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Amphenol 77311-401-12LF — Pin Headers

77311-401-12LF BERGSTIK® Header, 12 Pos, 2.54 mm Pitch

MPN77311-401-12LF
Active

Amphenol ICC (FCI) BERGSTIK® header, 77311-401-12LF, 12 positions, single row, 0.100" (2.54 mm) pitch, unshrouded, through-hole solder termination, tin-plated contacts, 3 A per contact, UL94 V-0.

$0.7700Ref. price · indicative, final on quote
RoHSRoHS Compliant
SeriesBERGSTIK®
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 China distributor & sourcing agent· Listing updated Aug 2026

Specifications

77311-401-12LF 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

77311-401-12LF additional specifications
ParameterValue
StyleBoard to Board
PackageBag
ShroudingUnshrouded
TerminationSolder
Contact shapeSquare
Rows1
Pitch0.100\" (2.54mm)
Positions12
Contact finish - postTin
Contact length - post0.095\" (2.41mm)
Overall contact length0.425\" (10.80mm)
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

The 77311-401-12LF: Unshrouded means the 0.230" (5.84 mm) mating pins are fully exposed; the mating receptacle needs no keying but relies on the harness builder's alignment during assembly.

Tin-Plated Contacts and UL94 V-0 Housing

For a connector that mates once in production and stays, tin is the cost-effective call.

Frequently asked questions

Is 77311-401-12LF RoHS compliant?

Yes, it is RoHS compliant per the manufacturer listing.

What is the closest alternative to 77311-401-12LF?

The 77311-418-00LF is a functional peer — same BERGSTIK® series, same 0.100" pitch, same tin plating and 3 A rating, but offered in a Tape & Reel package with a different overall length (0.450" vs 0.425"). The 12-position count and single-row layout match.