component
ESDAXLC18-1BF4
Public Made by Adomby adom
STMicroelectronics ESD And Surge Protection (TVS/ESD), 0201. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+38@@ -0,0 +1,38 @@+# ESDAXLC18-1BF4++**STMicroelectronics** · ESD And Surge Protection (TVS/ESD) · 0201++ESDAXLC18-1BF4 from STMicroelectronics, in a 0201. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | Pin1 | passive | Bidirectional TVS line terminal, marked with the pin 1 bar; leakage specified pin 1 to pin 2 at VRM = 18 V (<1 typ, 30 nA max), line capacitance 0.3/0.45/0.6 pF at 0 V, 1 MHz. |+| 2 | Pin2 | passive | Second bidirectional TVS terminal, interchangeable with pin 1, protecting the RF/NFC line to ±10 kV contact and ±30 kV air IEC 61000-4-2 discharge. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | 0201 |+| Category | Circuit Protection |+| Pins | 2 |++## CAD (KiCad official)++- Symbol: `ESDAXLC18-1BF4`+- Footprint: `Diode_SMD:D_0201_0603Metric`+- 3D model: 0201, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.3 mm nominal _01005_ height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)+- 3D model files: `esdaxlc18-1bf4-etched.step` / `esdaxlc18-1bf4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esdaxlc18-1bf4.step` / `esdaxlc18-1bf4.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589794851878572032) (10 pp, sha256 `adae2ebf02727b4d`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/esdaxlc18-1bf4-datasheet.pdf)
page.jsonadded+166@@ -0,0 +1,166 @@+{+ "slug": "esdaxlc18-1bf4",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics ESD And Surge Protection (TVS/ESD), 0201. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "circuit protection",+ "esdaxlc18-1bf4",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "esdaxlc18-1bf4.kicad_sym",+ "esdaxlc18-1bf4.kicad_mod",+ "esdaxlc18-1bf4.glb",+ "esdaxlc18-1bf4.step",+ "esdaxlc18-1bf4.lbr",+ "docs/hero.png",+ "docs/esdaxlc18-1bf4-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "esdaxlc18-1bf4-hero.glb",+ "esdaxlc18-1bf4-hero.overlay.json"+ ],+ "component": {+ "mpn": "ESDAXLC18-1BF4",+ "manufacturer": "STMicroelectronics",+ "package": "0201",+ "pin_count": 2,+ "category": "Circuit Protection",+ "subcategory": "ESD And Surge Protection (TVS/ESD)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589794851878572032",+ "parts": {+ "symbol": "esdaxlc18-1bf4.kicad_sym",+ "footprint": "esdaxlc18-1bf4.kicad_mod",+ "model_3d": "esdaxlc18-1bf4-hero.glb",+ "model_3d_plain": "esdaxlc18-1bf4.glb",+ "model_3d_step": "esdaxlc18-1bf4-etched.step",+ "model_3d_step_plain": "esdaxlc18-1bf4.step",+ "lbr": "esdaxlc18-1bf4.lbr"+ },+ "distributor_links": {+ "lcsc": "C1982627",+ "digikey": "497-19273-2-ND",+ "mouser": "511-ESDAXLC18-1BF4"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:00:21Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-19273-2-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "511-ESDAXLC18-1BF4",+ "status": "found",+ "lifecycle": "End of Life"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "Pin1",+ "type": "passive",+ "description": "Bidirectional TVS line terminal, marked with the pin 1 bar; leakage specified pin 1 to pin 2 at VRM = 18 V (<1 typ, 30 nA max), line capacitance 0.3/0.45/0.6 pF at 0 V, 1 MHz."+ },+ {+ "number": "2",+ "name": "Pin2",+ "type": "passive",+ "description": "Second bidirectional TVS terminal, interchangeable with pin 1, protecting the RF/NFC line to ±10 kV contact and ±30 kV air IEC 61000-4-2 discharge."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-sonnet-5-5",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Datasheet gives only Pin1/Pin2 labels; no pin names. Symmetric bidirectional diode, so passive type ",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 10,+ "cost_usd": 0.1337,+ "at": "2026-10-08T19:59:51"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589794851878572032",+ "pages": 10,+ "sha256": "adae2ebf02727b4d",+ "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"+ },+ "models_3d": [+ {+ "file": "esdaxlc18-1bf4.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 0.62,+ 0.32,+ 0.3+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "be91ec7052a21b347b07893241d77cb9324853f681314b4251ced2122f82a6a7",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "esdaxlc18-1bf4-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 0.62,+ 0.32,+ 0.3+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "5dbb2d2235eed56d0454db662364000e367d972c492ba0a7383808a09b940794",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}