Part Datasheet Review and Verification

flux

4:45

Considering.

Determ.

Implement.

Analyzing the schematic.

Looking for "Features" in 5050661422_sd.pdf

Looking for "Electrical performance current rating voltage rating contact resistance insulation resistance dielectric withstanding voltage" in 5050661422_sd.pdf

Looking for "Mechanical performance durability cycles shock vibration retention force" in 5050661422_sd.pdf

Looking for "Operating temperature storage temperature" in 5050661422_sd.pdf

Looking for "Recommended PCB layout land pattern dimensions" in 5050661422_sd.pdf

Looking for "Package dimensions connector dimensions mated height width length" in 5050661422_sd.pdf

Looking for "Pitch number of circuits row count" in 5050661422_sd.pdf

Looking for "Armor nail metal hold-down dimensions and locations" in 5050661422_sd.pdf

Looking for "Soldering reflow profile recommendations" in 5050661422_sd.pdf

Looking for "Materials and plating contact material housing material plating thickness" in 5050661422_sd.pdf

Looking for "Part numbering system ordering information 505066-xxxx code meaning" in 5050661422_sd.pdf

Looking for "Cavity tape and reel packaging quantities" in 5050661422_sd.pdf

Looking for "Circuit numbering pin 1 location orientation" in 5050661422_sd.pdf

Looking for "Recommended stencil thickness and aperture" in 5050661422_sd.pdf

Looking for "Safety approvals or compliance RoHS halogen-free UL" in 5050661422_sd.pdf

Analyzing the PCB layout.

Here’s a step-by-step execution for the Molex SlimStack receptacle part 505066-1422.

Review of currently available part information (from the part project)

MPN: 505066-1422
Manufacturer: Molex
Part type: Connectors
Designator prefix: J
Package/case code (project property): TO (note: this appears inconsistent for a board-to-board connector; see cross-check)
Description (project): SlimStack Board-to-Board Connector, 0.35mm Pitch, SSB RP Series, Receptacle, 0.60mm Mated Height, 2.00mm Mated Width, Circuits, Armor Nail
Schematic symbol content: 14 signal terminals present plus 4 mechanical “MP” terminals (18 total schematic terminals)
Footprint content: 14 signal pads plus 4 mechanical pads (MP1–MP4), as a single “Footprint” node; no PCB rules defined

Datasheet URL presence check and update

A datasheet URL is already set on this part: https://www.molex.com/pdm_docs/sd/5050661422_sd.pdf
Action not required (no change made).

Datasheet scan and metadata extraction (from the linked PDF) Note: This PDF is a Molex customer/product drawing and packaging drawing for the 505066 series, not a full electrical-spec datasheet. It provides mechanicals, recommended land pattern, stencil, and ordering/circuits info. Electrical ratings and materials are not in this document.

Basic part series information

Series: 505066 (SlimStack B2B receptacle)
Pitch: 0.35 mm (2-row)
Circuits supported (examples shown): 6, 8, 10, 12, 14, 18, 20, 22, 30, 32, 34, 40, 42, 46, 48, 50, 54, 60, 64
Specific part: 505066-1422 → 14 circuits
Mated condition (height): 0.6 ± 0.1 mm
Mate with: 505070-**22 / 505070-**42 (plug/headers indicated on drawing)
Packaging: Embossed tape; quantity 8000 pcs/reel (noted in the drawing)
Dimensions table excerpt (for 505066-1422): A = 2.10 mm, B = 4.90 mm (context labels “A” and “B” shown in the drawing alongside order number and circuits)

Recommended PCB land pattern (reference)

Contact pad pitch: 0.35 ± 0.03 mm
Contact pad width: 0.18 ± 0.03 mm
Inner pad gap (between pad rows): 0.62 ± 0.03 mm
Overall contact row height (row-to-row span): 1.54 ± 0.03 mm
Outer clearances: 0.36 mm (noted)
Fitting nail pad size: 0.40 ± 0.03 mm by 0.58 ± 0.03 mm
Fitting nail horizontal offset (datum to nail centerline): 1.28 ± 0.03 mm
Pattern length: B ± 0.03 (with note “(B + 0.53) MIN.” also shown)

