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Ray Set visibility: public 5acc2f5 17d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "bsmd1206l-450",
  "title": "BSMD1206L-450",
  "brief": "BHFUSE Resettable Fuses, 1206. 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",
    "bsmd1206l-450",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BSMD1206L-450",
    "manufacturer": "BHFUSE",
    "package": "1206",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8619247442572054528",
    "parts": {
      "symbol": "bsmd1206l-450.kicad_sym",
      "footprint": "bsmd1206l-450.kicad_mod",
      "model_3d": "bsmd1206l-450-hero.glb",
      "model_3d_plain": "bsmd1206l-450-etched.glb",
      "model_3d_step": "bsmd1206l-450-etched.step",
      "model_3d_step_plain": "bsmd1206l-450.step",
      "lbr": "bsmd1206l-450.lbr"
    },
    "distributor_links": {
      "lcsc": "C2149459"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T02:50:10Z",
      "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 terminal of the non-polarized PTC; BSMD1206L-450 is rated Ihold 4.50 A, Itrip 9.00 A, Vmax 6.0 Vdc and Imax 50 A, and mounts on a 1.00 x 1.80 mm pad (FIG 1 body, 3.45 x 1.80 x 1.00 mm max)."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Other terminal of the non-polarized PTC; BSMD1206L-450 is rated Ihold 4.50 A, Itrip 9.00 A, Vmax 6.0 Vdc and Imax 50 A, and mounts on a 1.00 x 1.80 mm pad with 1.80 mm pad spacing."
      }
    ],
    "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 BSMD1206L-450 is a two-terminal resettable PTC fuse. The package drawing (FIG 1, page 5) shows t",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1613,
        "at": "2026-10-17T02:49:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8619247442572054528",
        "pages": 7,
        "sha256": "786f5f45bdc33acf",
        "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": "bsmd1206l-450.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.2,
          1.6,
          0.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5e6dcbe286696143d35a8ea37d91eef4b54ff3d1bd7c2c2b4dedda83d3f8e203",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bsmd1206l-450-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.2,
          1.6,
          0.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b495a5dda64f0ca860da88f75d825e3661a32482e199bdb231264784825d6e29",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BHFUSE",
      "Package": "1206",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "786f5f45bdc33acfff08c6ea349cfcfa3a584eaa513ca5f34163d7902ba4cfa7",
      "rows": [
        {
          "name": "Hold current (Ihold)",
          "symbol": "Ihold",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "25℃ still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Trip current (Itrip)",
          "symbol": "Itrip",
          "kind": "electrical",
          "unit": "A",
          "min": 9,
          "typ": null,
          "max": null,
          "conditions": "25℃ still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum voltage (Vmax)",
          "symbol": "Vmax",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "at rated current (Imax)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum fault current (Imax)",
          "symbol": "Imax",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "at rated voltage (Vmax)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Typical power dissipated in tripped state (Pd typ.)",
          "symbol": "Pd",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "tripped state, 25℃ still air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Time to trip current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 22.5,
          "max": null,
          "conditions": "paired with 5.0 s trip time",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Time to trip",
          "symbol": "",
          "kind": "electrical",
          "unit": "Sec",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "paired with 22.5 A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum resistance (Rmin)",
          "symbol": "Rmin",
          "kind": "electrical",
          "unit": "Ω",
          "min": 0.002,
          "typ": null,
          "max": null,
          "conditions": "initial (un-soldered) state",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum resistance (R1max)",
          "symbol": "R1max",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.011,
          "conditions": "25℃, measured one hour after tripping or reflow soldering at 260℃ for 20 sec",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current vs ambient temperature",
          "symbol": "Ihold",
          "kind": "temperature_coefficient",
          "unit": "A",
          "min": null,
          "typ": 5.35,
          "max": null,
          "conditions": "ambient -40℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hold current vs ambient temperature",
          "symbol": "Ihold",
          "kind": "temperature_coefficient",
          "unit": "A",
          "min": null,
          "typ": 5.12,
          "max": null,
          "conditions": "ambient -20℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hold current vs ambient temperature",
          "symbol": "Ihold",
          "kind": "temperature_coefficient",
          "unit": "A",
          "min": null,
          "typ": 4.87,
          "max": null,
          "conditions": "ambient 0℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hold current vs ambient temperature",
          "symbol": "Ihold",
          "kind": "temperature_coefficient",
          "unit": "A",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "ambient 25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hold current vs ambient temperature",
          "symbol": "Ihold",
          "kind": "temperature_coefficient",
          "unit": "A",
          "min": null,
          "typ": 4.2,
          "max": null,
          "conditions": "ambient 40℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hold current vs ambient temperature",
          "symbol": "Ihold",
          "kind": "temperature_coefficient",
          "unit": "A",
          "min": null,
          "typ": 3.65,
          "max": null,
          "conditions": "ambient 50℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hold current vs ambient temperature",
          "symbol": "Ihold",
          "kind": "temperature_coefficient",
          "unit": "A",
          "min": null,
          "typ": 3.3,
          "max": null,
          "conditions": "ambient 60℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hold current vs ambient temperature",
          "symbol": "Ihold",
          "kind": "temperature_coefficient",
          "unit": "A",
          "min": null,
          "typ": 2.85,
          "max": null,
          "conditions": "ambient 70℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Hold current vs ambient temperature",
          "symbol": "Ihold",
          "kind": "temperature_coefficient",
          "unit": "A",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "ambient 85℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ambient operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "ambient operating conditions",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum surface temperature in tripped state",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "device in tripped state",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Preheat temperature (Tsmin to Tsmax)",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
          "min": 150,
          "typ": null,
          "max": 200,
          "conditions": "Pb-free reflow, preheat",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Preheat time (Tsmin to Tsmax)",
          "symbol": "",
          "kind": "timing",
          "unit": "seconds",
          "min": 60,
          "typ": null,
          "max": 180,
          "conditions": "Pb-free reflow, preheat",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Time maintained above TL",
          "symbol": "tL",
          "kind": "timing",
          "unit": "seconds",
          "min": 60,
          "typ": null,
          "max": 150,
          "conditions": "above TL = 217℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Liquidus temperature TL",
          "symbol": "TL",
          "kind": "thermal",
          "unit": "℃",
          "min": 217,
          "typ": null,
          "max": null,
          "conditions": "time maintained above TL",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Peak temperature",
          "symbol": "Tp",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Pb-free assembly reflow",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Average ramp-up rate (Tsmax to Tp)",
          "symbol": "",
          "kind": "timing",
          "unit": "℃/second",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Pb-free assembly reflow",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ramp-down rate",
          "symbol": "",
          "kind": "timing",
          "unit": "℃/second",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Pb-free assembly reflow",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Time from 25℃ to peak temperature",
          "symbol": "",
          "kind": "timing",
          "unit": "minutes",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "Pb-free assembly reflow",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": 0,
          "typ": null,
          "max": 30,
          "conditions": "storage at 30%-60%RH",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bsmd1206l-450"
  ],
  "discovery_pitch": "BSMD1206L-450 (BHFUSE) 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",
    "bsmd1206l-450.kicad_sym",
    "bsmd1206l-450.kicad_mod",
    "bsmd1206l-450.glb",
    "bsmd1206l-450.step",
    "bsmd1206l-450.lbr",
    "docs/hero.png",
    "docs/bsmd1206l-450-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bsmd1206l-450-hero.glb",
    "bsmd1206l-450-hero.overlay.json",
    "bsmd1206l-450-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}