E389 · No electrical assignment published

I-PEX MHF 4 low-profile micro-coaxial RF connector engineering reference

I-PEX MHF 4 manufacturer feature-table family: mated height: 1.2 mm maximum, family mated-configuration feature; cable options: Micro-coax AWG 36, outer diameter 0.81 mm; rf range: Up to 9 GHz; plug VSWR limits are separately tabulated by frequency. Only the I-PEX MHF 4 manufacturer feature-table family feature table; no exact individual part properties or mating approval are established.

Open field note Source trail

Source checked · no independent review claimed · Fabrication approved: no

View Top view, contact detail omittedRole Board receptacle20449-001E-03 · not to scale · review pending

Identification schematic only · not to scale · drawing review pending. No engineering drawing is published for this profile.

Contact count

Not asserted

MHF 4 family mated-configuration and micro-coax selection reference

Mating boundary

Shape is not the verdict.

Use the exact manufacturer mating component, terminal/cable and current drawing. Only the I-PEX MHF 4 manufacturer feature-table family feature table; no exact individual part properties or mating approval are established. A source-described lock, key or dimensional resemblance is not an approved equipment connection.

Orientation

How to read this profile

Textual manufacturer construction/configuration facts and explicitly labelled dimensions only. No mating-face, termination-side, contact-number layout or PCB footprint is reconstructed.

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
Connector role	SMT coaxial RF receptacle (20449-001E-03); Coaxial cable plug (20611-001R)S466Source-scoped examples are separate; select the exact variant and measured axis. 20449-001E-03. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. 20611-001R. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use.
Mounting	surface-mount (20449-001E-03)S466Source-scoped examples are separate; select the exact variant and measured axis. 20449-001E-03. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use.
Manufacturer	I-PEX (20449-001E-03)S466Source-scoped examples are separate; select the exact variant and measured axis. 20449-001E-03. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use.
Series	MHF 4 (20449-001E-03)S466Source-scoped examples are separate; select the exact variant and measured axis. 20449-001E-03. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use.
Exact part / implementation	20449-001E-03 (20449-001E-03); 20611-001R (20611-001R)S466Source-scoped examples are separate; select the exact variant and measured axis. 20449-001E-03. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. 20611-001R. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use.

Not recorded: Nominal contacts, Positions / cavity span, Populated contacts, Contact rows, Contact pitch, Dimensions / axis, Contact gender / arrangement, 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

Retained dimensions context (excluded from normalized contact/body field): 2 mm / Manufacturer SMT size / first axis. Source product-specification SMT size, not contact pitch, a mating gauge or the assembled connector height. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. Sources: S466: Product Specifications / SMT Size and Mechanical Lock; Recommended Part Numbers / plug and receptacle; variant-specific mated-height table
Retained dimensions context (excluded from normalized contact/body field): 2 mm / Manufacturer SMT size / second axis. Source product-specification SMT size, not contact pitch, a mating gauge or the assembled connector height. Named primary-source example only. Identification facts do not certify mating, electrical compatibility, fabrication or powered use. Sources: S466: Product Specifications / SMT Size and Mechanical Lock; Recommended Part Numbers / plug and receptacle; variant-specific mated-height table

Report a correction to these facts →

Unknowns stay unknown.

Family feature rows do not establish every property of 20449-001E-03, 20611-001R or a particular finished harness. No individual part drawing is reconstructed.
The 1.2 mm maximum is a mated-configuration feature, not receptacle-alone body height or a clearance guarantee. No source SMT-size tuple is converted into named connector-body axes.
No cross-family U.FL/MHF I/MHF 4 mating, field RF performance or equipment compatibility is established.
No numbered electrical contact assignment, hardware test, specimen measurement, fabrication approval or complete application rating/derating is established.

Your next step

Use the detail without guessing past its limits.

Read the connector field note Recognition clues and practical checks.Work through a connection Keep exact equipment and cable requirements separate.

Source trail

Claims and sources

C355Dsource checked

I-PEX · I-PEX MHF 4 product page and part matrix ↗
Product header and MHF 4 RECOMMENDED PART NUMBERS: plug 20611-001R, receptacle 20449-001E-03; 4L note · Only manufacturer-described MHF 4 / 4L intermateability; exact OD, plug/receptacle, height and harness variants require confirmation.

1 source record support this profile. No independent engineering review or hardware validation is claimed.

Evidence behind this page

Scope first. Source second. Approval separate.

1 linked sources · 1 scoped claims · 0 sources with inspection/access flags.

Page scope: No new drawing. Source-scoped original textual normalization only; source images and geometry were not copied or inferred.

Assessment 2026-10-22 · earliest scheduled source review 2027-01-07. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 1 source scopes, access limits and dates

S466 · I-PEX MHF 4 product page and part matrix

I-PEX · Unclassified publisher domain · inspected 2026-10-09 · due 2027-01-07

Within inspection window

Scoped support: Identifies I-PEX MHF 4 low-profile parts and explicitly supported MHF 4L mating qualification from I-PEX, not MHF I/U.FL.

Not established / limitations: Only manufacturer-described MHF 4 / 4L intermateability; exact OD, plug/receptacle, height and harness variants require confirmation.

Locator: Product header and MHF 4 RECOMMENDED PART NUMBERS: plug 20611-001R, receptacle 20449-001E-03; 4L note

Trace 1 claims to their source records

C355D · P355

Claim scope: Only the I-PEX MHF 4 manufacturer feature-table family feature table; no exact individual part properties or mating approval are established.

Source links: S466 · Evidence trail → (private workspace)

Prepare this page for review →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.