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MMSZ5229BQ-7-F
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Diodes Incorporated Zener Diodes, SOD-123. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# MMSZ5229BQ-7-F++**Diodes Incorporated** · Zener Diodes · SOD-123++MMSZ5229BQ-7-F from Diodes Incorporated, in a SOD-123. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | K | passive | Cathode. Marked by the cathode band on the package. In Zener regulation, connects to the higher-potential rail (reverse-biased operation) with VZ(nom) = 4.3V. |+| 2 | A | passive | Anode. Opposite end from the cathode band. Forward voltage VF = 0.9V @ IF = 10mA. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | SOD-123 |+| Category | Diodes |+| Pins | 2 |++## Ordering variants++Same part, different packaging or reel option.++- `MMSZ5229BQ-7-F`+- `MMSZ5229BQ-7-F-13-F`+- `MMSZ5229BQ-7-FQ-13-F`++## CAD (KiCad official)++- Symbol: `MMSZ5229BQ-7-F`+- Footprint: `Diode_SMD:D_SOD-123`+- 3D model: SOD-123 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Diodes Incorporated datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602759148928835584) (None pp, sha256 `7c7ac7a58521db27`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/mmsz5229bq-7-f-datasheet.pdf)
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