Through-Hole Mounting and Solder Termination
The 77311-124-25LF: Mounts through-hole with solder termination. The black housing provides visual contrast for inspection.
It is in current manufacture by Amphenol ICC (FCI).

Amphenol ICC (FCI) BERGSTIK 77311-124-25LF, unshrouded single-row header, 25 positions, 0.100" (2.54mm) pitch, through-hole solder termination, gold or GXT™ mating finish, 3 A per contact, UL94 V-0 thermoplastic, -65°C to 125°C.
| Parameter | Value |
|---|---|
| Series | BERGSTIK® |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header |
| Fastening type | Push-Pull |
| Current rating | 3A per Contact |
| Operating temperature | -65°C~125°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 |
| Package | Bag |
| Shrouding | Unshrouded |
| Termination | Solder |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 25 |
| Contact finish - post | Tin |
| Contact length - post | 0.114\" (2.90mm) |
| Overall contact length | 0.480\" (12.19mm) |
| Contact finish - mating | Gold or Gold, GXT™ |
| Contact length - mating | 0.266\" (6.75mm) |
| Contact finish thickness - post | 78.7µin (2.00µm) |
| Contact finish thickness - mating | 30.0µin (0.76µm) |
The 77311-124-25LF: Mounts through-hole with solder termination. The black housing provides visual contrast for inspection.
It is in current manufacture by Amphenol ICC (FCI).
Submit an RFQ with your target quantity and delivery window. We source this active-production part through independent distribution and confirm price and lead time at quote — no stock-holding claim on our side.
It is a single-row, 25-position header with all positions loaded. Mates with a standard BergStik 25-position receptacle.