Part Information Review and Updates
Thought for 5 mins 25 sec
Done.
I reviewed the part project against the datasheet-driven sync workflow: verify/correct the Datasheet URL first, then compare the project’s terminal count and properties against the datasheet as the source of truth
What I updated
- Corrected Datasheet URL to the exact official Würth PDF for 74438336100:
https://www.we-online.com/components/products/datasheet/74438336100.pdf
Table
| Field | Current / observed value | Status |
|---|---|---|
| Manufacturer Part Number | 74438336100 | Matches datasheet |
| Manufacturer Name | Würth / Würth Elektronik eiSos GmbH & Co. KG | Acceptable, but project value is shortened |
| Part Type | Inductor | Correct |
| Designator Prefix | L | Correct |
| Description | 10 µH Shielded Molded Inductor 1.2 A 322mOhm Max 1212 (3030 Metric) | Mostly correct, but rated current is understated vs datasheet |
| Datasheet URL | now set to exact official PDF for 74438336100 | Fixed |
Table
| Spec | Value |
|---|---|
| Family | WE-MAPI SMT Power Inductor |
| Size / type | 3020 |
| Body dimensions | 3.0 ±0.2 mm × 3.0 ±0.2 mm × 2.0 mm max |
| Inductance | 10 µH ±20% |
| Rated current | 1.65 A max |
| Saturation current @10% | 1.55 A typ |
| Saturation current @30% | 3.0 A typ |
| DCR | 280 mΩ typ, 322 mΩ max |
| Self resonant frequency | 18 MHz typ |
| Operating voltage | 80 V max |
| Operating temperature | -40 °C to +125 °C |
- The project currently has 2 schematic terminals.
- The datasheet indicates a 2-terminal bottom-termination inductor with no polarity called out in the retrieved content.
- Existing terminal properties:
- pin numbers: 1 and 2
- pin type: Passive on both
- Result: pin count and passive pin typing look correct for this part, which is exactly the kind of datasheet-to-project verification the sync workflow calls for
- I did not find existing pin descriptions in the project.
- For a simple 2-terminal inductor, that is not electrically wrong, but it is incomplete metadata.
- Suggested descriptions would be:
- pin 1: Inductor terminal
- pin 2: Inductor terminal
- Layout inspection shows a footprint with 2 pads, which matches the datasheet’s 2-terminal package.
- The datasheet’s recommended land pattern for this exact part is:
- 3.4 mm
- 0.8 mm
- 3.4 mm
- plus a restricted area note: no vias/traces in restricted area
- Result: pad count matches.
- Limitation: the layout tool output did not expose enough geometric detail for me to numerically verify pad sizes/spacings against those 3.4 / 0.8 / 3.4 mm values, so I can only confirm topology match, not exact dimensional match.
Table
| Item | Finding | Severity |
|---|---|---|
| Datasheet URL | Previously pointed to a different order code, not 74438336100 | High |
| Description current rating | Project description says 1.2 A, datasheet says 1.65 A max rated current | Medium |
| Pin descriptions | Missing | Low |
| Footprint dimensions | Exact pad geometry could not be fully verified from available layout data | Medium |
- Keep the corrected Datasheet URL.
- Update the project description to reflect the exact datasheet values:
- 10 µH shielded SMT power inductor, 1.65 A rated current, 322 mΩ max DCR, 3020 package
- Optionally add pin descriptions to both terminals for completeness, which aligns with the part-project sync guidance to keep terminal metadata complete and datasheet-accurate
If you want, I can make those remaining metadata fixes next.
Fix remaining metadata
Verify footprint dimensions
Review all similar inductors
Thought
- Set Datasheet URL to "https://www.we-online.com/components/products/datasheet/74438336047.pdf"
Thought
- Set Datasheet URL to "https://www.we-online.com/components/products/datasheet/74438336100.pdf"
