Part Metadata Review and Update
Thought for 2 mins 40 sec
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:
Table
| 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
Table
| 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
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