Recommended stencil information

Recommended metal mask (stencil) thickness: t = 0.08 mm
Recommended open aperture ratio: 80%
Recommended metal mask layout: Dimensions repeated in the figure; includes values consistent with land pattern geometry listed above

Other notes visible on the drawing

“PROHIBITED AREA OF PATTERN WIRING AND SOLDER” zones are indicated (keep-out around the connector)
Tails and fitting nail coplanarity: 0.08 mm maximum
Compliance, materials/plating, and electrical ratings: Not found in this document

Unavailable in the provided PDF (not found)

Electrical characteristics (current rating, voltage rating, contact resistance, insulation resistance, dielectric withstanding voltage)
Materials and plating details
Environmental/temperature limits (operating/storage)
Formal “pin description” text; the drawing focuses on circuits/pad numbering and land pattern
Safety/compliance (RoHS/halogen-free/UL)

Cross-check: schematic symbol and footprint vs. datasheet/drawing Symbol-level checks

Circuit count: The project symbol exposes 14 signal terminals, which matches the 14-circuit 505066-1422 variant. Good.
Mechanical terminals: The symbol includes 4 mechanical “MP” terminals. The drawing shows “fitting nail” pads and provides dimensions; while the count is not explicitly listed in text, the recommended pattern depicts fitting nail pads consistent with multiple anchors. The presence of 4 mechanical anchors/pads in this project is plausible. No hard mismatch detected.
Numbering/orientation: The drawing does not provide a text callout for “Pin 1” orientation in the search results, but it shows circuit/order tables and dimensional references. Ensure your symbol’s circuit numbering matches Molex’s numbering scheme in the figure. If the intended board system depends on a defined pin-1 convention, verify that the symbol’s numeric order and left/right/top/bottom arrangement match the Molex drawing orientation.

Footprint-level checks

Pad count: 14 signal pads + fitting nail pads are present in the footprint; matches the 14-circuit configuration. Good.
Pad pitch and size: The drawing specifies 0.35 mm pitch and 0.18 mm pad width. Pad geometry values were not returned by the layout query, so I cannot confirm the exact pad sizes/spacing in the footprint data here. Action suggested: verify your footprint’s signal pad pitch is 0.35 mm and pad width is 0.18 mm, with 1.54 mm row-to-row span and 0.62 mm inner gap to match the drawing.
Fitting nail pads: Drawing lists 0.40 × 0.58 mm with 1.28 mm horizontal offset. The layout tool did not expose pad dimensions, so I cannot confirm sizing/position from the project data. Action suggested: confirm your fitting nail pad size and position against these values.
Keep-out: The drawing shows “prohibited area of pattern wiring and solder” around the connector. Ensure the footprint includes/communicates this keep-out in courtyard/assembly layers or documentation for PCB layout.
Pin-1 indicator: Not visible from the layout query results. Action suggested: ensure a clear Pin-1 indicator (assembly/silkscreen/Doc layer) consistent with the drawing orientation.
Stencil: The drawing recommends 0.08 mm stencil thickness and 80% aperture ratio. Ensure your paste apertures reflect this recommendation or your process capability.

Project property consistency checks (could cause ordering/manufacturing confusion)

Package/Case Code: The project property lists “TO”. “TO” is a transistor outline code and does not apply to this low-profile board-to-board connector. Action suggested: update package/case metadata to a connector-appropriate description (e.g., “SlimStack 0.35 mm receptacle, 2-row, 14-circuit, 0.60 mm mated height”) or leave blank if your workflow does not require a standardized case code.
Description: The current description string includes “Circuits” but does not specify the number. Action suggested: include the explicit circuit count, e.g., “14 Circuits”.
Datasheet completeness: This drawing is excellent for land pattern and packaging, but it lacks electrical/materials/environmental specs. If you need those, consult Molex’s product specification for the 505066 series (often a PS- document) or the online product page.

If you want, I can:

Verify pad geometries by extracting exact pad sizes/positions from the footprint,
Normalize the metadata (package/case string, description with explicit circuit count),
Add a pin-1 indicator note on the footprint documentation layer,
Locate and summarize the full product specification with electrical and material ratings.

Find full Molex spec

Check exact pad geometry

Fix package metadata

62 days

MP2

MP3

MP4

MP1

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