FIELD GUIDESource-led reference
Port & Cable

P371 / USB / Connector

USB Mini-AB receptacle

A historical USB Mini-AB receptacle form, anchored to the exact Würth651305142821 five-contact horizontalSMT part.

Also called Mini-AB USB Mini AB

Receptacle identity, exact part construction and device behavior require separate evidence.

Look for

Würth names TypeABwithPads and explicitly identifies a receptacle; TI page10 separately labels the Mini-AB receptacle view. Compare the role and label before treating a small USB socket as Mini-B.

Claim inspection dates: 2026-10-22 · Independent review pending

View Not declared in this illustrationDepiction Plug/receptacle role not specifiedNot to scale · independent drawing review pending
Original recognition schematic · not to scale · drawing review pending

The useful distinction

Recognize it. Then verify it.

A historical USB Mini-AB receptacle form, anchored to the exact Würth651305142821 five-contact horizontalSMT part. [C371A]

Texas Instruments labels a Mini-AB receptacle separately from Mini-A and Mini-B receptacles; USB-IF later deprecated Mini-AB for new OTG products. [C371B]

Source-scoped identification facts

Each value retains its exact example, role and measurement axis. Facts from different parts must not be combined into an invented component.

Documented examples; not a mating drawing or compatibility approval
Nominal contacts5 (Würth651305142821)S877Manufacturer lists five contacts for this exact Mini-AB receptacle; no numbered assignment or contact-position map imported.
Connector rolesocket (Würth651305142821)S877Exact Würth Mini-AB receptacle example only; not a geometry or wiring guarantee for every family variant.
Mountinghorizontal SMT (Würth651305142821)S877Exact product mounting statement; no PCB footprint/dimensions inferred.
ManufacturerWürth Elektronik (Würth651305142821)S877Named connector manufacturer for this exact product.
Exact part / implementation651305142821 (Würth651305142821)S877Exact TypeABwithPads horizontalSMT receptacle product row.

Not recorded: Positions / cavity span, Populated contacts, Contact rows, Contact pitch, Dimensions / axis, Contact gender / arrangement, Coupling / latch, Keying / polarization, Shell / form, Series, Recorded markings, View convention. Unknown fields stay unknown; illustrations supply no measurements or pin assignments.

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Bounded facts, visible unknowns

Specifications and limits

USB Mini-AB receptacle facts and limitations
Qualified exact partWürth651305142821: Mini USB2.0 TypeABwithPads,5contacts,horizontalSMT,receptacle [C371A]
StatusHistorical Mini-AB identity; deprecated for new OTG products [C371B]
Mechanical dimensionsNo qualified universal dimensions or pitch imported.
Engineering pinoutNo connection or wiring pinout supplied.
Verified device listNot included. Check exact device and accessory documentation.
A boundary, not an omission to guess around.

Five contacts is an exact Würth part property, not a universal visual count or pinout. The primary Würth drawing was not visually inspected; no0.8mm pitch, dimension axis or outline imported. No arbitrary-device dual-role capability, current certification, electrical rating or safe mating approval is established.

Before you connect

What to check

  1. Check that the observed object is a receptacle, not a loose Mini-A/Mini-B plug.
  2. Use exact part651305142821 only for the five-contact horizontalSMT construction claim.
  3. Read the actual device manual before assigning host/peripheral behavior or inserting an uncertain plug.
Trace a supported connection class →

Your next step

Move from the form to the requirement.

Compare this field note See the differences without assuming interchangeability.Work through a connection Choose your task before deciding on a cable.Explore this evidence trail Inspect the claims and their dependencies. (private workspace)

The source trail

Evidence for this page

AI-assisted inspection is not independent engineering review. Source scope and access limitations are disclosed below. Procedural checklists are editorial requirements, not hardware measurements.

Back to first citation ↑
C371ASource checked · pending review

Würth651305142821 is identified as a Mini USB2.0 TypeABwithPads horizontalSMT receptacle with five contacts.

Würth Elektronik · WR-COM Mini USB2.0 TypeAB with Pads651305142821 ↗

Locator: pp.1-2 Article Properties/Kind Properties; p.1 title identifies TypeABwithPads and5contacts; p.2 genderReceptacle/typeHorizontal. Seven-page primary PDF text read; pixels not acquired.
Access: public pdf text. Direct download403; complete public PDF text read through official web retrieval and independently reported by search_lifecycle agent. Drawing pixels not inspected; no0.8mm pitch/axis value imported.

