF | 53611-S40-4LF | 53611-S40-6 |
| Description | Headers & Wire Housings QKE LATCH HDR 2X20 RET | Headers & Wire Housings EJECT LATCH.100 SHRD | Headers & Wire Housings EJECT LATCH.100"SHRD HDR-0.100"VERTICAL, 15 GOLD |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | Amphenol FCI |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Rectangular Connectors - Headers, Male Pins |
| Packaging | Tray | Tray | Tray |
| Brand | Amphenol FCI | Amphenol FCI | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 18 | 18 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | 53611S404RLF | 53611S404LF | - |
| RoHS | - | Y | - |
| Product | - | Headers | - |
| Type | - | Latch / Eject | - |
| Number of Positions | - | 40 Position | 40 |
| Pitch | - | 2.54 mm | 0.100" (2.54mm) |
| Number of Rows | - | 2 Row | 2 |
| Mounting Style | - | - | - |
| Termination Style | - | Through Hole | - |
| Mounting Angle | - | Straight | - |
| Contact Plating | - | Gold | - |
| Mating Post Length | - | 5.84 mm | - |
| Termination Post Length | - | 3.05 mm | - |
| Series | - | Quickie | |
| Tradename | - | Quickie | - |
| Current Rating | - | 3 A | - |
| Housing Material | - | Thermoplastic (TP) | - |
| Voltage Rating | - | 1.5 kV | - |
| Contact Material | - | Copper Alloy | - |
| Insulation Resistance | - | 10000 MOhms | - |
| Maximum Operating Temperature | - | + 125 C | - |
| Minimum Operating Temperature | - | - 65 C | - |
| Color | - | - | Black |
| Termination | - | - | Solder |
| Mounting Type | - | - | Through Hole |
| Features | - | - | - |
| Connector Type | - | - | Header, Shrouded |
| Contact Finish | - | - | Gold or Gold, GXT |
| Contact Finish Thickness | - | - | 15μin (0.38μm) |
| Number of Positions Loaded | - | - | All |
| Contact Type | - | - | Male Pin |
| Row Spacing | - | - | 0.100" (2.54mm) |
| Fastening Type | - | - | Latch Lock/Eject Hooks |
| Contact Mating Length | - | - | 0.230" (5.84mm) |