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77311-818-04LF — Amphenol product photo
Amphenol

77311-818-04LF Amphenol ICC BERGSTIK® Header 4 Pos 2.54mm

MPN77311-818-04LF
Active

Amphenol ICC (FCI) BERGSTIK®, Board to Board, Unshrouded Header, 4 Positions, 1 Row, 0.100" (2.54mm) Pitch, Through Hole, Solder, Male Pin, 3 A per Contact, Gold or Gold, GXT™ Mating Finish, UL94 V-0, Black, Bulk

$0.4100Ref. price · indicative, final on quote
77311-818-04LF datasheet
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
  • New & original stockTraceable channels only — no mixed lots, no re-taped reels.
  • Factory packaging where availableSealed reels, trays and bags; cut quantities always stated on the quote.
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Specifications

77311-818-04LF Technical Specifications
ParameterValue
SeriesBERGSTIK®
GenderMale Pin
Mounting typeThrough Hole
Connector typeHeader
Fastening typePush-Pull
Current rating3A per Contact
Operating temperature-65°C~125°C
Contact materialPhosphor Bronze
Insulation colorBlack
Insulation height0.100\" (2.54mm)
Insulation materialThermoplastic
Material flammability ratingUL94 V-0
StyleBoard to Board
PackageBulk
ShroudingUnshrouded
TerminationSolder
Contact shapeSquare
Rows1
Pitch0.100\" (2.54mm)
Positions4
Contact finish - postTin
Contact length - post0.120\" (3.05mm)
Overall contact length0.450\" (11.43mm)
Contact finish - matingGold or Gold, GXT™
Contact length - mating0.230\" (5.84mm)
Contact finish thickness - post78.7µin (2.00µm)
Contact finish thickness - mating15.0µin (0.38µm)

Product details

This 4-position version sits between the 2-position (77311-818-02LF) and 6-position (77311-818-06LF) siblings in the same BERGSTIK® single-row unshrouded line. If the BOM calls for 6 circuits, the 77311-818-06LF is a direct footprint match; if 2, the 77311-818-02LF fits the same pattern. No shrouding or keying — the header is a bare pin strip, so the mating receptacle must have its own polarization guide. The push-pull fastening means the connector pair separates under cable tension without a secondary latch, which is typical for internal board-stacking or low-vibration environments.

The 0.230" mating pin length engages standard box-type receptacles with full contact wipe. Termination is solder to through-hole pads — the 0.120" post length fits a 1.6mm (0.063") board thickness with enough protrusion for a visible solder fillet.

Frequently asked questions

Where can I buy 77311-818-04LF and how do I get a price?

No stock-holding guarantee is made on this page.

Is 77311-818-04LF a direct replacement for 77311-818-06LF?

No — the 77311-818-06LF has 6 positions, not 4. Pitch, plating, current rating, and overall length are identical, so the two share the same footprint per row, but the pin count difference means the board layout must match the BOM position count.