FIELD GUIDESource-led reference

P221 / Pluggable I/O / Connector

OSFP host connector form

OSFP uses a 60-position host interconnect form in the documented Amphenol family.

Also called OSFP Octal Small Form Factor Pluggable OSFP host connector

OSFP is a host/module form factor; the installed module and system documentation determine the actual network technology and rate.

Look for

Use cage width, module labeling and host documentation to distinguish OSFP from QSFP-family cages.

Claim inspection dates: 2026-10-05, 2026-10-22 · Independent review pending

The useful distinction

Recognize it. Then verify it.

OSFP uses a 60-position host interconnect form in the documented Amphenol family. [C221A]

Molex2139120022 is an OSFP female right-angle surface-mount connector with60loadedcircuits, manufacturer NumberOfRows1,0.60mm mating pitch, copper-alloy contacts with gold mating plating and a high-temperature thermoplastic housing. [C221W]

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 contacts60S226Source-backed nominal position count: 60.
Positions / cavity span60 (Claim C221A); 60 (Claim C221B)S226 · S246Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V39 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction, protocol guarantee or end-to-end compatibility proof. V40 engineering-reference fact only; independent human review remains pending. This claim does not approve fabrication, rewiring, substitution, electrical safety, protocol support or end-to-end compatibility.
Contact rows1 (Molex2139120022)S992Qualified exact source facts only; counterpart, mounting-acceptance, cable, port, termination and assembly context remains separately labelled in variant_notes. Exact Molex2139120022 OSFP female right-angle SMT connector; not a cage port matrix, genericOSFP assignment or reconstructed face. Quantity context: Manufacturer Number Of Rows property.
Contact pitch0.6 mm Example connector centerline / pitch (Recorded example component); 0.6 mm Source-described pitch / centerline (Claim C221B); 0.6 mm centerline (2324869-1)S246 · S246Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. example_component; OSFP host connector example V40 engineering-reference fact only; independent human review remains pending. This claim does not approve fabrication, rewiring, substitution, electrical safety, protocol support or end-to-end compatibility. 2324869-1. Documented role: socket. Page establishes SMT host connector and60positions; no new row count, face dimension or keying shape inferred. Existing profile is retained.
ManufacturerTE Connectivity (2324869-1)S246Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 2324869-1. Documented role: socket. Page establishes SMT host connector and60positions; no new row count, face dimension or keying shape inferred. Existing profile is retained.
SeriesOSFP (2324869-1)S246Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 2324869-1. Documented role: socket. Page establishes SMT host connector and60positions; no new row count, face dimension or keying shape inferred. Existing profile is retained.
Exact part / implementation2324869-1 (2324869-1)S246Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 2324869-1. Documented role: socket. Page establishes SMT host connector and60positions; no new row count, face dimension or keying shape inferred. Existing profile is retained.

Not recorded: Populated contacts, Dimensions / axis, Connector role, Contact gender / arrangement, Mounting, Coupling / latch, Keying / polarization, Shell / form, Recorded markings, View convention. Unknown fields stay unknown; illustrations supply no measurements or pin assignments.

Recorded variant and source limits
  • Position/contact count and any example-component pitch do not establish a universal pinout, cable construction or protocol capability.
  • No fabrication dimensions or face-view pin locator is published unless explicitly stated.
  • Prior view context (not a source-view value): Position count is published without a V40 mating-face numbering locator.
Report a correction to these facts →

Bounded facts, visible unknowns

Specifications and limits

OSFP host connector form facts and limitations
Documented identificationOSFP 60-position host interconnect form. [C221A]
Mechanical dimensionsNo independently reviewed mechanical drawing in V39; do not use this page for fabrication, fit testing or tolerance work.
Engineering pinoutSource-checked engineering profile available; independent review pending. Open engineering profile →
Verified device listNot included. Check exact device and accessory documentation.
A boundary, not an omission to guess around.

Use the source-backed form or position count only for identification. Resolve ratings, protocol, direction, wiring, cable construction and exact device support from the relevant equipment and component documentation.

