main
Ray Set visibility: public 63e9e46 5d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "blm18bb750sh1d",
  "title": "BLM18BB750SH1D",
  "brief": "Murata Electronics Ferrite Beads, 0603. 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",
    "filters",
    "blm18bb750sh1d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BLM18BB750SH1D",
    "manufacturer": "Murata Electronics",
    "package": "0603",
    "pin_count": 2,
    "category": "Filters",
    "subcategory": "Ferrite Beads",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588993949653979136",
    "parts": {
      "symbol": "blm18bb750sh1d.kicad_sym",
      "footprint": "blm18bb750sh1d.kicad_mod",
      "model_3d": "blm18bb750sh1d-hero.glb",
      "model_3d_plain": "blm18bb750sh1d-etched.glb",
      "model_3d_step": "blm18bb750sh1d-etched.step",
      "model_3d_step_plain": "blm18bb750sh1d.step",
      "lbr": "blm18bb750sh1d.lbr"
    },
    "distributor_links": {
      "lcsc": "C1235316",
      "digikey": "490-BLM18BB750SH1DTR-ND",
      "mouser": "81-BLM18BB750SH1D"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T21:23:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "490-BLM18BB750SH1DTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "81-BLM18BB750SH1D",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "One electrode terminal of the two-terminal ferrite bead (75 ohm typ. at 100MHz, 600mA rated current at 85C, 0.30 ohm max DC resistance); the part is non-polarized."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Other electrode terminal of the two-terminal ferrite bead, interchangeable with the first terminal; operating temperature -55C to +125C."
      }
    ],
    "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 shows a two-terminal chip with an equivalent circuit (inductor in series with resistor",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 10,
        "cost_usd": 0.234,
        "at": "2026-11-05T21:23:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588993949653979136",
        "pages": 10,
        "sha256": "83236cadbe089a97",
        "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": [
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        "file": "blm18bb750sh1d.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.6,
          0.8,
          0.8
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0136ad7160588d2f5dac8c85da84a35646db656b5bc54bbb873b6b548eedbb3",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "blm18bb750sh1d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          0.8,
          0.8
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a97c912e3d953d21de21cf5ce706b1d2d3a74f1211a2f21ccfa4efd30a67d6ed",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Murata Electronics",
      "Package": "0603",
      "Category": "Filters",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "83236cadbe089a972d21ca2af51ebd7ee8043744b54491f845f452a8e7b4c8b7",
      "rows": [
        {
          "name": "Impedance (at 100MHz)",
          "symbol": "|Z|",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "at 100MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Impedance tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rated Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Resistance (max.), first value",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Resistance (max.), second value",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "Top",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Impedance change after high temperature exposure",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "1000 h at 125°C, measured after 24 h at room temperature; BLM18_SH",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Impedance change after temperature cycling",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "1000 cycles, -55°C to +125°C, measured after 24 h at room temperature; BLM18_SH",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reflow soldering limit profile, peak temperature",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "limit profile, 10 s",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Flow soldering limit profile, temperature",
          "symbol": "",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 265,
          "max": null,
          "conditions": "limit profile, ±3 °C as printed, 5 s max",
          "source_page": 8,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "blm18bb750sh1d"
  ],
  "discovery_pitch": "BLM18BB750SH1D (Murata Electronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "files": [
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    "viewers/footprint.html",
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    "blm18bb750sh1d-hero.overlay.json",
    "blm18bb750sh1d-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}