Pitch, footprint and routing
The 77311-427-30LF: With a 0.260" (6.60mm) mating length and 0.105" (2.67mm) post length, the header accommodates standard 0.062" (1.6mm) PCBs while leaving clearance for the mating receptacle.

Amphenol ICC (FCI) BERGSTIK header, order code 77311-427-30LF, 30 positions, single row, 0.100" (2.54mm) pitch, 3 A per contact, tin-plated mating contacts, through-hole, solder termination.
| 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 |
| Parameter | Value |
|---|---|
| Style | Board to Board |
| Package | Bag |
| Shrouding | Unshrouded |
| Termination | Solder |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 30 |
| Contact finish - post | Tin |
| Contact length - post | 0.105\" (2.67mm) |
| Overall contact length | 0.465\" (11.81mm) |
| Contact finish - mating | Tin |
| Contact length - mating | 0.260\" (6.60mm) |
| Contact finish thickness - post | 78.7µin (2.00µm) |
| Contact finish thickness - mating | 78.7µin (2.00µm) |
The 77311-427-30LF: With a 0.260" (6.60mm) mating length and 0.105" (2.67mm) post length, the header accommodates standard 0.062" (1.6mm) PCBs while leaving clearance for the mating receptacle.
The header uses a UL94 V-0 thermoplastic insulator. RoHS and REACH compliance documentation is provided by Amphenol ICC (FCI) per the series standard.