| PartNumber | 20021121-00040T4LF | 20021121-00040T1LF | 20021121-00040T8LF |
| Description | Headers & Wire Housings 1.27mm BTB, Hdr, SMT Unshrd, 40 Pos, Tube | Headers & Wire Housings HD SMT | Headers & Wire Housings HD SMT |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | - |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | - |
| RoHS | Y | Y | - |
| Product | Headers | Headers | - |
| Type | Pin Strip | Pin Strip | - |
| Number of Positions | 40 Position | - | - |
| Pitch | 1.27 mm | - | - |
| Number of Rows | 2 Row | - | - |
| Mounting Style | SMD | - | - |
| Termination Style | SMD/SMT | - | - |
| Mounting Angle | Straight | - | - |
| Contact Gender | Pin (Male) | - | - |
| Contact Plating | Gold | - | - |
| Mating Post Length | 3.05 mm | 3.05 mm | - |
| Series | Minitek127 | Minitek127 | - |
| Tradename | Minitek | Minitek127 | - |
| Packaging | Tube | Tube | - |
| Accessory Type | - | - | - |
| Contact Type | - | - | - |
| Current Rating | 1 A | - | - |
| Housing Material | Thermoplastic | - | - |
| Voltage Rating | 125 V | - | - |
| Brand | Amphenol FCI | Amphenol FCI | - |
| Contact Material | Copper Alloy | - | - |
| Flammability Rating | UL 94 V-0 | - | - |
| Row Spacing | 1.27 mm | - | - |
| Housing Gender | - | - | - |
| Insulation Resistance | 1 GOhms | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | - |
| Factory Pack Quantity | 23 | 23 | - |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | - |
| Part # Aliases | 2002112100040T4LF | 2002112100040T1LF | - |