component
BZT52C3V9
Public Made by Adomby adom
hongjiacheng Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+38@@ -0,0 +1,38 @@+# BZT52C3V9++**hongjiacheng** · Zener Diodes · SOD-123++BZT52C3V9 from hongjiacheng, 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 | Cathode | passive | Cathode terminal of the zener diode, identified by the band marking on the package body; conducts zener current in reverse bias at nominal voltage of 3.9 V and IZT of 5 mA. |+| 2 | Anode | passive | Anode terminal of the zener diode, serves as the common return path for the zener reference circuit. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | hongjiacheng |+| Package | SOD-123 |+| Category | Diodes |+| Pins | 2 |++## CAD (KiCad official)++- Symbol: `BZT52C3V9`+- Footprint: `Diode_SMD:D_SOD-123`+- 3D model: SOD-123 (KiCad packages3D, STEP)+- 3D model files: `bzt52c3v9-etched.step` / `bzt52c3v9-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzt52c3v9.step` / `bzt52c3v9.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [hongjiacheng datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8564879632630636544) (4 pp, sha256 `1e58426ecb363e87`, retrieved 2026-09-22, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/bzt52c3v9-datasheet.pdf)
page.jsonadded+107@@ -0,0 +1,107 @@+{+ "slug": "bzt52c3v9",+ "version": "0.1.0",+ "type": "component",+ "description": "hongjiacheng Zener Diodes, SOD-123. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "diodes",+ "bzt52c3v9",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bzt52c3v9.kicad_sym",+ "bzt52c3v9.kicad_mod",+ "bzt52c3v9.glb",+ "bzt52c3v9.step",+ "bzt52c3v9.lbr",+ "docs/hero.png",+ "docs/bzt52c3v9-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "BZT52C3V9",+ "manufacturer": "hongjiacheng",+ "package": "SOD-123",+ "pin_count": 2,+ "category": "Diodes",+ "subcategory": "Zener Diodes",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8564879632630636544",+ "parts": {+ "symbol": "bzt52c3v9.kicad_sym",+ "footprint": "bzt52c3v9.kicad_mod",+ "model_3d": "bzt52c3v9-etched.glb",+ "model_3d_plain": "bzt52c3v9.glb",+ "model_3d_step": "bzt52c3v9-etched.step",+ "model_3d_step_plain": "bzt52c3v9.step",+ "lbr": "bzt52c3v9.lbr"+ },+ "distributor_links": {+ "lcsc": "C19077398"+ },+ "pins": [+ {+ "number": "1",+ "name": "Cathode",+ "type": "passive",+ "description": "Cathode terminal of the zener diode, identified by the band marking on the package body; conducts zener current in reverse bias at nominal voltage of 3.9 V and IZT of 5 mA."+ },+ {+ "number": "2",+ "name": "Anode",+ "type": "passive",+ "description": "Anode terminal of the zener diode, serves as the common return path for the zener reference circuit."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The datasheet does not explicitly label pin numbers on the package outline or in the function diagra"+ ],+ "pages_sent": 4,+ "cost_usd": 0.1292,+ "at": "2026-09-22T05:59:11"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8564879632630636544",+ "pages": 4,+ "sha256": "1e58426ecb363e87",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 2,+ "described": 2,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}