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Initial commit: component/1812l300

Ray ·5c36b22e24 ·6d ago
2 files changed +142
README.mdadded+38
@@ -0,0 +1,38 @@+# 1812L300++**LUTE** · Resettable Fuses · 1812++1812L300 from LUTE, in a 1812. 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 | 1 | passive | One of two interchangeable, non-polarized terminals of the resettable PPTC fuse, placed on a 1.78±0.1 mm wide pad, in series with the protected circuit. |+| 2 | 2 | passive | Second interchangeable, non-polarized terminal of the resettable PPTC fuse, placed on a 1.78±0.1 mm wide pad on the 3.45±0.1 mm pad-layout span, in series with the protected circuit. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | LUTE |+| Package | 1812 |+| Category | Circuit Protection |+| Pins | 2 |++## CAD (KiCad official)++- Symbol: `1812L300`+- Footprint: `Resistor_SMD:R_1812_4532Metric`+- 3D model: 1812 (KiCad packages3D, STEP)+- 3D model files: `1812l300-etched.step` / `1812l300-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1812l300.step` / `1812l300.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [LUTE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590923776290996224) (11 pp, sha256 `139709b0621cd30a`, retrieved 2026-09-29, 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/1812l300-datasheet.pdf)
page.jsonadded+104
@@ -0,0 +1,104 @@+{+  "slug": "1812l300",+  "version": "0.1.0",+  "type": "component",+  "description": "LUTE Resettable Fuses, 1812. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "circuit protection",+    "1812l300",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "1812l300.kicad_sym",+    "1812l300.kicad_mod",+    "1812l300.glb",+    "1812l300.step",+    "1812l300.lbr",+    "docs/hero.png",+    "docs/1812l300-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "1812L300",+    "manufacturer": "LUTE",+    "package": "1812",+    "pin_count": 2,+    "category": "Circuit Protection",+    "subcategory": "Resettable Fuses",+    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590923776290996224",+    "parts": {+      "symbol": "1812l300.kicad_sym",+      "footprint": "1812l300.kicad_mod",+      "model_3d": "1812l300-etched.glb",+      "model_3d_plain": "1812l300.glb",+      "model_3d_step": "1812l300-etched.step",+      "model_3d_step_plain": "1812l300.step",+      "lbr": "1812l300.lbr"+    },+    "distributor_links": {+      "lcsc": "C20627123"+    },+    "distributor_check": {+      "checked_at": "2026-09-29T15:21:18Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": null,+        "status": "no match"+      },+      "mouser": {+        "pn": null,+        "status": "no match"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "1",+        "type": "passive",+        "description": "One of two interchangeable, non-polarized terminals of the resettable PPTC fuse, placed on a 1.78±0.1 mm wide pad, in series with the protected circuit."+      },+      {+        "number": "2",+        "name": "2",+        "type": "passive",+        "description": "Second interchangeable, non-polarized terminal of the resettable PPTC fuse, placed on a 1.78±0.1 mm wide pad on the 3.45±0.1 mm pad-layout span, in series with the protected circuit."+      }+    ],+    "provenance": {+      "extractor": "ds2sf",+      "datasheet": {+        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590923776290996224",+        "pages": 11,+        "sha256": "139709b0621cd30a",+        "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]"+  }+}\ No newline at end of file