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71991-321LF

Amphenol ICC (FCI) Dubox 71991-321LF Receptacle, 42 Pos

MPN71991-321LF
Active

Amphenol ICC (FCI) Dubox receptacle, order code 71991-321LF, 42 positions, dual row, 0.100" (2.54 mm) pitch, through-hole solder, gold mating contacts, push-pull fastening, blue insulation.

$4.2339Ref. 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

71991-321LF key specifications
ParameterValue
SeriesDubox™
TypeFemale Socket
MountingThrough Hole
Connector typeReceptacle, Bottom or Top Entry
Fastening typePush-Pull
Contact materialPhosphor Bronze
Insulation colorBlue
Insulation height0.275\" (6.99mm)
Insulation materialThermoplastic, Glass Filled
Mated stacking heights11.04mm
Material flammability ratingUL94 V-0
StyleBoard to Board

All specifications

71991-321LF additional specifications
ParameterValue
PackageTube
TerminationSolder
ApplicationsAutomotive, General Purpose, Industrial, Telecommunications
Contact shapeSquare
Rows2
Pitch0.100\" (2.54mm)
Positions42
Row spacing - mating0.100\" (2.54mm)
Contact finish - postTin
Contact length - post0.118\" (3.00mm)
Contact finish - matingGold
Contact finish thickness - post78.7µin (2.00µm)
Contact finish thickness - mating30.0µin (0.76µm)

Product details

42-position Dubox receptacle

The 71991-321LF is the 42-circuit member of the Amphenol ICC (FCI) Dubox board-to-board receptacle line.

The receptacle supports a mated stacking height of 11.04 mm, which sets the board-to-board spacing when paired with a compatible Dubox header.

Frequently asked questions

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

The 71991-321LF is listed as a Board to Board style receptacle, supporting bottom or top entry mating.