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71991-311

71991-311 Amphenol ICC Dubox 22-Pin Receptacle, 2.54mm Pitch

MPN71991-311
Obsolete

Amphenol ICC (FCI) Dubox™ 71991-311, 22-position dual-row board-to-board receptacle, 0.100" (2.54mm) pitch, through-hole solder termination, gold-plated mating contacts, blue thermoplastic housing UL94 V-0.

$0.6874Ref. price · indicative, final on quote
Amphenol 71991-311 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 Jul 2026

Specifications

71991-311 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

71991-311 additional specifications
ParameterValue
PackageTube
TerminationSolder
ApplicationsAutomotive, General Purpose, Industrial, Telecommunications
Contact shapeSquare
Rows2
Pitch0.100\" (2.54mm)
Positions22
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

Obsolete — Sourcing the 71991-311 Today

The 71991-311 carries an Obsolete lifecycle status. No official successor or pin-compatible replacement is recorded from Amphenol ICC (FCI). Availability is limited to independent surplus and distribution channels. Quantities are lot-specific and confirmed at time of quote. The part is sourced per RFQ — no stock-holding claim is made.

Footprint and Mating Fit

All 22 positions are loaded, accepting a 0.100" pitch square-pin header from the Dubox or compatible series.

Frequently asked questions

Is the 71991-311 obsolete, and what is its replacement?

Yes, the 71991-311 is marked Obsolete. No official pin-compatible replacement is listed by Amphenol ICC (FCI). For a form-fit-function cross, you would need to verify pitch (0.100"), row spacing (0.100"), position count (22), and stack height (11.04mm) against a current Dubox or equivalent series receptacle.