S877: full source recordInspect review dependencies → (private workspace)

Claim scope: Exact named receptacle properties; not a universal Mini-AB dimensional or rating claim.. Next review due 2027-01-20.

Back to first citation ↑
C371BSource checked · pending review

Texas Instruments labels a Mini-AB receptacle separately from Mini-A and Mini-B receptacles; USB-IF later deprecated Mini-AB for new OTG products.

Texas Instruments · USB OTG seminar: Mini Connectors ↗

Locator: p.10 Mini Connectors: lower-left labelled Mini-B and Mini-A plug photographs; upper-row labelled Mini-AB/Mini-A/Mini-B receptacle drawings. SavedPDF p.10 pixels inspected2026-10-22.
Access: public pdf text. Historical illustration; not a current normative mechanical drawing. Exact plug manufacturer/model, dimensions, pitch and contact population unqualified. No modern host/OTG capability inferred.

S876: full source recordUSB Implementers Forum · USB OTG compliance updates ↗

Locator: OTG update35(April2012), Mini-A/Mini-AB deprecation paragraph; OTG update131(March2021), effectiveSeptember2019 product-certification change.
Access: public page. Not a connector mechanical specification, device certification or present-day host-role approval. Later updates control over older landing-page certification prose.

S878: full source recordInspect review dependencies → (private workspace)

Claim scope: Historical named receptacle distinction and deprecation only; mating/OTG behavior of an arbitrary device is not established.. Next review due 2027-01-20.

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Evidence behind this page

Scope first. Source second. Approval separate.

3 linked sources · 2 scoped claims · 0 sources with inspection/access flags.

Page scope: consumer_pilot

Assessment 2026-10-22 · earliest scheduled source review 2027-01-20. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 3 source scopes, access limits and dates

S876 · USB OTG seminar: Mini Connectors

Texas Instruments · Unclassified publisher domain · inspected 2026-10-22 · due 2027-01-20

Within inspection window

Scoped support: Historical labelled Mini-A plug and Mini-AB receptacle identity; historical role discussion only.

Not established / limitations: Historical illustration; not a current normative mechanical drawing. Exact plug manufacturer/model, dimensions, pitch and contact population unqualified. No modern host/OTG capability inferred.

Locator: p.10 Mini Connectors: lower-left labelled Mini-B and Mini-A plug photographs; upper-row labelled Mini-AB/Mini-A/Mini-B receptacle drawings. SavedPDF p.10 pixels inspected2026-10-22.

S877 · WR-COM Mini USB2.0 TypeAB with Pads651305142821

Würth Elektronik · Unclassified publisher domain · inspected 2026-10-22 · due 2027-01-20

Within inspection window

Scoped support: Exact651305142821 Mini-AB horizontal5-contact SMT receptacle identity; no family-wide mechanical or electrical values.

Not established / limitations: Direct download403; complete public PDF text read through official web retrieval and independently reported by search_lifecycle agent. Drawing pixels not inspected; no0.8mm pitch/axis value imported.

Locator: pp.1-2 Article Properties/Kind Properties; p.1 title identifies TypeABwithPads and5contacts; p.2 genderReceptacle/typeHorizontal. Seven-page primary PDF text read; pixels not acquired.

S878 · USB OTG compliance updates

USB Implementers Forum · Standards-organization domain · inspected 2026-10-22 · due 2027-01-20

Within inspection window

Scoped support: Historical Mini-A/Mini-AB deprecation and current OTG-certification-program boundary only.

Not established / limitations: Not a connector mechanical specification, device certification or present-day host-role approval. Later updates control over older landing-page certification prose.

Locator: OTG update35(April2012), Mini-A/Mini-AB deprecation paragraph; OTG update131(March2021), effectiveSeptember2019 product-certification change.

Trace 2 claims to their source records

C371A · P371

Würth651305142821 is identified as a Mini USB2.0 TypeABwithPads horizontalSMT receptacle with five contacts.

Claim scope: Exact named receptacle properties; not a universal Mini-AB dimensional or rating claim.

Source links: S877 · Evidence trail → (private workspace)

C371B · P371

Texas Instruments labels a Mini-AB receptacle separately from Mini-A and Mini-B receptacles; USB-IF later deprecated Mini-AB for new OTG products.

Claim scope: Historical named receptacle distinction and deprecation only; mating/OTG behavior of an arbitrary device is not established.

Source links: S876 · S878 · Evidence trail → (private workspace)

Prepare this page for review → (private workspace)Read the evidence method →

Recorded evidence only. An inspection date, publisher label, source link or generated packet is not independent technical review, hardware testing, fabrication approval or a compatibility verdict.