Skip to main content
Amphenol 77311-401-20LF — Pin Headers, Sockets & Housings

Amphenol BERGSTIK 77311-401-20LF Header, 20-Pos 2.54mm

MPN77311-401-20LF
Active

Amphenol BERGSTIK header, order code 77311-401-20LF, 20 positions, single row, 0.100" (2.54 mm) pitch, 3 A per contact, tin-plated mating contacts, through-hole, solder termination.

$0.8948Ref. price · indicative, final on quote
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

77311-401-20LF 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

77311-401-20LF additional specifications
ParameterValue
StyleBoard to Board
PackageBag
ShroudingUnshrouded
TerminationSolder
Contact shapeSquare
Rows1
Pitch0.100\" (2.54mm)
Positions20
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

20-position unshrouded header

The 77311-401-20LF is the 20-position member of Amphenol ICC's BERGSTIK board-to-board header line, unshrouded with a single row of square male pins.

Single-row selection

The 20-position 77311-401-20LF is a single-row unshrouded header — the pitch, contact finish, and housing material are shared across the BERGSTIK series, so the board footprint and mating receptacle are consistent for any position count in this family.

Frequently asked questions

What is the board-to-board style of this header?

The 77311-401-20LF is listed as a Board to Board style header, unshrouded with push-pull fastening.

What compliance documentation is available for the 77311-401-20LF?

RoHS and REACH compliance documentation is available from Amphenol ICC (FCI) upon request.