component
0402ESDA-18N
Public Made by Adomby adom
BORN ESD And Surge Protection (TVS/ESD), 0402. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+38@@ -0,0 +1,38 @@+# 0402ESDA-18N++**BORN** · ESD And Surge Protection (TVS/ESD) · 0402++0402ESDA-18N from BORN, in a 0402. 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 | A | passive | Anode/cathode terminal A of bi-directional polymer ESD suppressor; working voltage 18 V, trigger voltage 100 V typ, clamping voltage 50 V typ (65 V typ / 100 V max per IEC 61000-4-2 Level 4), capacitance 1.5 pF typ / 3 pF max at 1 MHz, leakage <1 nA. |+| 2 | B | passive | Anode/cathode terminal B of bi-directional polymer ESD suppressor; electrically equivalent to pin 1 - device is fully symmetric with no polarity. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | BORN |+| Package | 0402 |+| Category | Circuit Protection |+| Pins | 2 |++## CAD (KiCad official)++- Symbol: `0402ESDA-18N`+- Footprint: `Resistor_SMD:R_0402_1005Metric`+- 3D model: 0402 (KiCad packages3D, STEP)+- 3D model files: `0402esda-18n-etched.step` / `0402esda-18n-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `0402esda-18n.step` / `0402esda-18n.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [BORN datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905607839145984) (3 pp, sha256 `06ccfe45c14e8fbe`, retrieved 2026-09-22, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-4-6` (text+vision), consensus `claude-opus-4-7` (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/0402esda-18n-datasheet.pdf)
page.jsonadded+108@@ -0,0 +1,108 @@+{+ "slug": "0402esda-18n",+ "version": "0.1.0",+ "type": "component",+ "description": "BORN ESD And Surge Protection (TVS/ESD), 0402. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "circuit protection",+ "0402esda-18n",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "0402esda-18n.kicad_sym",+ "0402esda-18n.kicad_mod",+ "0402esda-18n.glb",+ "0402esda-18n.step",+ "0402esda-18n.lbr",+ "docs/hero.png",+ "docs/0402esda-18n-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "0402ESDA-18N",+ "manufacturer": "BORN",+ "package": "0402",+ "pin_count": 2,+ "category": "Circuit Protection",+ "subcategory": "ESD And Surge Protection (TVS/ESD)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905607839145984",+ "parts": {+ "symbol": "0402esda-18n.kicad_sym",+ "footprint": "0402esda-18n.kicad_mod",+ "model_3d": "0402esda-18n-etched.glb",+ "model_3d_plain": "0402esda-18n.glb",+ "model_3d_step": "0402esda-18n-etched.step",+ "model_3d_step_plain": "0402esda-18n.step",+ "lbr": "0402esda-18n.lbr"+ },+ "distributor_links": {+ "lcsc": "C316050"+ },+ "pins": [+ {+ "number": "1",+ "name": "A",+ "type": "passive",+ "description": "Anode/cathode terminal A of bi-directional polymer ESD suppressor; working voltage 18 V, trigger voltage 100 V typ, clamping voltage 50 V typ (65 V typ / 100 V max per IEC 61000-4-2 Level 4), capacitance 1.5 pF typ / 3 pF max at 1 MHz, leakage <1 nA."+ },+ {+ "number": "2",+ "name": "B",+ "type": "passive",+ "description": "Anode/cathode terminal B of bi-directional polymer ESD suppressor; electrically equivalent to pin 1 - device is fully symmetric with no polarity."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-sonnet-4-6",+ "primary_mode": "text+vision",+ "consensus_model": "claude-opus-4-7",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: The package drawing on page 2 shows only dimensional labels (L, W, T, B) — no pad numbers '1' or '2'",+ "vision extraction: provenance cannot be text-verified; needs consensus"+ ],+ "pages_sent": 3,+ "cost_usd": 0.127,+ "at": "2026-09-22T12:01:31"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905607839145984",+ "pages": 3,+ "sha256": "06ccfe45c14e8fbe",+ "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]"+ }+}