2.54 mm pitch, 4 positions, unshrouded
The 54201-G0804ALF is the 4-circuit member of Amphenol ICC (FCI)'s BERGSTIK unshrouded header line, a single-row board-to-board interconnect at 2.54 mm pitch.

Amphenol ICC (FCI) BERGSTIK header, order code 54201-G0804ALF, 4 positions, single row, 2.54 mm pitch, unshrouded, male pin, gold mating finish, surface-mount, solder termination.
| Parameter | Value |
|---|---|
| Series | BERGSTIK® |
| Gender | Male Pin |
| Mounting type | Surface Mount |
| Connector type | Header |
| Fastening type | Push-Pull |
| Contact material | Phosphor Bronze |
| Insulation color | Black |
| Insulation height | 0.100\" (2.54mm) |
| Material flammability rating | UL94 V-0 |
| Style | Board to Board |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Features | Pick and Place |
| Shrouding | Unshrouded |
| Termination | Solder |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 4 |
| Contact finish - post | Tin |
| Contact finish - mating | Gold or Gold, GXT™ |
| Contact length - mating | 0.230\" (5.84mm) |
| Contact finish thickness - post | 100.0µin (2.54µm) |
| Contact finish thickness - mating | 30.0µin (0.76µm) |
The 54201-G0804ALF is the 4-circuit member of Amphenol ICC (FCI)'s BERGSTIK unshrouded header line, a single-row board-to-board interconnect at 2.54 mm pitch.
The BERGSTIK series includes multiple single-row 2.54 mm pitch headers at different position counts — the 4-position 54201-G0804ALF is the lowest count; higher-position siblings share the same pitch and footprint.
RoHS and REACH documentation is available from the manufacturer.