Before you connect

What to check

  1. Identify the exact connector family and variant from the equipment or cable documentation.
  2. Keep shape, contact count, protocol, electrical rating and device support as separate facts.
  3. Do not force, rewire or adapt a connector from this recognition record; resolve the remaining requirements first.
Trace a supported connection class →

What is not established

This field note does not approve a connection, adapter, cable assembly, rewiring scheme or fabricated part. It intentionally omits unsupported pin assignments and mechanical tolerances.

Your next step

Move from the form to the requirement.

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 ↑
C221ASource checked · pending review

Amphenol identifies OSFP as a 60-position host interconnect form in its high-speed I/O portfolio.

Amphenol Communications Solutions · High Speed I/O connector selector — OSFP ↗

Locator: OSFP sections
Access: public page. Identification/reference scope only. V39 does not convert this source into a universal pinout, fabrication drawing, electrical approval, protocol guarantee or end-to-end compatibility verdict.

S226: full source recordInspect review dependencies → (private workspace)

Claim scope: V39 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction, protocol guarantee or end-to-end compatibility proof.. Next review due 2027-01-03.

Back to first citation ↑
C221WSource checked · pending review

Molex2139120022 is an OSFP female right-angle surface-mount connector with60loadedcircuits, manufacturer NumberOfRows1,0.60mm mating pitch, copper-alloy contacts with gold mating plating and a high-temperature thermoplastic housing.

Molex · 2139120022 OSFP connector full physical specifications and213912 series chart ↗

Locator: Full ExportSpreadsheet, exact2139120022 row; official exactpart page https://www.molex.com/en-us/products/part-detail/2139120022 PhysicalSpecifications.
Access: public page. Exact-part page warns limited information/not formally published to online part catalog. No exact drawing pixels, dimensions, pin assignments or universal OSFP performance established.

S992: full source recordInspect review dependencies → (private workspace)

Claim scope: Exact named manufacturer component; property metadata does not establish numbered face layout, device support or a universal OSFP specification.. Next review due 2027-01-20.

Suggest a correction to this field note →

Put this field note to work.

Add to discovery trayRecord an unsaved candidate (private workspace)

Compare look-alikes: OSFP versus QSFP-DD host forms

Candidate selection does not confirm the identity or capabilities of your physical item.

Evidence behind this page

Scope first. Source second. Approval separate.

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

Page scope: catalogue_expansion_v39

Assessment 2026-10-22 · earliest scheduled source review 2027-01-03. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 2 source scopes, access limits and dates

S226 · High Speed I/O connector selector — OSFP

Amphenol Communications Solutions · Manufacturer / product-owner domain · inspected 2026-10-05 · due 2027-01-03

Within inspection window

Scoped support: Identifies the OSFP host interconnect as a 60-position, 0.6 mm-pitch form with eight high-speed channels; V39 uses only form-factor identity and position count.

Not established / limitations: Identification/reference scope only. V39 does not convert this source into a universal pinout, fabrication drawing, electrical approval, protocol guarantee or end-to-end compatibility verdict.

Locator: OSFP sections

S992 · 2139120022 OSFP connector full physical specifications and213912 series chart

Molex · Manufacturer / product-owner domain · inspected 2026-10-22 · due 2027-01-20

Within inspection window

Scoped support: Exact2139120022 female right-angle SMT OSFP host connector only. NumberOfRows is manufacturer metadata, not a reconstructed numbered mating-face map.

Not established / limitations: Exact-part page warns limited information/not formally published to online part catalog. No exact drawing pixels, dimensions, pin assignments or universal OSFP performance established.

Locator: Full ExportSpreadsheet, exact2139120022 row; official exactpart page https://www.molex.com/en-us/products/part-detail/2139120022 PhysicalSpecifications.

Trace 2 claims to their source records

C221A · P221

Amphenol identifies OSFP as a 60-position host interconnect form in its high-speed I/O portfolio.

Claim scope: V39 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction, protocol guarantee or end-to-end compatibility proof.

Source links: S226 · Evidence trail → (private workspace)

C221W · P221

Molex2139120022 is an OSFP female right-angle surface-mount connector with60loadedcircuits, manufacturer NumberOfRows1,0.60mm mating pitch, copper-alloy contacts with gold mating plating and a high-temperature thermoplastic housing.

Claim scope: Exact named manufacturer component; property metadata does not establish numbered face layout, device support or a universal OSFP specification.

Source links: S992 · 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.