Current and Contact Duty: 3 A with Gold Mating Surface
The 77313-818-04LF: The post is tin-plated (78.7 µinch), which wets well in wave solder and gives a reliable solder joint at the board interface.
RoHS compliant per current directive.

Amphenol ICC (FCI) BERGSTIK® series, 77313-818-04LF, unshrouded breakaway header, 4 circuits, 2 rows, 0.100" (2.54 mm) pitch, through-hole solder termination, gold-plated mating contacts, rated 3 A per contact, UL94 V-0.
| 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 | Bulk |
| Shrouding | Unshrouded |
| Termination | Solder |
| Contact shape | Square |
| Rows | 2 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 4 |
| Row spacing - mating | 0.100\" (2.54mm) |
| Contact finish - post | Tin |
| Contact length - post | 0.120\" (3.05mm) |
| Overall contact length | 0.450\" (11.43mm) |
| Contact finish - mating | Gold or Gold, GXT™ |
| Contact length - mating | 0.230\" (5.84mm) |
| Contact finish thickness - post | 78.7µin (2.00µm) |
| Contact finish thickness - mating | 15.0µin (0.38µm) |
The 77313-818-04LF: The post is tin-plated (78.7 µinch), which wets well in wave solder and gives a reliable solder joint at the board interface.
RoHS compliant per current directive.
The unshrouded header requires the mating half to provide its own keying.
No official pin-compatible alternative is listed by Amphenol ICC for this exact order code. The 77313 base number covers multiple position counts and plating options — confirm the circuit count and finish before substituting.