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Ray Set visibility: public 4eb6b0f 3h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mf-msmf150",
  "title": "MF-MSMF150",
  "brief": "BOURNS Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "circuit protection",
    "mf-msmf150",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MF-MSMF150",
    "manufacturer": "BOURNS",
    "package": "1812",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884586343878656",
    "parts": {
      "symbol": "mf-msmf150.kicad_sym",
      "footprint": "mf-msmf150.kicad_mod",
      "model_3d": "mf-msmf150-hero.glb",
      "model_3d_plain": "mf-msmf150-etched.glb",
      "model_3d_step": "mf-msmf150-etched.step",
      "model_3d_step_plain": "mf-msmf150.step",
      "lbr": "mf-msmf150.lbr"
    },
    "distributor_links": {
      "lcsc": "C78695"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:07:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "One of two interchangeable, non-polarized terminals (Ni/Au pad) of the PTC resettable fuse; Ihold 1.50 A, Itrip 3.00 A at 23 °C, Vmax 6.0 V, Imax 100 A."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second interchangeable, non-polarized terminal (Ni/Au pad) of the PTC resettable fuse; recommended pad 1.5 ± 0.05 mm wide with 2.7 ± 0.1 mm gap and 3.2 ± 0.1 mm length."
      }
    ],
    "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: The datasheet drawing shows two unnumbered terminal pads with no pin numbers or names printed. Pin n; MF-MSMF150 uses Style 1 per the dimension table (A 4.37-4.73 mm, B 3.07-3.41 mm). The recommended pa",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.1963,
        "at": "2026-10-17T15:05:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884586343878656",
        "pages": 5,
        "sha256": "e0cfbb785a81edd0",
        "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": "mf-msmf150.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.52,
          3.22,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ef4438cbd0551ffdf4611ca8ebedba122383c630310c09265361f248cbece042",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mf-msmf150-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.52,
          3.22,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ce8292f59f590ed26a16e649e7a982adf7015e9ab59630b6707b4db43778492a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BOURNS",
      "Package": "1812",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "appearance": {
      "contacts": {
        "quote": "Terminal material: Electroless Ni under immersion Au",
        "page": 3,
        "doc": "ds.pdf",
        "plating": "gold"
      },
      "version": 1,
      "datasheet_sha256": "e0cfbb785a81edd0d8e9a2021d3ab8b571e899fb677af8e1f4309e6ae7322f5e"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e0cfbb785a81edd0d8e9a2021d3ab8b571e899fb677af8e1f4309e6ae7322f5e",
      "rows": [
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Environmental characteristics",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Resistance, minimum (before trip)",
          "symbol": "Rmin",
          "kind": "electrical",
          "unit": "Ohms",
          "min": 0.03,
          "typ": null,
          "max": null,
          "conditions": "In still air @ 23 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Resistance, maximum (R1max)",
          "symbol": "R1max",
          "kind": "electrical",
          "unit": "Ohms",
          "min": null,
          "typ": null,
          "max": 0.12,
          "conditions": "In still air @ 23 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Time to trip, maximum",
          "symbol": "",
          "kind": "timing",
          "unit": "Seconds",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "At specified current, Vmax, 23 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Max. voltage (Vmax)",
          "symbol": "Vmax",
          "kind": "electrical",
          "unit": "Volts",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Max. interrupt current (Imax)",
          "symbol": "Imax",
          "kind": "electrical",
          "unit": "Amperes",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Passive aging resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "+85 °C, 1000 hours; typical resistance change",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Humidity aging resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "+85 °C, 85 % R.H. 1000 hours; typical resistance change",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal shock resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "+85 °C to -40 °C, 20 times; typical resistance change",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Reflow peak temperature (TP)",
          "symbol": "TP",
          "kind": "thermal",
          "unit": "°C",
          "min": 245,
          "typ": null,
          "max": 250,
          "conditions": "Solder reflow profile, peak temperature 250 °C +0/-5 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Tripped power dissipation",
          "symbol": "",
          "kind": "electrical",
          "unit": "Watts",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "at 23 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "",
          "kind": "electrical",
          "unit": "Watts",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "at 23 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Hold current",
          "symbol": "Ihold",
          "kind": "electrical",
          "unit": "Amperes",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "at 23 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Trip current",
          "symbol": "Itrip",
          "kind": "electrical",
          "unit": "Amperes",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "at 23 °C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating vs ambient -40 °C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "Amperes",
          "min": null,
          "typ": 2.17,
          "max": null,
          "conditions": "Thermal derating chart, ambient -40 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating vs ambient -20 °C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "Amperes",
          "min": null,
          "typ": 1.95,
          "max": null,
          "conditions": "Thermal derating chart, ambient -20 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating vs ambient 0 °C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "Amperes",
          "min": null,
          "typ": 1.72,
          "max": null,
          "conditions": "Thermal derating chart, ambient 0 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating vs ambient 23 °C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "Amperes",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "Thermal derating chart, ambient 23 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating vs ambient 40 °C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "Amperes",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "Thermal derating chart, ambient 40 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating vs ambient 50 °C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "Amperes",
          "min": null,
          "typ": 1.18,
          "max": null,
          "conditions": "Thermal derating chart, ambient 50 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating vs ambient 60 °C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "Amperes",
          "min": null,
          "typ": 1.09,
          "max": null,
          "conditions": "Thermal derating chart, ambient 60 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating vs ambient 70 °C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "Amperes",
          "min": null,
          "typ": 0.97,
          "max": null,
          "conditions": "Thermal derating chart, ambient 70 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating vs ambient 85 °C",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "Amperes",
          "min": null,
          "typ": 0.82,
          "max": null,
          "conditions": "Thermal derating chart, ambient 85 °C",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mf-msmf150"
  ],
  "discovery_pitch": "MF-MSMF150 (BOURNS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mf-msmf150.kicad_sym",
    "mf-msmf150.kicad_mod",
    "mf-msmf150.glb",
    "mf-msmf150.step",
    "mf-msmf150.lbr",
    "docs/hero.png",
    "docs/mf-msmf150-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mf-msmf150-hero.glb",
    "mf-msmf150-hero.overlay.json",
    "mf-msmf150-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}