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Amphenol 77311-102-04LF — Pin Headers

77311-102-04LF Amphenol ICC BERGSTIK® Header 4 Pos 2.54mm

MPN77311-102-04LF
Active

Amphenol ICC (FCI) BERGSTIK® unshrouded header, 4 positions, single row, 0.100" (2.54 mm) pitch, through-hole solder termination, 3 A per contact, 30 µinch gold mating finish, UL94 V-0 black thermoplastic housing.

$0.3600Ref. price · indicative, final on quote
Amphenol 77311-102-04LF datasheet (PDF)
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

77311-102-04LF 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

77311-102-04LF additional specifications
ParameterValue
StyleBoard to Board
PackageBulk
ShroudingUnshrouded
TerminationSolder
Contact shapeSquare
Rows1
Pitch0.100\" (2.54mm)
Positions4
Contact finish - postTin
Contact length - post0.135\" (3.43mm)
Overall contact length0.465\" (11.81mm)
Contact finish - matingGold or Gold, GXT™
Contact length - mating0.230\" (5.84mm)
Contact finish thickness - post78.7µin (2.00µm)
Contact finish thickness - mating30.0µin (0.76µm)

Product details

Contact Rating and Mating Cycles

The 77311-102-04LF: The square male pin (0.025" square typical for this series) mates with standard 0.025" square receptacles — common in BergStik-compatible crimp housings and IDC sockets.

RoHS compliant.

Peer Comparison: Position Count Options

The same 77311-series single-row unshrouded header is available in 2 positions (77311-101-02LF) and 20 positions (77311-102-20LF) with identical pitch, current rating, and gold plating — the only difference is the number of pins and the overall length of the part.

Frequently asked questions

Is 77311-102-04LF a through hole or SMD part?

Through hole — the solder posts are 0.135" (3.43 mm) long and insert into plated through holes on the PCB.

Is 77311-102-04LF unshrouded?

Yes — unshrouded, push-pull fastening. No plastic shroud around the pins.