Part Metadata Review and Update
2:40
Reviewing datasheet requirements.
Reviewing the bill of materials.
Analyzing the PCB layout.
Analyzing the schematic.
Looking for "Extract the official part information for Molex 36638-0003: exact manufacturer part number, product family/series, description, circuit count / number of ways, mounting/termination style, mating connector family, packaging/dimensions, current rating, voltage rating, operating temperature range, and complete pin/cavity numbering description." in 366380003_sd.pdf
Looking for "Extract the complete pin or cavity numbering scheme, any cavity/pin identification notes, and all mechanical/package details relevant to verifying a connector symbol and footprint for Molex 36638-0003." in 366380003_sd.pdf
Looking for "Summarize any notes in the datasheet/drawing for Molex 36638-0003 that affect symbol naming, terminal descriptions, footprint geometry, or pin numbering orientation." in 366380003_sd.pdf
Inspecting terminal representation.
Searching the project (3 questions).
Analyzing the PCB layout.
Analyzing the schematic.
Searching for components.
Searching 3 domains.
Searching for components.
Searching 4 domains.
Searching for project details.
Searching 3 domains.
Considering PCB designators.
Searching 2 domains.
Looking for project descriptions.
Searching 3 domains.
Looking for "What is the product description, series, mounting style, and type for Molex 36638-0003?" in 366380003_sd.pdf
Searching components.
Searching 3 domains.
Verifying circuit results.
Searching 3 domains.
Clarifying project details.
Searching 2 domains.
Searching for validation.
Searching 3 domains.
Fetching datasheet information.
Searching fetch_url.
Looking for "For Molex 0366380003 / 36638-0003, how many circuits are there, what are the terminal names or cavity rows, and are there non-electrical mounting, locking, or PCB retention features such as mounting holes, pegs, board locks, or shield tabs that would appear in the footprint but not as electrical contacts?" in 366380003_sd.pdf
Summarizing connector properties.
Reviewing project description and specifications.
Search complete — 872 results across 6 domains.
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:
Key specs from the datasheet
| Field | Datasheet value |
|---|---|
| Manufacturer | Molex |
| MPN | 36638-0003 / drawing form 366380003 |
| Family | CMC Series |
| Description | 48CKT RA S CMC HEADER / GENERAL MARKET ASSY CMC 48W 48CKT BRN WITH PCB LOCK BROWN KEY |
| Circuits | 48 |
| Style | Right-angle PCB header |
| Mounting | Through-hole solder |
| Special features | PCB lock, brown key |
| Contact mix | 40 signal-size pins + 8 larger power pins across 4 rows |
| PCB terminal hole size | Ø1.10 mm +0.10 / -0.05 for the 48 terminals |
| Mechanical lock holes | 2 additional non-signal holes/features shown in recommended PCB layout |
| Temperature range | -40°C to +125°C |
| Family voltage reference | 32 V DC |
| Family current reference | mixed system; values depend on terminal size, with larger power contacts rated much higher than signal contacts |
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.
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.
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.
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
| Area | Status | Issue |
|---|---|---|
| Datasheet URL | OK | Already set to official Molex PDF |
| MPN formatting | Warning | Multiple formatting variants observed; should be normalized |
| Description | Warning | Too generic vs official datasheet description |
| Mount property | Warning | "Solder" is vague; datasheet indicates Through Hole |
| Symbol pin count | Warning | 50 terminals present because mechanical locks are included as terminals |
| Electrical contact count | OK | 48 electrical contacts match datasheet |
| Mechanical features | Warning | MH1 and MH2 appear represented as electrical-style terminals/pads |
| Pin Type metadata | Warning | Terminals are Unspecified |
| Pin descriptions | Warning | Missing / incomplete |
| Footprint contact structure | Mostly OK | 48 contact pads + 2 mechanical features is consistent with datasheet geometry |
- 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
a day
Ready.
Reviews
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36638-0003
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
J
Solder
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