Pitch and position count — what fits the board
The 77313-401-40LF: Each contact is rated 3 A with tin-plated mating surfaces; the through-hole solder termination suits standard wave-solder assembly.

Amphenol ICC (FCI) BERGSTIK header, breakaway, order code 77313-401-40LF, 40 positions, dual row, 0.100" (2.54 mm) pitch, 3 A per contact, tin-plated mating contacts, through-hole, solder termination.
| Parameter | Value |
|---|---|
| Series | BERGSTIK® |
| Gender | Male Pin |
| Mounting type | Through Hole |
| Connector type | Header, Breakaway |
| Fastening type | Push-Pull |
| Current rating | 3A per Contact |
| Operating temperature | -65°C~130°C |
| Contact material | Phosphor Bronze |
| Insulation color | Black |
| Insulation height | 0.100\" (2.54mm) |
| Insulation material | Thermoplastic |
| Material flammability rating | UL94 V-0 |
| Style | Board to Board or Cable |
| Package | Bag |
| Shrouding | Unshrouded |
| Termination | Solder |
| Contact shape | Square |
| Rows | 2 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 40 |
| Row spacing - mating | 0.100\" (2.54mm) |
| Contact finish - post | Tin |
| Contact length - post | 0.095\" (2.41mm) |
| Overall contact length | 0.425\" (10.80mm) |
| Contact finish - mating | Tin |
| Contact length - mating | 0.230\" (5.84mm) |
| Contact finish thickness - post | 78.7µin (2.00µm) |
| Contact finish thickness - mating | 78.7µin (2.00µm) |
The 77313-401-40LF: Each contact is rated 3 A with tin-plated mating surfaces; the through-hole solder termination suits standard wave-solder assembly.
Amphenol ICC (FCI) is the manufacturer.
The listed style is Board to Board or Cable, indicating it can interconnect two PCBs or a PCB to a cable assembly.