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Amphenol 77311-402-28LF — Pin Headers, Sockets & Housings
Amphenol

77311-402-28LF BERGSTIK® Header, 28 Pos, 0.100" Pitch, Tin

MPN77311-402-28LF
Active

Amphenol ICC (FCI) BERGSTIK® series, 77311-402-28LF, unshrouded male pin header, 28 positions, single row, 0.100" (2.54 mm) pitch, through-hole solder termination, tin-plated contacts, 3 A per contact, UL94 V-0.

$1.2025Ref. price · indicative, final on quote
77311-402-28LF 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.
  • Photo-verified countsEvery line counted and photographed before the box closes.
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Specifications

77311-402-28LF Technical Specifications
ParameterValue
SeriesBERGSTIK®
TypeMale Pin
MountingThrough 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
PackageBag
ShroudingUnshrouded
TerminationSolder
Contact shapeSquare
Rows1
Pitch0.100\" (2.54mm)
Positions28
Contact finish - postTin
Contact length - post0.135\" (3.43mm)
Overall contact length0.465\" (11.81mm)
Contact finish - matingTin
Contact length - mating0.230\" (5.84mm)
Contact finish thickness - post78.7µin (2.00µm)
Contact finish thickness - mating78.7µin (2.00µm)

Product details

28-Position Single-Row Footprint at 0.100" Pitch

The 77311-402-28LF: The tin finish also keeps the per-contact cost lower than gold alternatives.

Mating Dimensions and Stack Height

When mated with a standard 0.230"-deep receptacle, the total stack height above the board is approximately 0.230" plus the receptacle body height — a compact profile for board-to-board or wire-to-board connections. The black thermoplastic body provides visual contrast for alignment during manual assembly.

The base product number is 77311, and the part ships in a bag package. No direct cross-reference or second-source equivalent is listed — the BERGSTIK® series is proprietary to Amphenol ICC.

Frequently asked questions

Is 77311-402-28LF compatible with standard 2.54 mm (0.100") pitch receptacles?

Yes. Confirm the mating receptacle's insulation depth accommodates the 0.230" mating length.