Part Metadata Review and Update

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I reviewed the part against the official Molex drawing and the current part project, using the datasheet as the source of truth for pin/count verification as recommended in the part-project sync workflow
Result
  • Datasheet URL already exists, so I did not change it.
  • The project is mostly structurally correct for a 48-circuit connector.
  • The main issues are:
    • metadata is incomplete / too generic
    • all schematic terminals currently have Pin Type = Unspecified
    • the two mechanical PCB-lock features are modeled as electrical-style terminals/pads: MH1 and MH2
Key specs from the datasheet

Table

FieldDatasheet value
ManufacturerMolex
MPN36638-0003 / drawing form 366380003
FamilyCMC Series
Description48CKT RA S CMC HEADER / GENERAL MARKET ASSY CMC 48W 48CKT BRN WITH PCB LOCK BROWN KEY
Circuits48
StyleRight-angle PCB header
MountingThrough-hole solder
Special featuresPCB lock, brown key
Contact mix40 signal-size pins + 8 larger power pins across 4 rows
PCB terminal hole sizeØ1.10 mm +0.10 / -0.05 for the 48 terminals
Mechanical lock holes2 additional non-signal holes/features shown in recommended PCB layout
Temperature range-40°C to +125°C
Family voltage reference32 V DC
Family current referencemixed system; values depend on terminal size, with larger power contacts rated much higher than signal contacts
Cross-check summary Part metadata
Looks present
  • Manufacturer Name
  • Manufacturer Part Number
  • Part Type
  • Designator Prefix
  • Mount
  • Datasheet URL
Issues
  • Mount = "Solder" is too vague; datasheet indicates Through Hole.
  • Part Type = "Connectors" is valid but generic; datasheet is more specific: right-angle sealed CMC header.
  • Description is not very specific relative to the datasheet wording.
  • I saw an MPN formatting inconsistency across project/indexed metadata vs datasheet notation:
    • common marketing format: 36638-0003
    • drawing/PDF filename format: 366380003
    • one indexed result also showed a leading-zero variant
      This is worth normalizing.
Schematic symbol
What matches
  • The project contains 48 contact terminals, which matches the datasheet circuit count.
  • The naming pattern appears consistent with a 4-row connector matrix.
Mismatch / concern
  • There are 50 total terminals in the symbol, not 48, because MH1 and MH2 are included as terminal components.
  • Those two appear to represent the mechanical PCB-lock / mounting features, not electrical contacts.
  • All terminals I checked currently have Pin Type = Unspecified, which is incomplete metadata.
Footprint
What matches
  • The footprint contains 48 signal pads, which aligns with the connector contacts.
  • It also contains 2 extra mechanical features, matching the datasheet’s PCB-lock holes/features.
Mismatch / concern
  • The two mechanical features appear to be modeled as Pads, not clearly as non-electrical mechanical holes.
  • If those are meant to be pure PCB locks, they should be treated as mechanical/non-signal features, not normal electrical pins.
Pin descriptions
Mismatch
  • I did not find meaningful pin descriptions populated on the terminals.
  • For a connector like this, the current terminal metadata is minimal:
    • Pin Number set
    • Pin Type mostly unspecified
    • no useful per-pin functional description beyond the cavity name
Flagged mismatches

Table

AreaStatusIssue
Datasheet URLOKAlready set to official Molex PDF
MPN formattingWarningMultiple formatting variants observed; should be normalized
DescriptionWarningToo generic vs official datasheet description
Mount propertyWarning"Solder" is vague; datasheet indicates Through Hole
Symbol pin countWarning50 terminals present because mechanical locks are included as terminals
Electrical contact countOK48 electrical contacts match datasheet
Mechanical featuresWarningMH1 and MH2 appear represented as electrical-style terminals/pads
Pin Type metadataWarningTerminals are Unspecified
Pin descriptionsWarningMissing / incomplete
Footprint contact structureMostly OK48 contact pads + 2 mechanical features is consistent with datasheet geometry
Recommended cleanup
  • Normalize metadata:
    • MPN formatting
    • more specific description
    • Mount = Through Hole
  • Mark the 48 real contacts with appropriate connector pin metadata.
  • Reclassify MH1 and MH2 as mechanical/non-electrical features if that matches your intended part behavior.
  • Add better pin descriptions if you want this part to be easier to use downstream.
If you want, I can do the next pass and clean up the part metadata and terminal properties for you.
Clean up metadata
Normalize part fields
Fix pin metadata
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36638-0003

36638-0003 thumbnail
Connector Header Board Edge, Through Hole, Right Angle 48 position The 0366380003 is a wire-to-board connector component from Molex, typically used in power and signal connections between wires and a printed circuit board (PCB). Type: Wire-to-board connector housing (crimp style) Positions: 3 circuits (3-pin connector) Pitch: Typically ~3.68 mm (series dependent) Mounting: Cable-side housing (mates with PCB header) Locking mechanism for secure connection #CommonPartsLibrary #Connector #Header #CMC 36638

Properties

0366380003

Molex

Connectors

molex.com/en-us/products/part-detail/366380003?display=pdf

J

Solder

creativecommons.org/licenses/by/4.0/

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