mSMD350

{
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  "type": "component",
  "slug": "msmd350",
  "title": "mSMD350",
  "brief": "TECHFUSE Resettable Fuses, 1812. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "package": "1812",
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    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
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        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    "pins": [
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        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of an unpolarised fuse; either orientation."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of an unpolarised fuse; either orientation."
      }
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    "provenance": {
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      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "two-terminal convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.0016,
        "at": "2026-10-15T03:59:52"
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      "datasheet": {
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        "pages": 3,
        "sha256": "67b891cab3436150",
        "source_tier": "lcsc"
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      "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": [
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "03a3fcde64a5e3f9cba8a1400bc68cc273ad9256aeb5b7029b956b6c4edf5355",
        "checked": "2026-10-15",
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      {
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        "zmin_mm": 0.0,
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        "sha256": "b8287e237f26517023d0dbacfe4025b57fbfb1c723ae79a189f46cbeeb3c9be1",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "TECHFUSE",
      "Package": "1812",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "67b891cab343615027b260b18704905aa9ed3757198812d4e5ae9c094762a0c2",
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          "kind": "electrical",
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          "typ": 3.5,
          "max": null,
          "conditions": "25°C still air, maximum current device will not trip",
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        {
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          "symbol": "Itrip",
          "kind": "electrical",
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          "typ": null,
          "max": null,
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        {
          "name": "Minimum resistance prior to tripping (Rimin)",
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          "conditions": "@25°C, without damage at rated current (Imax)",
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        {
          "name": "Maximum fault current (Imax)",
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        {
          "name": "Power dissipation in tripped state (Pd)",
          "symbol": "Pd",
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        {
          "name": "Time to trip (Time column)",
          "symbol": "",
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          "typ": 4,
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          "conditions": "",
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        {
          "name": "Resistance change, passive aging",
          "symbol": "",
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        {
          "name": "Resistance change, humidity aging",
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          "symbol": "",
          "kind": "tolerance",
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          "source_page": 1,
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        },
        {
          "name": "Ambient operating temperature range",
          "symbol": "",
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          "unit": "°C",
          "min": -40,
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          "conditions": "ambient operating conditions",
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        },
        {
          "name": "Maximum surface temperature in tripped state",
          "symbol": "",
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          "unit": "°C",
          "min": null,
          "typ": null,
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          "name": "Hold current vs ambient temperature",
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          "name": "Hold current vs ambient temperature",
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        {
          "name": "Hold current vs ambient temperature",
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          "name": "Hold current vs ambient temperature",
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          "name": "Hold current vs ambient temperature",
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          "kind": "electrical",
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          "source_page": 1,
          "source": "datasheet"
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        {
          "name": "Hold current vs ambient temperature",
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          "unit": "A",
          "min": null,
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          "name": "Hold current vs ambient temperature",
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          "name": "Hold current vs ambient temperature",
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          "name": "Hold current vs ambient temperature",
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          "conditions": "Tmao = 85°C",
          "source_page": 1,
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        },
        {
          "name": "Storage temperature maximum",
          "symbol": "",
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          "unit": "°C",
          "min": null,
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          "conditions": "storage, 70% R.H. max",
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          "source": "datasheet"
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  "discovery_pitch": "mSMD350 (TECHFUSE) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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