FIELD GUIDESource-led reference

P244 / Legacy computer / Connector

50-position Mini Delta Ribbon (MDR) connector

The 50-position Mini Delta Ribbon form is a high-density ribbon-style interface distinct from full-size CHAMP and ordinary 2.54 mm IDC headers.

Also called MDR 50 Mini Delta Ribbon 50 50-position MDR half-pitch ribbon 50

The MDR family name and contact count identify a mechanical form only; cable signaling and equipment role remain implementation-specific.

Look for

Look for the compact MDR shell/latching arrangement and confirm the 50-position variant from the component or equipment documentation.

Claim inspection dates: 2026-10-06, 2026-10-22 · Independent review pending

The useful distinction

Recognize it. Then verify it.

The 50-position Mini Delta Ribbon form is a high-density ribbon-style interface distinct from full-size CHAMP and ordinary 2.54 mm IDC headers. [C244A]

Exact source example 10150-3000PE: contacts: 50. construction: Shielded wiremount solder-cup plug; wiper-on-wiper contacts. wire acceptance awg: 24-30 (acceptance only, not geometry). New connector source corrects scope beyond existing10350-1230-00junction-shell source. No shell dimension adopted as connector dimension. No physical compatibility, pin map or hardware validation is established. [C244B]

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 contacts50S264Source-backed nominal position/contact count: 50.
Contact pitch1.27 mm published connector pitch (10150-3000PE)S902Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 10150-3000PE. Documented role: plug. New connector source corrects scope beyond existing10350-1230-00junction-shell source. No shell dimension adopted as connector dimension.
Connector roleplug (10150-3000PE)S902Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 10150-3000PE. Documented role: plug. New connector source corrects scope beyond existing10350-1230-00junction-shell source. No shell dimension adopted as connector dimension.
Manufacturer3M (10150-3000PE)S902Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 10150-3000PE. Documented role: plug. New connector source corrects scope beyond existing10350-1230-00junction-shell source. No shell dimension adopted as connector dimension.
Series101 (10150-3000PE)S902Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 10150-3000PE. Documented role: plug. New connector source corrects scope beyond existing10350-1230-00junction-shell source. No shell dimension adopted as connector dimension.
Exact part / implementation10150-3000PE (10150-3000PE)S902Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 10150-3000PE. Documented role: plug. New connector source corrects scope beyond existing10350-1230-00junction-shell source. No shell dimension adopted as connector dimension.

Not recorded: Positions / cavity span, Populated contacts, Contact rows, Dimensions / axis, 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.

Report a correction to these facts →

Bounded facts, visible unknowns

Specifications and limits

50-position Mini Delta Ribbon (MDR) connector facts and limitations
Documented identification50-position/contact recognition fact in the cited implementation. [C244A]
Mechanical dimensionsNo independently reviewed mechanical drawing in V43; 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 ↑
C244ASource checked · pending review

3M identifies its 10350-series Mini Delta Ribbon junction shell as a 50-contact MDR form.

3M · 50-position 3M Mini Delta Ribbon junction shell ↗

Locator: Product highlights
Access: public page. Identification/reference scope only. V43 does not convert this source into a universal pinout, fabrication drawing, electrical approval, protocol guarantee or end-to-end compatibility verdict.

S264: full source recordInspect review dependencies → (private workspace)

Claim scope: V43 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction, protocol guarantee or end-to-end compatibility proof.. Next review due 2027-01-04.

Back to first citation ↑
C244BSource checked · pending review

Exact source example 10150-3000PE: contacts: 50. construction: Shielded wiremount solder-cup plug; wiper-on-wiper contacts. wire acceptance awg: 24-30 (acceptance only, not geometry). New connector source corrects scope beyond existing10350-1230-00junction-shell source. No shell dimension adopted as connector dimension. No physical compatibility, pin map or hardware validation is established.

3M · 10150-3000PE MDR solder plug product specification ↗

Locator: Exact product title; specifications; details
Access: public page. No independent technical review, hardware validation, specimen measurement or general interoperability approval. Exact scopes and unresolved fields remain controlling.

S902: full source recordInspect review dependencies → (private workspace)

Claim scope: Exact named component/family technical construction reference from the full current primary document; geometry, ratings and implementation limits do not transfer to other variants.. 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: MDR 36 versus 50 versus 68

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_v43

Assessment 2026-10-22 · earliest scheduled source review 2027-01-04. 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

S264 · 50-position 3M Mini Delta Ribbon junction shell

3M · Manufacturer / product-owner domain · inspected 2026-10-06 · due 2027-01-04

Within inspection window

Scoped support: Identifies a 50-contact Mini Delta Ribbon (MDR) junction shell compatible with the 10150-series plug.

Not established / limitations: Identification/reference scope only. V43 does not convert this source into a universal pinout, fabrication drawing, electrical approval, protocol guarantee or end-to-end compatibility verdict.

Locator: Product highlights

S902 · 10150-3000PE MDR solder plug product specification

3M · Unclassified publisher domain · inspected 2026-10-22 · due 2027-01-20

Within inspection window

Scoped support: Current primary-document research for P244 / 10150-3000PE. Each normalized fact retains its exact part/family, role and document scope.

Not established / limitations: No independent technical review, hardware validation, specimen measurement or general interoperability approval. Exact scopes and unresolved fields remain controlling.

Locator: Exact product title; specifications; details

Trace 2 claims to their source records

C244A · P244

3M identifies its 10350-series Mini Delta Ribbon junction shell as a 50-contact MDR form.

Claim scope: V43 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction, protocol guarantee or end-to-end compatibility proof.

Source links: S264 · Evidence trail → (private workspace)

C244B · P244

Exact source example 10150-3000PE: contacts: 50. construction: Shielded wiremount solder-cup plug; wiper-on-wiper contacts. wire acceptance awg: 24-30 (acceptance only, not geometry). New connector source corrects scope beyond existing10350-1230-00junction-shell source. No shell dimension adopted as connector dimension. No physical compatibility, pin map or hardware validation is established.

Claim scope: Exact named component/family technical construction reference from the full current primary document; geometry, ratings and implementation limits do not transfer to other variants.

Source links: S902 · 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.