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Amphenol 77311-801-31LF — Pin Headers, Sockets & Housings

77311-801-31LF Amphenol BERGSTIK Header, 31 Pos 2.54mm

MPN77311-801-31LF
Active

Amphenol ICC (FCI) BERGSTIK® header, order code 77311-801-31LF, 31 positions, single row, 0.100" (2.54mm) pitch, 3A per contact, gold or GXT™ mating finish, through-hole, solder termination.

$1.3999Ref. price · indicative, final on quote
Amphenol 77311-801-31LF datasheet (PDF)
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for stock & sourcing questions
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent supplier — new & surplus connector stock· Listing updated Aug 2026

Specifications

77311-801-31LF key 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

All specifications

77311-801-31LF additional specifications
ParameterValue
StyleBoard to Board
PackageBag
ShroudingUnshrouded
TerminationSolder
Contact shapeSquare
Rows1
Pitch0.100\" (2.54mm)
Positions31
Contact finish - postTin
Contact length - post0.095\" (2.41mm)
Overall contact length0.425\" (10.80mm)
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

31-circuit unshrouded header

The 77311-801-31LF is the 31-circuit member of the Amphenol ICC (FCI) BERGSTIK® unshrouded header line, a board-to-board male pin header on 0.100" (2.54mm) pitch. Rated 3A per contact, it carries a gold or GXT™ mating finish with 15.0µin (0.38µm) thickness and operates from -65°C to 125°C.

Through-hole footprint and material

The through-hole termination with a 0.095" (2.41mm) post length suits standard PCB thicknesses. The phosphor bronze contact material and UL94 V-0 thermoplastic insulation support the 3A per contact rating across the full temperature range.

Frequently asked questions

What compliance documentation does Amphenol ICC (FCI) provide for 77311-801-31LF?

The header carries a UL94 V-0 flammability rating. RoHS and REACH compliance documentation is available from the manufacturer upon request.